Comtech EF Data SDM-650B Especificações

Part Number MN/SDM300L3.IOM Revision 0 SDM-300L3Satellite ModemInstallation and Operation Manual

Filename: T_ERRATA 2 T X I F O U T P U T O F F T X F A U L T L E D T X F A U L T R E L A Y R X F A U L T L E D R X

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–4 4.4 Menu System Note: The menus show features and options that are n

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–5 Press [↑] or [↓] to change the parameters. After the display represe

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–6 4.5 Menu Tree SELECT (4.6)CONFIGURATIONMONITORFAULTS/ALARMSSTORED F

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–7 4.6 OPENING SCREEN This screen is displayed whenever power is first

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–8 4.6.1.1 FUNCTION SELECT: CONFIGURATION: MODULATOR CONFIGURATION MOD

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–9 To change the rate using the variable rate selection, press <ENTE

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–10 FUNCTION SELECT: CONFIGURATION: MODULATOR: TX-IF FREQUENCY (CONDIT

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–11 FUNCTION SELECT: CONFIGURATION: MODULATOR: TX-IF OUTPUT TX-IF

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–12 FUNCTION SELECT: CONFIGURATION: MODULATOR: SCRAMBLER SCRAMBLER ON

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–13 FUNCTION SELECT: CONFIGURATION: MODULATOR: CARRIER MODE CARRIER

Filename: T_ERRATA 1 Errata E Comtech EF Data Documentation Update Subject: Changed reference specified in Output Phase Noise Date: December 1, 2

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–14 FUNCTION SELECT: CONFIGURATION: MODULATOR: FSK OUTPUT FSK OUTPUT

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–15 FUNCTION SELECT: CONFIGURATION: MODULATOR: ODU OUTPUT DELAY OD

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–16 FUNCTION SELECT: CONFIGURATION: MODULATOR: RS ENCODER (CONDITIO

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–17 RX-C QPSK 1/2 256.000 Kbps RX-D QPSK 1/2 512.000 Kbps

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–18 Notes: 1. Max Symbol Rate = 2500 ksps 2. Max Data Rate for Low

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–19 FUNCTION SELECT:CONFIGURATION:DEMODULATOR: DESCRAMBLER DESCRAMBLE

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–20 FUNCTION SELECT: CONFIGURATION: DEMODULATOR: RF LOOP BACK RF L

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–21 FUNCTION SELECT: CONFIGURATION: DEMODULATOR: IF LOOP BACK IF L

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–22 FUNCTION SELECT: CONFIGURATION: DEMODULATOR: BER THRESHOLD BER THR

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–23 FUNCTION SELECT: CONFIGURATION: DEMODULATOR: SWEEP RANGE SWEEP

Filename: T_ERRATA 2 Table 15-1. L-Band Modulator Transmit Specifications Output Connector Type N Female Frequency Stability ± 0.02 ppm Optional

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–24 FUNCTION SELECT: CONFIGURATION: DEMODULATOR: LNB POWER LNB POW

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–25 FUNCTION SELECT: CONFIGURATION: DEMODULATOR: RS DECODER RS DECODER

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–26 4.6.1.3 FUNCTION SELECT: CONFIGURATION INTERFACE CONFIGURATION I

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–27 FUNCTION SELECT: CONFIGURATION: INTERFACE: TX CLOCK PHASE TX CLOC

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–28 FUNCTION SELECT: CONFIGURATION: INTERFACE: BUFFER CLOCK BUFFER CLO

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–29 FUNCTION SELECT: CONFIGURATION: INTERFACE: B-BAND LOOP BACK B-BAND

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–30 FUNCTION SELECT: CONFIGURATION: INTERFACE: INTRFC LOOP BACK (CONDIT

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–31 FUNCTION SELECT: CONFIGURATION: INTERFACE: BUFFER SIZE (CONDITIONA

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–32 FUNCTION SELECT: CONFIGURATION: INTERFACE: BUFFER CENTER BUFFER CE

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–33 Upon entry, the current TX data fault that is being monitored is di

s:\tpubs\manuals\released_word\modems\sdm300l3_rev0\erratas\errata f.doc 1 Errata F Comtech EF Data Documentation Update Subject: Changes to power c

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–34 FUNCTION SELECT: CONFIGURATION: INTERFACE: RX 2047 PATTERN (CONDITI

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–35 FUNCTION SELECT: CONFIGURATION: INTERFACE: RX CODING FORMAT

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–36 CHANNEL: TX-1 LEVEL = -5 dBm CHANNEL: TX-2 LEVEL = -5 dBm

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–37 FUNCTION SELECT: CONFIGURATION:INTERFACE: DROP FORMAT (CONDITIONAL)

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–38 FUNCTION SELECT: CONFIGURATION: INTERFACE: INSERT FORMAT (CON

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–39 FUNCTION SELECT: CONFIGURATION: INTERFACE: DROP CHANNEL ASSIG

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–40 FUNCTION SELECT: CONFIGURATION: INTERFACE: INSERT CHANNEL ADJ

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–41 FUNCTION SELECT: CONFIGURATION: INTERFACE: ASYNC TX BAUD (C

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–42 FUNCTION SELECT: CONFIGURATION: INTERFACE: ASYNC TX LENGTH

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–43 FUNCTION SELECT: CONFIGURATION: INTERFACE: ASYNC TX STOP (C

s:\tpubs\manuals\released_word\modems\sdm300l3_rev0\erratas\errata f.doc 2 3.2.10 AC Power Connector A standard, detachable, non-locking, 3-prong p

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–44 FUNCTION SELECT: CONFIGURATION: INTERFACE: ASYNC TX PARITY

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–45 4.6.1.4 FUNCTION SELECT: CONFIGURATION: LOCAL AUPC (CONDITION

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–46 FUNCTION SELECT: CONFIGURATION: LOCAL AUPC: NOMINAL POWER (CONDITIO

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–47 FUNCTION SELECT: CONFIGURATION: LOCAL AUPC: MAXIMUM POWER (CONDITIO

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–48 FUNCTION SELECT: CONFIGURATION: LOCAL AUPC: TRACKING RATE (CONDITIO

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–49 FUNCTION SELECT:CONFIGURATION:LOCAL AUPC: REMOTE CL ACTION (CONDITI

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–50 4.6.1.5 FUNCTION SELECT: CONFIGURATION: SAVE CONFIGURATION SAVE

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–51 4.6.2 FUNCTION SELECT: MONITOR FUNCTION SELECT MONITOR Press &

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–52 FUNCTION SELECT: MONITOR:EB/NO EB/NO 16.0 dB Displays the cur

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–53 FUNCTION SELECT: MONITOR: BUFFER FILL BUFFER FILL 50% Dis

s:\tpubs\manuals\released_word\modems\sdm300l3_rev0\erratas\errata g.doc 1 Errata G Comtech EF Data Documentation Update Subject: Changes baud rates

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–54 FUNCTION SELECT: MONITOR: LNB CURRENT LNB CURRENT XXX mA Mon

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–55 FUNCTION SELECT: MONITOR: ODU VOLTAGE ODU VOLTAGE XX.X VOLTS

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–56 FUNCTION SELECT: MONITOR: ODU TEMPERATURE (CONDITIONAL) ODU

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–57 FUNCTION SELECT: MONITOR: ODU SOFTWARE (CONDITIONAL) ODU

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–58 FUNCTION SELECT: MONITOR: RX L-BAND FREQ (CONDITIONAL) RX L-Band

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–59 FUNCTION SELECT: FAULTS/ALARMS: MODULATOR MODULATOR ------

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–60 FUNCTION SELECT: FAULTS/ALARMS: TX INTERFACE TX INTERFACE ------

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–61 FUNCTION SELECT: FAULTS/ALARMS: RX INTERFACE RX INTERFACE ------

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–62 FUNCTION SELECT: FAULTS/ALRMS: COMMON COMMON -------

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–63 FUNCTION SELECT: FAULTS/ALARMS: OUTDOOR UNIT OUTDOOR UNIT ---

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–64 4.6.4 FUNCTION SELECT: STORED FLTS/ALMS FUNCTION SELECT STORED

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–65 FUNCTION SELECT: STORED FLTS/ALMS: MODULATOR MODULATOR X ST

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–66 FUNCTION SELECT:STORED FLTS/ALMS:TX INTERFACE TX INTERFACE

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–67 FUNCTION SELECT: STORED FLTS/ALMS: COMMON COMMON X STORED T

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–68 FUNCTION SELECT: STORED FLTS/ALMS: OUTDOOR UNIT OUTDOOR UNI

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–69 4.6.5 FUNCTION SELECT: REMOTE AUPC (CONDITIONAL) FUNCTION SELECT

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–70 FUNCTION SELECT: REMOTE AUPC: CONFIGURATION: AUPC ENABLE (CONDI

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–71 FUNCTION SELECT: REMOTE AUPC: CONFIGURATION: TX 2047 PATTERN

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–72 FUNCTION SELECT: REMOTE AUPC: CONFIGURATION: REMOTE AUPC: MONIT

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–73 4.6.6 FUNCTION SELECT: UTILITY FUNCTION SELECT UTILITY The

s:\tpubs\manuals\released_word\modems\sdm300l3_rev0\erratas\errata h.doc 1 Errata H Comtech EF Data Documentation Update Subject: Add Burst Modulato

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–74 4.6.6.2 FUNCTION SELECT: UTILITY: MODULATOR UTILITY MODULATOR

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–75 Select one of four (A, B, C, or D) pre-defined transmitter code/dat

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–76 FUNCTION SELECT: UTILITY: MODULATOR: TX TERMINAL LO TX TERMINA

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–77 FUNCTION SELECT: UTILITY: MODULATOR: MOD POWER OFFSET MOD P

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–78 FUNCTION SELECT: UTILITY: MODULATOR: ENCODER TYPE ENCODER TY

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–79 FUNCTION SELECT: UTILITY: MODULATOR: TX BPSK ORDERING TX B

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–80 FUNCTION SELECT: UTILITY:MODULATOR: TX IESS-310 MODE (CONDI

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–81 FUNCTION SELECT: UTILITY: MODULATOR: ODU ALARM - HIGH O

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–82 FUNCTION SELECT: UTILITY: MODULATOR: TX SYMBOL RATE TX SYMBOL R

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–83 FUNCTION SELECT:UTILITY:DEMODULATOR: ASSIGN RECEIVE FILTERS No

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–84 Select one of four (A, B, C, or D) pre-defined receiver code/

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–85 RX TERMINAL LO O MHz MIX: - Valid selections entered into t

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–86 FUNCTION SELECT: UTILITY: DEMODULATOR: DEMODULATOR TYPE (COND

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–87 FUNCTION SELECT: UTILITY: DEMODULATOR: DESCRAMBLER TYPE DESC

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–88 FUNCTION SELECT: UTILITY: DEMODULATOR: DEMOD SPECTRUM DEMOD

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–89 FUNCTION SELECT: UTILITY: DEMODULATOR: LNB ALARM - LOW LNB A

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–90 4.6.6.4 FUNCTION SELECT: UTILITY: INTERFACE UTILITY INTERFACE

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–91 FUNCTION SELECT: UTILITY: INTERFACE: TX TERR INTERFACE (COND

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–92 FUNCTION SELECT: UTILITY: INTERFACE: BUFFER PROGRAM BUFFER PROG

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–93 FUNCTION SELECT: UTILITY: INTERFACE: FRAMING STRUCTURE: INTERFACE

s:\tpubs\manuals\released_word\modems\sdm300l3_rev0\erratas\errata j.doc 1 Errata J Comtech EF Data Documentation Update Subject: Added Burst Mode R

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–94 FUNCTION SELECT: UTILITY: INTERFACE: TX DATA PHASE TX DATA PHA

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–95 FUNCTION SELECT:UTILITY:INTEFACE: IDR BACKWARD ALARM CONTROL (C

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–96 FUNCTION SELECT: UTILITY: INTERFACE: ASYNC TX TYPE (CONDITIONA

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–97 FUNCTION SELECT: UTILITY: INTERFACE: IDR RX ESC TYPE (CONDITIO

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–98 FUNCTION SELECT: UTILITY: INTERFACE: IBS RX ESC TYPE (CONDIT

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–99 4.6.6.5 FUNCTION SELECT: UTILITY: OUTDOOR UNIT (CONDITIONAL) U

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–100 FUNCTION SELECT: UTILITY: OUTDOOR UNIT: ODU OUTPUT POWER

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–101 4.6.6.6 FUNCTION SELECT: UTILITY:SYSTEM UTILITY SYSTEM Sel

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–102 FUNCTION SELECT: UTILITY: SYSTEM: REMOTE ADDRESS REMOTE ADDR

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–103 FUNCTION SELECT: UTILITY: SYSTEM: YEAR DISPLAY YEAR DISPLAY

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–104 FUNCTION SELECT: UTILITY: SYSTEM: SELF TEST SELF TEST OFF Se

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–105 FUNCTION SELECT: UTILITY: SYSTEM: BOOT FIRMWARE BOOT FIRMWAR

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–106 Note: This menu is displayed only when the Turbo option is insta

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–107 FUNCTION SELECT: UTILITY: SYSTEM: MASTER RESET MASTER RESET

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–108 4.6.6.7 FUNCTION SELECT: UTILITY: MODEM TYPE UTILITY

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–109 • If the modem will not allow the modem type selection, that type

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–110 FUNCTION SELECT: UTILITY: MODEM TYPE: CARD #1 TYPE CARD #1 T

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–111 FUNCTION SELECT: UTILITY: MODEM TYPE: CARD #3 TYPE CARD #3 T

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–112 FUNCTION SELECT: UTILITY: MODEM TYPE: CARD #2 OPTIONS (COND

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–113 FUNCTION SELECT: UTILITY: MODEM TYPE: LOCAL MODEM AUPC LO

s:\tpubs\manuals\released_word\modems\sdm300l3_rev0\erratas\errata k.doc 1 Errata K Comtech EF Data Documentation Update Subject: Added Burst Mode R

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–114 FUNCTION SELECT: UTILITY: MODEM TYPE: CARD #1 SERIAL #

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–115 FUNCTION SELECT: UTILITY: MODEM TYPE: CONFIGURATION CODE - M

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–116 On entry, the current configuration code is displayed with the fla

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–117 FUNCTION SELECT: MODEM TYPE: CONFIGURATION CODE – CARD #3 (C

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–118 4.7 SDM-300L Custom Modem Defaults Refer to Table 4-2 for custom

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–119 Table 4-2. SDM-300L Custom Modem Defaults (Continued) Function S

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–120 Table 4-2. SDM-300L Custom Modem Defaults (Continued) Utility Int

5–1 Chapter 5. MODEM TYPE This section provides additional detail about the Modem Type setting located under the Function Select: Utility: Modem Typ

SDM-300L3 Satellite Modem Revision 0 Modem Types MN/SDM300L3.IOM 5–2 5.2 IDR Operation To operate the modem in the IDR configuration, the followi

SDM-300L3 Satellite Modem Revision 0 Modem Types MN/SDM300L3.IOM 5–3 5.3 IBS Operation To operate the modem in the IBS configuration, the following

SDM-300L3 Satellite Modem Revision 0 Modem Types MN/SDM300L3.IOM 5–4 5.4 D&I Operation To operate the modem in the Drop & Insert configurat

SDM-300L3 Satellite Modem Revision 0 Modem Types MN/SDM300L3.IOM 5–5 5.5 ASYNC/AUPC Operation To operate in the Asynchronous/AUPC configuration, th

SDM-300L3 Satellite Modem Revision 0 Modem Types MN/SDM300L3.IOM 5–6 5.5.1 AUPC Operation (with Reed-Solomon) AUPC only operation between two mode

SDM-300L3 Satellite Modem Revision 0 Modem Types MN/SDM300L3.IOM 5–7 TABLE 5-7. EFD CLOSED NETWORK PARAMETER SETTINGS Parameter Front Panel Setti

SDM-300L3 Satellite Modem Revision 0 Modem Types MN/SDM300L3.IOM 5–8 5.7 Custom Operation Note: If the modem serves as the backup unit for a rack o

SDM-300L3 Satellite Modem Revision 0 Modem Types MN/SDM300L3.IOM 5–9 5.8 Reed-Solomon Modes Reed-Solomon polynomial is compatible with Intelsat (IE

SDM-300L3 Satellite Modem Revision 0 Modem Types MN/SDM300L3.IOM 5–10 Notes: 1. For IESS-308/309 compliant operation, it is necessary to enable I

6–1 Chapter 6. CLOCKING AND RX BUFFERING SETTINGS 6.1 Clocking Options Clocking of the data from the terrestrial equipment to the satellite (and vic

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–2 The use of loop timing in the modem is an option for both EIA-422 and V.3

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–3 The disadvantage of the master/slave application is that the signal recei

s:\tpubs\manuals\released_word\modems\sdm300l3_rev0\erratas\errata l.doc 1 Errata L Comtech EF Data Documentation Update Subject: Updated Firmware N

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–4 TXCLOCK = TX TERRESTRIALTXCLOCK = TX TERRESTRIALTRANSMITTRANSMITINTERNALO

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–5 TXCLOCK = TX TERRESTRIALSLAVETXCLOCK = TX TERRESTRIALTRANSMITTRANSMITINTE

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–6 MASTERTX CLOCK = TX TERRESTRIALCLOCKRECOVERYTXCLOCK + TX TERRESTRIALDATAC

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–7 TXCLOCK + TX TERRESTRIALTX CLOCK = TX TERRESTRIALTRANSMITTXTERRESTRIALTRA

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–8 CLOCKRECOVERYCLOCKRECOVERYCLOCKRECOVERYTXCLOCK = TX TERRESTRIALTXCLOCK =

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–9 6.3 Buffering The purpose of a receive buffer is two reasons: • Plesioc

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–10 BIT 1BIT 2BIT 3BIT 4BIT 5BIT 6BIT 7BIT 1BIT 2BIT 3BIT 5BIT 6BIT 7ERRORI

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–11 SATELLITEMOTIONANDORBITALINCLINATIONSATELLITENOMINALPOSITIONNSGEO-SYNCH

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–12 6.3.1 Buffer Size The depth of the receive buffer will depend on four pa

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–13 6.5 Plesiochronous The stability of station reference clocks is normally

SDM-300L3 Satellite Modem Revision 0 Clocking Options MN/SDM300L3.IOM 6–14 6.6 Frame/Multiframe Length The depth of the receive buffer required is

7–1 CHAPTER 7. FEC AND TURBO 7.1 Introduction The SDM-300L3 is equipped with several Forward Error Correction (FEC) encoders and decoders: • Vite

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–2 7.2 Coding The SDM-300L3 can have any of the following c

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–3 7.3.2 Mod/Demod Processing Delay In many cases, FEC metho

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–4 7.3.3 Comparison of all TPC Modes Note: For additional da

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–5 7.4 Uncoded Operation (No FEC) There are occasions wher

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–6 CAUTION Comtech EF Data strongly cautions users when using

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–7 Figure 7-1. Viterbi Decoder BPSK/OQPSK Viterbi Decoding1

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–8 Figure 7-2. Viterbi Decoder and Reed-Solomon BPSK/OQP

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–9 Figure 7-3. BPSK and (O)QPSK BER Performance UNCODED 1

s:\tpubs\manuals\released_word\modems\sdm300l3_rev0\erratas\errata m.doc 1 Errata M Comtech EF Data Documentation Update Subject: Add Burst Mode Req

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–10 Figure 7-4. Turbo Product Codec BPSK/QPSK/8PSK Turbo Pr

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–11 Figure 7-5. Sequential Decoder, Reed-Solomon, and 1544

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–12 Figure 7-6. Sequential Decoder and 56 kbps BPSK/OQPSK

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–13 Figure 7-7. Sequential Decoder and 1544 kbps BPSK/QPSK

SDM-300L3 Satellite Modem Revision 0 Forward Error Correction Options MN/SDM300L3.IOM 7–14 This page is intentionally left blan

8–1 Chapter 8. SYSTEM CHECKOUT 8.1 System Checkout CAUTION This equipment contains parts and assemblies sensitive to damage by ESD. Use ESD precautio

SDM-300L3 Satellite Modem Revision 0 System Checkout MN/SDM300L3.IOM 8–2 8.1.1 Interface Checkout Use the following procedure and the test setup i

SDM-300L3 Satellite Modem Revision 0 System Checkout MN/SDM300L3.IOM 8–3 8.1.2 Modulator Checkout Use the following procedure to check out the m

SDM-300L3 Satellite Modem Revision 0 System Checkout MN/SDM300L3.IOM 8–4 Table 8-1. Conversion to S/N and Eb/N0 Chart (dB) Code Rate 1/2 Code

SDM-300L3 Satellite Modem Revision 0 System Checkout MN/SDM300L3.IOM 8–5 Figure 8-2. Typical Output Spectrum 8.1.3 Demodulator Checkout U

SDM-300L3 Satellite Modem Revision 0 System Checkout MN/SDM300L3.IOM 8–6 WITH NOISE WITHOUT NOISE Figure 8-3. Typical Eye Constellations

9–1 Chapter 9. FAULT ISOLATION 9.1 Fault Isolation The modem’s design allows a technician to repair a faulty modem on location. CAUTION This equip

SDM-300L3 Satellite Modem Revision 0 Fault Isolation MN/SDM300L3.IOM 9–2 9.1.1 System Faults/Alarms System faults are reported in the “Faults/Alar

SDM-300L3 Satellite Modem Revision 0 Fault Isolation MN/SDM300L3.IOM 9–3 9.1.3.1 Faults Tree Refer to Figure 9-1 for faults monitored by the modem,

SDM-300L3 Satellite Modem Revision 0 Fault Isolation MN/SDM300L3.IOM 9–4 T X I F O U T P U T O F F T X F A U L T L E D T X F

SDM-300L3 Satellite Modem Revision 0 Fault Isolation MN/SDM300L3.IOM 9–5 Test Note Fault/Alarm Relay Test Points Connector/Pins 1 TX FAULT Pin

SDM-300L3 Satellite Modem Revision 0 Fault Isolation MN/SDM300L3.IOM 9–6 9.1.3.2 Modulator Faults Fault/Alarm Possible Problem and Action IF SYNTHE

SDM-300L3 Satellite Modem Revision 0 Fault Isolation MN/SDM300L3.IOM 9–7 9.1.3.3 Demodulator Faults Fault/Alarm Possible Problem and Action CARRIER

SDM-300L3 Satellite Modem Revision 0 Fault Isolation MN/SDM300L3.IOM 9–8 9.1.3.4 Outdoor Unit Fault/Alarm Possible Problem and Action CURRENT OD

SDM-300L3 Satellite Modem Revision 0 Fault Isolation MN/SDM300L3.IOM 9–9 9.1.3.6 Backward Alarms Faults Fault/Alarm Possible Problem and Action BW

s:\tpubs\manuals\released_word\modems\sdm300l3_rev0\erratas\errata n.doc 1 Errata N Comtech EF Data Documentation Update Subject: Add Transmit Mode

SDM-300L3 Satellite Modem Revision 0 Fault Isolation MN/SDM300L3.IOM 9–10 This page is intentio

10–1 Chapter 10. OPEN NETWORK OPERATIONS 10.1 Introduction This section summarizes the functionality and specifications of the various Open Netwo

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–2 The receive data from the demodulator is input through the same in

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–3 Figure 10-1. IBS Interface Block Diagram

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–4 10.2.1 IBS Modem Defaults Table 10-1. IBS Modem Defaults Modulat

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–5 10.3 IDR IDR operation adds 96 kbps overhead to the terrestrial da

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–6 The receive data and selected clock are translated to conform to t

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–7 Figure 10-2. IDR Interface Block Diagram

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–8 10.3.1 IDR Modem Defaults Table 10-2. IDR Modem Defaults Modula

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–9 10.4 Drop & Insert (D&I) The D&I MUX works in conjun

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–10 Figure 10-3. D&I with Asynchronous Overhead Data Flow

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–11 10.4.1 Description of D&I Operation The main features of the

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–12 The transmit data will be replaced with an all 1s pattern (AIS) i

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–13 The operator may select from four other clock sources as a backup

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–14 10.4.2 D&I Framing Formats The D&I framing formats used

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–15 Figure 10-4. E1 Framing Formats

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–16 Figure 10-5. T1 Framing Formats

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–17 10.4.3 D&I Modem Defaults Table 10-3. D&I Modem Faults

SDM-300L3 Satellite Modem Revision 0 Open Network Operations MN/SDM300L3.IOM 10–18 10.5 2xADPCM Voice in 64 kbps IBS 2xADPCM Voice in 64 kbps IBS o

11–1 Chapter 11. ASYNCHRONOUS INTERFACE/AUPC 11.1 Asynchronous Interface/AUPC The asynchronous (ASYNC) interface option provides the interface for

Copyright © Comtech EF Data, 2000. All rights reserved. Printed in the USA. Comtech EF Data, 2114 West 7th Street, Tempe, Arizona 85281 USA, (480) 33

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–2 ASYNC overhead is a 1/15 rate overhead channel composed of the

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–3 Figure 11-1. ASYNC/AUPC Block Diagram G.703V.3

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–4 11.2 AUPC There are two modes of AUPC location: AUPC between

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–5 With Local AUPC On, set modems (A and B), if modem A loses ca

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–6 11.2.1.1 Remote AUPC This feature allows the user to monitor a

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–7 Notes: 1. Comtech EF Data does not recommend increasing the

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–8 11.3.3 MUX Operation The MUX receives terrestrial and ASYNC dat

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–9 The Doppler buffer receives data clocked by the overhead clock

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–10 11.3.8 Non-ASYNC Operation The ASYNC interface has pass-throug

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–11 11.4.1 Valid ASYNC Baud Rates The ASYNC baud rates are limited

Filename: T_ERRATA 1 Errata A Comtech EF Data Documentation Update Subject: Delete Operational Shock and Survivability Shock from Specifications

ii Customer Support Contact the Comtech EF Data Customer Support Department for: • Product support or training • Information on upgrading or return

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–12 11.4.3 ASYNC Remote Operation Remote modems can be controlled

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–13 WYSEREMOTE TERMINAL(OR EQUIVALENT)ASYNC INTERFACE ASYNC INTER

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–14 11.4.3.1 Configuration #1 (Local EIA-232 to Remote EIA-232)

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–15 11.4.3.2 Configuration #2 (Local EIA-232 to Remote EIA-485 [4

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–16 11.4.3.3 Configuration #3 (Local EIA-232 to Remote EIA-485 [2

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–17 11.4.3.4 Configuration #4 (Local EIA-485 [4-Wire] to Remote E

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–18 11.4.3.5 Configuration #5 (Local EIA-485 [4-Wire] to Remote

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–19 11.4.3.6 Configuration #6 (Local EIA-485 [4-Wire] to Remote E

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–20 11.4.3.7 Configuration #7 (Local EIA-485 [2-Wire] to Remote E

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–21 The local end cable connects the 25-pin female ASYNC connector

iii Table of Contents Customer Support...

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–22 11.4.3.8 Configuration #8 (Local EIA-485 [2-Wire] to Remote E

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–23 The local end cable connects the 25-pin female ASYNC connector

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 11–24 11.4.4 ASYNC/AUPC Modem Defaults Table 11-11. ASYNC/AUPC Mod

12–1 CHAPTER 12. ASYMMETRICAL LOOP TIMING 12.1 Asymmetrical Loop Timing Asymmetrical Loop Timing is the same timing method that is designed into

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 12–2 The transmit data is normally clocked into the modem with the

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 12–3 BUFPLLSATINTRXDMCEXTTERRTTRTDDSEXTREFINTRXDRXC Note: PLL will

SDM-300L3 Satellite Modem Revision 0 Asynchronous Interface/AUPC MN/SDM300L3.IOM 12–4 Slave Site: 1. Set Configuration/Interface/Loop Timing to ON

13–1 Chapter 13. G.703 13.1 G.703 G.703 data is either in AMI, B8ZS (8 zero) suppression, or HDB3 (3 zero) suppression formats. There is not a coex

SDM-300L3 Satellite Modem Revision 0 G.703 MN/SDM300L3.IOM 13–2 This page is intentionally left blank.

14–1 CHAPTER 14. FULLY ACCESSIBLE SYSTEM TOPOLOGY (FAST) 14.1 FAST System Theory FAST is an enhancement feature available only in Comtech EF Data pr

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM iv 2.0 INSTALLATION/ UPGRADES ...

SDM-300L3 Satellite Modem Revision 0 Options MN/SDM300L3.IOM 14–2 14.1.1.1 Activation Procedure Obtain Modem Serial Number 1. Press [CLEAR] to r

SDM-300L3 Satellite Modem Revision 0 Options MN/SDM300L3.IOM 14–3 5. Use [←] and [→] to select CARD #1 (Overhead Card) menu. 6. Record Card #1 se

SDM-300L3 Satellite Modem Revision 0 Options MN/SDM300L3.IOM 14–4 Entering Access Codes from the Remote Control Port 1. Establish remote communi

15–1 CHAPTER 15 . SPECIFICATIONS 15.1 Specifications The SDM-300L3 satellite modem specifications are divided into sections as follows. • Speci

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–2 Figure 15-1. Block Diagram M&CM&CRemote PortAlarm RelaysFault R

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–3 15.2 Specification Summary Table 15-1. System Specification Summary System

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–4 15.3 L-Band Modulator Specification Summary Table 15-2. L-Band Modulator T

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–5 15.4 Demodulator Specification Summary Table 15-3. Demodulator Specificati

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–6 15.5 L-Band Modulator Specifications 15.5.1 Digital Data Rate The digital

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–7 Table 15-4. Modulator Digital Data Rates (Continued) Modulation Type Enc

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM v 4.5 Menu Tree...

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–8 15.5.2 Modulation and Encoding Types The following combinations of modulati

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–9 15.5.3 Scrambling Types When scrambling is enabled, it is applied to the mo

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–10 15.5.5 Modulator Spurious Emissions Spurious emissions are measured relat

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–11 15.5.9 Differential Encoder The differential encoder takes care of one set

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–12 15.5.16 Modulator Power Offset An offset to the displayed IF output power

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–13 15.5.24 L-Band ODU Supply Voltage Standard configuration is without a po

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–14 Using vector analysis of the constellation pattern, QPSK represents a symb

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–15 15.7 L-Band Demodulator Specifications 15.7.1 Digital Data Rate The digi

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–16 Table 15-7. Demodulator Digital Data Rate (Continued) Modulation Type E

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–17 15.7.2 Demodulation and FEC Decoding Types The following combinations of

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM vi 6.6.1 Multiples of the Frame Length...

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–18 15.7.3 Descrambling Types When descrambling is enabled, it is applied to t

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–19 15.7.7 Demodulator Spectrum Rotation The operator can select Normal, Inve

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–20 15.7.14 Receive Input Power (Composite) The modem can operate to its spec

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–21 15.7.16 Receive Input Power (Desired Carrier) The modem can meet the spe

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–22 15.8 Bit Error Rate Performance 15.8.1 Performance With Noise, Viterbi

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–23 15.8.4 Performance with Noise Turbo Product Codec (Optional)

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–24 15.8.7 Performance With Noise, 1544 kbps Sequential Decoder (Optional) Re

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–25 15.9 Acquisition Time The acquisition times apply for QPSK only. Viterbi

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–26 15.9.1 Receive Carrier Acquisition Range 1. The modem will automaticall

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–27 15.10 Interface Specifications 15.10.1 TX Clock Switching Due to Failure

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM vii CHAPTER 11. ASYNCHRONOUS INTERFACE/AUPC ...

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–28 15.10.6 Doppler/Plesiochronous Buffer Clock Source The operator from the f

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–29 15.10.12 Receive Doppler/Plesiochronous Buffer Size The receive Doppler bu

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–30 Using vector analysis of the constellation pattern, QPSK represents a symb

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–31 15.12 Terrestrial Interface Types The following interface types are avail

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–32 15.12.2 V.35 Specification V.10, V.11 Specification, Circuit Supported C

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–33 15.12.3 EIA-449/EIA-422 Mil-188-114A Specification Circuit Supported SD,

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–34 15.13 Asynchronous Overhead Specification (Optional) The operator can se

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–35 15.13.1 Asynchronous Baud Rates The operator can select the following baud

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–36 15.13.5 Turbo AUPC Self monitoring AUPC is provided. 15.14 IBS (Optional

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–37 15.14.4 IBS Engineering Service Channel Bi-directional processing of the

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM viii 15.5.1 Digital Data Rate...

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–38 15.15.1 D&I Primary Data Interfaces When configured for D&I opera

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–39 15.16.1 IDR Primary Data Interfaces When configured for IDR operation, th

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–40 15.17 System Specifications 15.17.1 Loopback Modes The operator can select

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–41 15.17.3 Remote Control All modem functions can be controlled remotely thro

SDM-300L3 Satellite Modem Revision 0 Specifications MN/SDM300L3.IOM 15–42 15.18 Stored Faults All faults listed above will be stored in battery b

16–1 Chapter 16. BUC FSK COMMUNICATIONS 16.1 Introduction The modulator includes capability to communicate with an ODU Block Up Converter (BUC) usin

SDM-300L3 Satellite Modem Revision 0 BUC FSK Communications MN/SDM300L3.IOM 16–2 On power-up, the TX carrier is Off until the BUC is commanded to tu

SDM-300L3 Satellite Modem Revision 0 BUC FSK Communications MN/SDM300L3.IOM 16–3 16.2.2 Response Message Structure (BUC to IDU) Byte Name Descrip

SDM-300L3 Satellite Modem Revision 0 BUC FSK Communications MN/SDM300L3.IOM 16–4 This page is intentionally left blank.

A–1 Appendix A. REMOTE CONTROL OPERATION This appendix describes the remote control operation of the SDM-300L3. Firmware number: FW/8460-1M Softw

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM ix 15.8 Bit Error Rate Performance ...

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–2 A.2 Message Structure The ASCII character format used requires 11

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–3 A.2.3 Command/Response The command/response portion of the message

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–4 A.2.4 End Character Each message is ended with a single character

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–5 A.3 Configuration Commands/Responses A.3.1 Modulator Configuration

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–6 Power Level Status: Response: <add/MOP_’cr’ >add/MOP_snn.n’

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–7 ODU Power Command: Response: Status: Response: <add/ODU_xxx&a

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–8 Descramble Enable Command: Response: Status: Response: <add/DE_

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–9 LNB Voltage Command: Response: Status: Response: <add/LNBV_xxx

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–10 Interface Loopback Command: Response: Status: Response: <add/

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–11 Interface Service Channel Level Command: Response: Status: Respon

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM x 15.14 IBS (Optional with Overhead Card)...

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–12 Insert Channels Assignment Command: Response: Status: Response: &

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–13 ASYNC Receive Channel Stop Bits Command: Response: Status: Respon

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–14 A.3.4 System Configuration Commands Time Of Day Command: Respons

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–15 RF Mode Control Command: Response: Status: Response: <add/RFM

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–16 AUPC Local Carrier Loss Action Command: Response: Status: Respons

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–17 A.4 Status Commands/Responses A.4.1 Modulator Configuration Statu

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–18 Modulator/ Coder Config. Program Status Command: Response: <

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–19 Notes: 1. Data is only returned for TX D&I Overhead (or

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–20 Demod/ Decoder Config. Program Status Command: Response: <add

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–21 Notes: 1. Data is only returned for RX D&I overhead (or Flex

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM xi A.2.4 End Character...

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–22 MAXP_snn.n'cr' (Note 5)LCL_xxxx'cr' (Note 5

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–23 A.4.3 ODU Configuration Status Outdoor Unit Status Command: Re

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–24 A.4.4 Fault Status Common Command: <add/CES_'cr' MO

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–25 Equipment Status Response: >add/CES_'cr' M&C_x

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–26 Interface Read Error Status Command: Response: <add/IRES_&apo

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–27 Receive Signal Level Status Command: Response: <add/RSL_&apos

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–28 A.5 Stored Faults Information on stored faults is returned when r

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–29 Interface Receive Side Stored Faults Command: Response: <add

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–30 Bulk Consol. Analog Status Command: Response: <add/BCAS_&apo

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–31 Bulk Consol. Status Command: Response: <add/BCS_'cr&ap

Filename: T_ERRATA 2 Table 15-1. System Specification Summary System Specifications Operating Frequency Range 950-1750MHz, in100 Hz steps Digital

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM xii Figure 6-5. D&I G.703 Master/Master Clocking Diagram...

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–32 Bulk Consol. Status (continued) Parameter Number Parameter N

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–33 Bulk Consol. Status (continued) Parameter Number Parameter N

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–34 Bulk Consol. Status (continued) Parameter Number Parameter N

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–35 Bulk Consol. Status (continued) Parameter Number Parameter N

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–36 Bulk Consol. Status (continued) Parameter Number Parameter N

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–37 Bulk Consol. Status (continued) Parameter Number Parameter N

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–38 Notes: 1. Data will only be returned if TX Overhead is program

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–39 Bulk Consoli-dated Status Faults Command: Response: <add/BCS

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–40 Character 'i': Interface transmit side faults character

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–41 Character 'r': Interface Reed-Solomon Unavailable Secon

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM xiii Table 5-6. Asynchronous Parameter Settings...

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–42 Boot M&C Firmware Information Command: Response: <add/BF

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–43 Card #1 Options/ Misc. Information Command: Response: <add/C

SDM-300L3 Satellite Modem Revision 0 Remote Control Operation MN/SDM300L3.IOM A–44 Serial Number Command: Response: <add/SNUM_'cr' &g

g-1Glossary The following is a list of acronyms and abbreviations that may be found in this manual. Acronym Definition Ω Ohms 8PSK 8 Phase Shif

SDM-300L3 Satellite Modem Revision 0 Glossary MN/SDM300L3.IOM g-2 EIA Electronic Industries Association EMC Electro-Magnetic Compatibility ESC En

SDM-300L3 Satellite Modem Revision 0 Glossary MN/SDM300L3.IOM g-3 SYNC Synchronize TT Terminal Timing TTL Transistor-Transistor Logic TX Transmit (T

SDM-300L3 Satellite Modem Revision 0 Glossary MN/SDM300L3.IOM g-4 This page is intentionally left blank.

i-1Index 2xADPCM Voice in 64 kbps IBS, 10-22 309 IBS Operation, 5-3 8PSK Decoding, 15-29 8PSK Encoding, 1-9, 15-14 A AC Power Connector, 3-14 Acq

SDM-300L3 Satellite Modem Revision 0 Index MN/SDM300L3.IOM i-2 D&I Framing Formats, 10-18 D&I Modem Defaults, 10-21 D&I Primary Data Int

SDM-300L3 Satellite Modem Revision 0 Index MN/SDM300L3.IOM i-3 G G.703, 13-1, 15-32 G.703 Specifications, 13-1 G.703 T1, E1/ASYNC Interface Adapter,

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM xiv About this Manual This manual provides installation and operation information for

SDM-300L3 Satellite Modem Revision 0 Index MN/SDM300L3.IOM i-4 Menu System, 4-4 Menu Tree, 4-6 Mod/Demod Processing Delay, 7-3 Modem Installation, 2

SDM-300L3 Satellite Modem Revision 0 Index MN/SDM300L3.IOM i-5 Performance with Noise, Viterbi Encoder, and RS, 15-21 Plesiochronous, 6-13 Plesiochr

SDM-300L3 Satellite Modem Revision 0 Index MN/SDM300L3.IOM i-6 V V.35 Specification V.10, V.11 Specification, Circuit Supported, 15-31 Valid ASYNC B

SDM-300L3 Satellite Modem Installation and Operation Manual Addendum A Subject: Add Appendic B. Burst Mode Modulator Operation Part Number:

Collating Instructions To update the manual, remove and insert the pages as follows: Remove Insert Appendix B (pages C-1 through C-18)

B–1Appendix B. Burst Mode Modulator Operation B.1 Burst Mode Modulator: Theory of Operation The modulator is composed of two basic sections: th

SDM-300Ls Satellite Modem Revision 0 Burst Mode Modulator Operation Addendum A B–2 energy dispersal. There is no need for a differential encoder i

SDM-300Ls Satellite Modem Revision 0 Burst Mode Modulator Operation Addendum A B–3 B.2.2 Modulation and Encoding Types QPSK modulation and 1/2 ra

SDM-300Ls Satellite Modem Revision 0 Burst Mode Modulator Operation Addendum A B–4 B.2.7 Transmit Frequency Change Time The time between the end

SDM-300Ls Satellite Modem Revision 0 Burst Mode Modulator Operation Addendum A B–5 B.2.12 Modulated IF Output Shape The modem meets the followin

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM xv Metric Conversion Metric conversion information is located on the inside back cover

SDM-300Ls Satellite Modem Revision 0 Burst Mode Modulator Operation Addendum A B–6 B.2.17 Transmit Preamble In burst mode, when RTS transitions fr

SDM-300Ls Satellite Modem Revision 0 Burst Mode Modulator Operation Addendum A B–7 B.3 Burst Mode Specifications General Specifications Operatin

SDM-300Ls Satellite Modem Revision 0 Burst Mode Modulator Operation Addendum A B–8 Additional Modulator Specifications Output Power -5 to -30 dB

METRIC CONVERSIONS Units of Length Unit Centimeter Inch Foot Yard Mile Meter Kilometer Millimeter 1 centimeter — 0.3937 0.03281

2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 • 333 • 2200 PHONE 480 • 333 • 2161 FAX

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM xvi ELECTRICAL SAFETY The SDM-300L3 Satellite Modem has been shown to comply with the f

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM xvii Installation The installation and connection to the line supply must be made in co

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM xviii EMC (Electromagnetic Compatibility) In accordance with European Directive 89/336/

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM xix Warranty Policy This Comtech EF Data product is warranted against defects in materi

SDM-300L3 Satellite Modem Revision 0 Preface MN/SDM300L3.IOM xx This page is intentionally left blank.

1–1 Chapter 1. INTRODUCTION The SDM-300L3 Satellite Modem is designed to meet the requirements of the Satellite Digital Communications industry. The

Filename: T_ERRATA 1 Errata B Comtech EF Data Documentation Update Subject: Change Output Unit Reference Date: December 1, 2003 Document: SDM-300

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–2 Refer to Figure 1-1 for a system block diagram. M&CM&CRemote PortAl

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–3 1.1 Overview The SDM-300L3 utilizes advanced technology and digital signa

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–4 Option Description & Comments Availability Install Option G.703 Int

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–5 1.4 FAST Accessible Options Comtech EF Data FAST system allows immediate i

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–6 1.5 Compatibility The SDM-300L3 is functionally compatible with many Comte

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–7 If the modem is so equipped, the optional overhead or Reed-Solomon PCB first

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–8 • QPSK (OQPSK): 4 discrete phase angles represent the 4 possible states of

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–9 1.6.6 OQPSK Encoding The modulator PCB converts the transmitted baseband d

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–10 1.7 Description of the Demodulator A block diagram of the demodulator is

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–11 1.7.2 Functional Description The demodulator functions as an advanced, di

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–12 implemented digitally. The DDS performs the function of a VCO in an analog

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–13 1.8.2 Functional Description The M&C card is composed of the follow

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–14 The heart of the M&C card is the Dallas 80C310 microcontroller operatin

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–15 1.9 Dimensional Envelope Refer to Figure 1-2 for the unit’s dimensional e

SDM-300L3 Satellite Modem Revision 0 Introduction MN/SDM300L3.IOM 1–16 This page is intentionally left blank.

2–1 2.0 INSTALLATION/ UPGRADES 2.1 Unpacking The modem and manual are packaged in pre-formed, reusable, cardboard cartons containing foam spacing for

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–2 2.2 Installation The modem arrives fully assembled from the factory.

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–3 EquipmentRackMountingRail#10 Socket headscrew BRACKETBOLTSSupportB

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–4 2.3 Software and Hardware Installation/Upgrades 2.3.1 Overhead In

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–5 CAUTION The mounting hardware must be installed to provide proper g

Filename: T_ERRATA 1 Errata C Comtech EF Data Documentation Update Subject: Changes to Table 5-8 (Viterbi Reed-Solomon Modes) Date: December 1, 2

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–6 2.3.2 Reed-Solomon PCB The TX/RX Reed-Solomon PCBs are installed in t

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–7 4. After completing the above installation procedure turn on the m

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–8 2.3.3 Turbo Codec Installation The Turbo Card is installed in the s

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–9 4. If required: Reed-Solomon Removal – Remove the Reed-Solomon boa

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–10 Figure 2-4. Turbo Codec Installation Turbo Cod

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–11 2.4 Data I/O Interface Connector (J8) Removal/Installation Note:

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–12 To install Data I/O Connector (J8), as follows: 1. (For Ribbon-Con

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–13 For Ribbon-Configured Connector For 50-Pin Connector with Over

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–14 2.5 Hardware Upgrades 2.5.1 Main PCB Firmware Chips The main PCB

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–15 Figure 2-6. Overhead Board with Field-Changeable Chips Figure

Filename: T_ERRATA 2 Change Specifics: 5.7 Reed-Solomon Modes Reed-Solomon polynomial is compatible with Intelsat (IESS-308, IESS-309, IESS-310,

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–16 2.6 Flash Upgrading The SDM-300L3 eliminates the need for physicall

SDM-300L3 Satellite Modem Revision 0 Installation/Upgrades MN/SDM300L3.IOM 2–17 2.6.1 Downloading Flash Updates from the Web The latest firmware

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3–1 Chapter 3. CONNECTOR PINOUTS 3.1 Connector Overview When a breakout panel, such as the UB-530, is not required, the rear panel connectors provide

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–2 Figure 3-1. SDM-300L3 Rear Panel Table 3-1. Modem Rear Pan

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–3 Note: The European EMC Directive (EN55022, EN50082-1) requires using prop

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–4 3.2.2 Fault Connector and Pinouts (J7) The fault connector provides Form

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–5 3.2.3 Data I/O Interface Connector (J8) The Data I/O interface connector

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–6 Table 3-4. 25-Pin D Connector Pinouts 25-Pin D Connector Pin # EIA-422

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–7 Table 3-5. 34-Pin Winchester Connector Pinouts (V.35) Pin # Name A SIGG

Filename: T_ERRATA 1 Errata D Comtech EF Data Documentation Update Subject: Changes to Figure 9-1 (SDM-300L Fault Tree) Date: December 1, 2003 Do

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–8 Table 3-6. 37-Pin Connector Pinouts (Optional) Pin # EIA-422/MIL-188-14

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–9 Table 3-7. 50-Pin Connector Pinouts 50-Pin D Connector Pin # IDR IBS

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–10 Notes: 1. IDR configuration connector pinouts: a. Backward alarm rela

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–11 3.2.4 G.703 T1, E1/ASYNC Interface Adapter The G.703 T1, E1/ASYNC Int

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–12 3.2.5 Auxiliary 1 Connector and Pinouts (J9) The auxiliary 1 (AUX 1) co

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–13 3.2.6 Alarms Connector and Pinouts (J10) The alarm connector provides F

SDM-300L3 Satellite Modem Revision 0 Connector Pinouts MN/SDM300L3.IOM 3–14 3.2.10 AC Power Connector A standard, detachable, non-locking, 3-prong

4–1 Chapter 4. FRONT PANEL OPERATION 4.1 Front Panel The modem front panel (Figure 4-1) enables control of modem configuration parameters and displa

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–2 4.2 LED Indicators The 10 LEDs on the front panel indicate: • Gener

SDM-300L3 Satellite Modem Revision 0 Front Panel Operation MN/SDM300L3.IOM 4–3 4.3 Front Panel Keypad The front panel keypad permits local operati