Comtech EF Data CRS-180 - Manual (Page 49)

CRS-180 70/140 MHz IF 1:1 Redundancy Switch MN/CRS180.IOM
Modem and Switch Configuration Revision 11
4–7
4.3 CDM-760 or CDM-750 Operation in 1:1 Redundancy
• CDM-760 Advanced High-Speed Trunking Modem Installation and Operation
Manual (CEFD P/N MN-CDM760)
• CDM-750 Advanced High-Speed Trunking Modem Installation and Operation
Manual (CEFD P/N MN-CDM750)
The CDM-760 and CDM-750 Advanced High-Speed Trunking Modems automatically detect
connection to a 1:1 redundancy system. Typical for either product, with both modems
automatically configured for 1:1 operation, the online modem keeps the offline modem
updated as online modem configuration changes occur.
You can also manually ‘force’ backup of the online modem. Use the modem front panel to
select the
Utility
 1:1 screen:
Press ENTER key to force Unit into
Standby (1:1 only)
If the unit is part of a 1:1 redundant pair and this unit is currently online, press ENTER to force
the current unit to switch to standby mode.