Troubleshooting guide

Troubleshooting Guide
38
Receivers An active DTMF receiver circuits on the
active Peripheral Switch Matrix card
has a fault. By default all 3300 ICPs are
assigned three DTMF receivers, each
having 16 circuits for a total of 48
circuits.
Replace Peripheral Switch Controller.
TDM Clock Stratum 3 clock module in controller
has failed.
Replace Stratum 3 clock module.
Temperature Temperature in the system is getting
too high.
System has overheated. Cool down system to
clear alarm. This alarm applies to the MXe
controller, MXe Server, CX/CXi controllers, and AX
controller only.
SFT Zones System Fail Transfer zones have
switched into SFT mode.
Determine cause for switch to SFT mode.
SYSID Mismatch The System Identification module or
i-button is not installed or is incorrect.
Install or replace System Identification module or
i-button.
Note: Enter the Show Status Redundant maintenance command to identified the failed component. A minor Fan,
Power Supply, or RAID alarm in the MXe or MXe Server means that only one of the components has failed. A
major alarm means that more than one component has failed.
See the MCD Technician’s Handbook for hardware replacement procedures.
Table 8: Hardware Alarms Troubleshooting
Alarm Probable Cause Corrective Action
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