Comtech EF Data CRS-200 - Manual (Page 29)

CRS-200 Redundancy Switch Connector Pinouts
Rev. 1 4–3
4.4 Remote Control Connector - 9 Pin ‘D’ Type Male
Table 4-4 Remote Control Connector
Pin Description
1 Ground
5 Ground
9 EIA-485 Transmit Data A
8 EIA-485 Transmit Data B
7 EIA-485 Receive Data A
6 EIA-485 Receive Data B
2 EIA-232 Transmit Data
3 EIA-232 Receive Data
4 Reserved - do not connect to this pin