Comtech EF Data CRS-500, Installation And Operational Manual

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CRS-500 1:N Redundancy System
Revision 4
CSU Front Panel Operation 8–14 MN-CRS-500
C ONFIG: Remote → Ether → Interface
This setting does not affect the internal communications between the Switch
and the modems.
Serial Interface: RS232
RS485-2W RS485-4W
Use the
◄ ► arrow keys to select
RS232 , RS485-2W (2-wire), or RS485-4W (4-wire). Press
ENTER .
If you select RS232 , the bus address is fixed at 0000 :
In RS232 mode, the bus
address is fixed at 0000
If you select either RS485-2W (2-wire) or RS485-4W (4-wire), the system further prompts you to
enter the bus address:
Edit Switch bus address:
3000
Use the
▲▼ arrow keys to select the address value. The only valid addresses are
1000 , 3000 ,
5000 , and 7000 (see Chapter 10. SERIAL INTERFACE OPERATION ). Press ENTER.