Comtech-ef-data RCS20 Manual do Utilizador Página 120
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RCS20 M:N Redundancy Switch Revision 15
Electrical Interfaces MN-RCS20 and CD-RCS20
5–20
5.3.2 DDS20 – Universal Switch Back Panel Connectors
Figure 5-12 DDS20 Universal Switch – Back Panel Connectors
5.3.2.1 J1 | MODEM 1 through J8 | MODEM 8 68-Pin High Density Min DSUB
Female Connectors
Each connector, J1 | MODEM 1 through J8 | MODEM 8, connects to each prime modem. If a prime
channel is unused, then its corresponding connects should be left unconnected.
Pin No.
Signal Name
Signal
Direction
1 G.703 Send Data Input A (-) G.703B SD-A Input
2 Synchronous Data Send Data Input -A (-) SYNC SD-A Input
3 IDR ESC Backward Alarm Out - 1 Common ESCBWO 1C ---
4 G.703 Insert Data Input - A (-) G.703B IDI-A Input
5 G.703 Drop Data Out A - Synchronous Data Send Timing Output - A
G.703B DDO-A SYNC ST-A
Output
6 IDR ESC Backward Alarm Out - 1 Normally Open ESCBWO 1NO ---
7 Synchronous Data Terminal Timing Input A SYNC TT-A Input
8 IDR ESC Backward Alarm Out - 2 Normally Closed ESCBWO 2NC ---
9 Synchronous Data Receive Timing Output - A SYNC RT-A Output
10 IDR ESC Backward Alarm Output - 3 Common ESCBWO 3C ---
11 G.703 Insert Data Out A - Synchronous Data Receive Data A IDO-A RD-A Output
12 IDR ESC Backward Alarm Output - 3 Normally Open ESCBWO 3NO ---
13 External Clock Input - A BAL EXC-A Input
14 Ground GND ---
15 IDR ESC Audio Input Channel 1A ESCAUDTX 1A Input
16 IDR ESC Audio Input Channel 2A ESCAUDTX 2A Input
17 IDR ESC Audio Output Channel 1A ESCAUD RX 1A Output
18 IDR ESC Audio Output Channel 2A ESCAUD RX 2A Output
- M:N Redundancy Switch 1
- Blank Page 4
- Table of Contents 5
- Table of Contents - ii 6
- Table of Contents - iii 7
- Table of Contents - iv 8
- FIGURES 9
- Table of Contents - vi 10
- PREFACE 11
- Preface - ii 12
- Electrical Safety 13
- Related Documents 13
- Comtech EF Data Headquarters 13
- Warranty Policy 14
- Limitations of Warranty 14
- Exclusive Remedies 14
- Chapter 1. Introduction 15
- 1.3.2.1 Universal DDS20 18
- 1.3.3.1 70/140 IFS20 22
- Chapter 2. Installation 25
- 2.2.1 Test Data Sheet 26
- 2.3 Removal and Assembly 26
- 2.4 Installation Planning 26
- 2.4.1 Rack Information 26
- 2.4.3 Electrical 28
- 2.4.3.1 Grounding 28
- 2.4.3.2 Battery 29
- 2.4.3.3 Fuses 29
- 2.5 Connecting the RCS20 29
- 2.8 Storage 30
- 3.1 Overview 31
- 3.2 RCU20 Major Assemblies 31
- 3.2.2 Front Panel 31
- Chapter 4. User Interfaces 35
- 4.2.1 Modem Control Keys 36
- 4.2.1.1 MODEM MOD CONFIG 36
- 4.2.1.2 MODEM DEMOD CONFIG 36
- 4.2.1.3 MODEM INTFC CONFIG 36
- 4.2.5 Switch Status LEDs 38
- 4.2.6 Numeric Keypad 38
- 4.2.7 Soft Keys (S1 - S4) 38
- 4.3 Front Panel Screens 41
- 4.3.1.2 MODEM ADDRESSES 42
- Key Label Function 48
- Numeric Keypad 48
- 4.3.1.19 MOD FAULT DELAY 58
- 4.3.1.20 DEMOD FAULT DELAY 59
- 4.3.1.21 DEMOD AQU DELAY 60
- 4.3.2.13 SET DATE 75
- 4.3.2.14 SET TIME 76
- 4.3.2.22 CnC SWITCHING 82
- 4.3.3.3 EVENTS 89
- 4.3.3.4 NEXT EVENTS SCREEN 90
- 4.3.4 TEST Menu Tree 93
- 4.3.4.1 SWITCH SYSTEM TESTS 93
- 4.3.4.4 LAMP TEST 96
- 4.3.4.6 REMOTE PORT TEST 97
- 4.4 Remote Interface 97
- 4.5 Terminal Port Control 98
- 4.5.1 Terminal Interface 98
- 5.1 Overview 101
- 5.2.2 Chassis Ground 102
- 5.2.3 Expansion Slots 103
- 5.2.3.2.1 J1 106
- 5.2.3.2.2 J2 106
- 5.2.3.2.3 J3 107
- 5.2.3.2.5 J2 108
- 5.2.3.2.6 J3 108
- 5.2.3.2.4 J1 108
- Female Connectors 120
- G.703B DDO-B SYNC ST-B 121
- 5.4.2.4 J21 124
- BLANK PAGE 134
- Chapter 6. Maintenance and 135
- Troubleshooting 135
- 6.3 Active Major Alarms 136
- 6.4 Active Minor Alarms 137
- 7.1 General Specifications 139
- 7.2 IFS20 (70/140 MHz) 139
- 7.3 IFS20 (L-Band) 140
- 7.4 Terrestrial Interfaces 140
- 7.5 Options 141
- 7.6 Power and Environmental 141
- 7.8 Complementary Products 142
- A.1.1 Protocol Structure 143
- A.1.2 Protocol Wrapper 144
- A.1.5 Collision Avoidance 148
- A.1.8 RLLP Summary 152
- Configuration 168
- Appendix B. System Cabling 179
- B.2 RCS20 Interconnects 180
- Setup and Configuration 199
- 480 • 333 • 2200 PHONE 202
- • 333 • 2161 FAX 202
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