Comtech EF Data CRS-200 REDUNDANCY SWITCH - Manual (Page 20)

CRS-200 COMTECH COMMUNICATIONS CORPORATION
CRS-200 REDUNDANCY SWITCH - OPERATIONS MANUAL PAGE 18
6.3 IF SWITCH CONTROL CONNECTOR - 25 PIN ‘D’ TYPE MALE
Pin Description
16 Modem Select 0 (to IF Switch) *
4 Modem Select 1 (to IF Switch) *
17 Modem Select 2 (to IF Switch) *
5 Modem Select 3 (to IF Switch) *
8 Bridge/Backup Indicator (to IF Switch)
21 IF Switch Present (active high from IF
Switch)
10, 22 Fused +5V Supply
12, 24 Fused +12V Supply
11, 13, 23, 25 Ground
1, 2, 3, 6, 7, No Connection
9, 14, 15, 18,
19, 20
* Note: Modem Select 0-3 represent the binary address of the modem.
6.4 REMOTE CONTROL CONNECTOR - 9 PIN ‘D’ TYPE MALE
Pin Description
1 Ground
5 Ground
9 RS485 Transmit Data A
8 RS485 Transmit Data B
7 RS485 Receive Data A
6 RS485 Receive Data B
2 RS232 Transmit Data
3 RS232 Receive Data
4 Reserved - do not connect to this pin