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CRS-300 1:10 Redundancy Switch
Modem, RMI/TMI, and Switch Configuration
5.2.4.3
Switch to CDM-700, CDM-710, CDM-710G Redundancy Configuration
Only the Rev. A chassis (i.e., chassis with round-buttoned keypad) and later
versions of the CDM-700/710 offer 1:N redundancy operation.
IMPORTANT
The CRS-300 communicates to the Redundant and Traffic modems via a serial TTL bus
contained within the CDM-700/710/710G DB-15 "Alarms" connector on the modem back panel.
A DB-15 to HD-15 Control Cable connects each modem to the CRS-300.
To configure the CDM-700/710/710G and CRS-300 for 1:N redundancy:
Step
Procedure
1
If the terrestrial data type is Ethernet, for each modem, enter a unique IP Address for
the CDI-70 (GigE Interface) that is on the same subnet:
2
The DB-15 "Alarms" connector on the modem back panel must be configured for
"Redundancy Mode". On each modem, set the redundancy to the Active state:
Press ENT to save parameters to flash memory. The CDM-700/710/710G modems do
not have any further COMM menus configured by the User.
Power down all CDM-700s/710s/710Gs.
3
4
Power up all CDM-700s/710s/710Gs. Verify that each Traffic Modem is ONLINE via
the front panel LEDs.
All configuration changes can only be made to the Online CDM-700/710/710G and
will require the User to "Save Parameters to permanent storage" to ensure
the configuration change is also applied to the Backup CDM-700/710/710G.
IMPORTANT
Refer to the CDM-700, CDM-710, or CDM-710G Installation and Operation Manuals for
detailed configuration information.
For the CDM-700: CONFIG
For the CDM-710 or CDM-710G: CONFIG
CONFIG
AUX (Redundancy Mode)
Intfc1
MAN
Intfc2
ENA/DIS
5–5
Revision 16
MN/CRS300.IOM
ADDRESS
MAN
ADDRESS
set to
Enable.
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