Comtech EF Data CDM-500 Especificações descarregar pdf (Página 27)

Connector Pinouts CDM-500 Closed Network Satellite Modem

5–2 Rev. 1.3

• DO NOT connect signals to pins which are not shown - these pins are reserved for

use by the redundancy system

•

‘B’ signal lines are not used for RS232 applications

•

For X.21 operation, use the RS422 pins, but ignore Receive Clock if the Modem is

DTE, and ignore Transmit clocks if the Modem is DCE

5.2 Alarms Connector - 15 Pin ‘D’ Type Male

Table 5-2 Alarms Connector

Pin Description

1 Ground

5 Unit Fault Relay - Normally Open

12 Unit Fault Relay - Normally Closed

4 Unit Fault Relay - Common

8 Receive Traffic Relay - Normally Open

15 Receive Traffic Relay - Normally Closed

7 Receive Traffic Relay - Common

14 Transmit Traffic Relay - Normally Open

6 Transmit Traffic Relay - Normally Closed

13 Transmit Traffic Relay - Common

11 Receive I sample (for constellation display)

3 Receive Q sample (for constellation display)

2 Receive AGC voltage

9 External Carrier Off input

10 ---- No Connection ----

Note:

‘Normally Open’ refers to the NON-FAIL state

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 87 88

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Comtech EF Data CDM-500 Especificações Página 27