Comtech EF Data CRS-400 - Manual (Page 36)

CRS-400 1:8 Redundancy Switch Revision 0
Installation and Setup MN/CRS400.IOM
20
Pin # Condition
10, 22 +5V input
12, 24 +12V input
11, 13 Ground
1, 2, 9, 14, 15 No Connection
2.6.5 R EMOTE C ONTROL C ONNECTOR
The Remote Control connector provides access to the remote control ports of the switch,
both EIA-232 and EIA-485. Table 2-4 provides the pinout information.
Table 2-4 Remote Control Connector, 9-Pin D Type Male
Pin Description
1 Ground
9 EIA-485 Transmit Data B
8 EIA-485 Transmit Data A
5 EIA-485 Receive Data B
4 EIA-485 Receive Data A
2 EIA-232 Transmit Data
3 EIA-232 Receive Data
6 Not connected
7 Not connected