CRS-300 1:10 Redundancy Switch

Revision 16

Front Panel Operation

MN/CRS300.IOM

7.6.2 MONITOR: SW-ALARM

The following are examples of possible Switch status displays, along with suggestions to assist the User in diagnosing the reason for the fault.

SWITCH ALARM: NONE

There are no faults. The front panel LED “Unit Status” should be GREEN.

SWITCH ALARM: -12V PS-B

ÌIS UNDERVOLTAGE

There is a fault. Power supply “B” is under voltage. The front panel LED “Unit Status” will be RED.

Suggestions:

Ensure power supply power cord is connected and the power switch is ON.

Replace defective power supply module.

If the second power supply module is not needed, the User can mask this Alarm.

SWITCH ALARM: RM PROBLEM

RM I/O TIMEOUT

There is a fault. Communication has been lost to the Redundant Modem. The front panel LED “Unit Status” will be RED.

Suggestions:

Check Cable Connections – refer to Chapter 4. CABLES AND CONNECTIONS.

Check Modem Configurations – refer to Chapter 5. MODEM, RMI/TMI, AND SWITCH

CONFIGURATION.

SWITCH ALARM: RM PROBLEM

MGC refused, code:12 TFT

There is a fault. COMs are good to the Redundant Modem, but the configuration of the bridged Traffic Modem cannot be configured into the Redundant Modem. The front panel LED “Unit Status” will be RED.

Suggestion: Ensure the most capable modem is used for the redundant, with regard to FAST options, installed options, e.g. Turbo card, firmware version, and hardware revision. The code indicates the parameter within the MGC configuration string that is causing the Redundant Modem to refuse it.

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Mocomtech CRS-300 operation manual Monitor SW-ALARM