Comtech-ef-data CDM-760 Manual do Utilizador descarregar pdf (Página 8)

Table of Contents Revision 2

CDM-760 Advanced High-Speed Trunking Modem MN-CDM760 / CD-CDM760

1.2.3.1 Front Panel Features ....................................................................................................................... 1–5

1.2.3.2 Rear Panel Features ......................................................................................................................... 1–6

1.2.3.2.1 Rear Panel Standard Features .................................................................................................... 1–6

1.2.3.2.2 Rear Panel Optional Features .................................................................................................... 1–7

1.2.4 Verification ............................................................................................................................................... 1–8

1.2.5 On-site Firmware Updates ....................................................................................................................... 1–8

1.2.6 On-site Operational Upgrades ................................................................................................................. 1–8

1.2.7 Monitor and Control Interfaces ............................................................................................................... 1–9

1.3 CDM-760 Specifications ....................................................................................................................... 1–10

1.3.1 System Specifications ............................................................................................................................. 1–10

1.3.2 Environmental and Physical ................................................................................................................... 1–10

1.3.3 Base Unit Connectors ............................................................................................................................. 1–11

1.3.4 Test Functions ........................................................................................................................................ 1–11

1.3.5 Modulator (Dual IF) ................................................................................................................................ 1–11

1.3.6 Demodulator (Dual IF) ............................................................................................................................ 1–12

1.3.6.1 Es/No Performance ....................................................................................................................... 1–13

1.3.7 Adaptive Coding and Modulation (ACM) ............................................................................................... 1–15

1.3.8 DoubleTalk

Carrier-in-Carrier

(CnC) ..................................................................................................... 1–15

1.3.9 Regulatory Compliance .......................................................................................................................... 1–16

CHAPTER 2. INSTALLATION ........................................................................................... 2–1

2.1 Unpack and Inspect the Equipment ....................................................................................................... 2–1

2.2 Install the Unit into a Rack Enclosure .................................................................................................... 2–2

2.2.1 Install the Optional Rear Support Brackets Kit ......................................................................................... 2–4

2.2.2 Install the Optional Bearingless Rack Slide Set ........................................................................................ 2–6

CHAPTER 3. REAR PANEL CONNECTIONS ....................................................................... 3–1

3.1 Cabling Connection Types ..................................................................................................................... 3–1

3.1.1 Coaxial Cable Connections ....................................................................................................................... 3–1

3.1.1.1 Type ‘BNC’ ....................................................................................................................................... 3–2

3.1.1.2 Type ‘TNC’ ....................................................................................................................................... 3–2

3.1.1.3 Type ‘N’............................................................................................................................................ 3–2

3.1.1.4 Type ‘F’ ............................................................................................................................................ 3–2

3.1.1.5 Type ‘SMA’ (Subminiature Version ‘A’) ........................................................................................... 3–2

3.1.2 D-Subminiature Cable Connections ......................................................................................................... 3–3

3.1.3 RJ-45, RJ-48 Cable Connections ............................................................................................................... 3–3

3.2 CDM-760 Cabling Connections .............................................................................................................. 3–4

3.2.1 IF Connector Group .................................................................................................................................. 3–5

3.2.1.1 Rx Connectors .................................................................................................................................. 3–5

3.2.1.2 Tx Connectors .................................................................................................................................. 3–5

3.2.1.3 J10 | TX MON Connector, Type ‘SMA’ ............................................................................................. 3–5

3.2.2 Utility Connector Group ........................................................................................................................... 3–6

3.2.2.1 J1 | ALARM Connector, DB-15M ..................................................................................................... 3–6

3.2.2.2 J2 | REDUNDANCY Connector, DB-9F .............................................................................................. 3–7

3.2.2.3 J3 | REMOTE Connector, DB-9M ..................................................................................................... 3–7

3.2.2.4 J4 | MGMT Connector, RJ-45F......................................................................................................... 3–8

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 415 416

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Comtech-ef-data CDM-760 Manual do Utilizador Página 8

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