Error type 0: Run the short test sequence first. If all tests pass, run the long test sequence. Refer to the appropriate test description and follow the recommended procedures.

If the Media Module has an entry in the circuit plan and either of the other two conditions are not met, a MINOR alarm is logged.

1. To resolve the error do either of the following:

   • Make sure that all conditions for administration are met and that a functioning Media Module is inserted in the correct slot.

   • Completely remove the Media Module from the system using the following steps.

2. Remove any administered DS1 trunks, access endpoints or PRI endpoints associated with the Media Module from their trunk groups.

3. Execute remove ds1 location and change media module location.

Error type 18: The Media Module has been busied out by a busyout board location command. Release the Media Module with the command release board location.

A DS1 Media Module differs from most Media Modules in that inserting the DS1 Media Module into the gateway is not enough to make the board usable. It must also be administered with the add ds1 command.

Error type 125: An incorrect Media Module is inserted in the slot where the Media Module is logically administered.

Error type 257: Refer to Control Channel Looparound Test 52 for details.

Error type 513: The Media Module has detected a transient hardware problem.

The value in the Aux Data field indicates the type of hardware problem:Aux Data 4352: External RAM failure Aux Data 4353: Internal RAM failure Aux Data 4355 Internal ROM failure

If the board detects only one of these hardware problems, the error will disappear when none of these faults are detected for 10 minutes. If the same Aux Data value is logged more than once in a 24 hour period, the Media Module should be replaced.

Error type 514: LAN External RAM Error.

This error occurs when there is a hardware fault in the PPE external RAM. The RAM is used for message buffering to and from the Packet Bus. This error should not occur frequently. If does (at least 10 times within 30 minutes), the Media Module should be replaced.

Error type 769: Transmit FIFO Underflow Error.

This error occurs when the Media Module cannot find the end of frame bit when transmitting a frame to the Packet Bus. An alarm is raised if this error occurs three times within 10 minutes. Clear the alarm using the following commands: busyout board location, reset board location, test board location long, release board location. If the error recurs within 10 minutes, replace the Media Module.

Error type 770: Unable to Write LAN Translation RAM Error.

This error occurs when there are no available translation RAM locations for a call connection attempt. An alarm is raised if this error occurs twice within 10 minutes. Clear the alarm using the following commands: busyout board location, reset board location, test board location long, release board location. If the error recurs within 10 minutes, replace the Media Module.

Error type 1025: This error is not service-affecting and no action is required.

Error type 1301: Error 1301 occurs when either CSU or E1 sync splitter circuitry is currently in use and the integrated CSU is not administered on the DS1 board.

Resolution: Replace the board, or set the Near-End CSU Type field on the change ds1 screen to integrated.

Error types 1400, 1401: Echo Cancellation error.

This error indicates that Echo Cancellation is no longer being supplied by the board. Clear the alarm using the following commands: busyout board location, test board location long, release board location. If Test #1420 that is Echo Canceller Test fails, replace the Media Module.

Error type 1537: LAN Bus Timeout Error.

This error occurs when the Media Module transmits too many bytes on the LAN bus for a single frame. This condition may be caused by an on-board fault or by faulty data received on one of the Media Module’s external ports. If any of the ports on this Media Module are alarmed, refer to the repair procedures for those maintenance objects.

If the error occurs three times within 10 minutes, the board is isolated from the Packet Bus and the board is alarmed. To clear the alarm and restore the board to the Packet Bus, use the commands busyout board location, reset board location, test board location long, release board location.

If the problem persists and there are no PKT-BUS alarms or port alarms, replace the Media Module.

The Media Module is isolated from the system and all trunks or ports on this Media Module are placed into the out-of-service state. The system will try to restore the Media Module within 20-30 minutes. When no faults are detected for 20-30 minutes, the Media Module is restored to normal operation. All trunks or ports of the Media Module are then returned to the in-service state.

If the board is not restored to normal operation, or the error recurs after the board was restored to normal operation, escalate the problem.

Error types 3073 to 3160: The Media Module is receiving slips. The Error Type displays the value of the last slip count reported.

Error types 3585 to 3601: The Media Module is receiving misframes. The Error Type displays the value of the last misframe count reported.

Error Type 3840: Is not service-affecting. No action is required.

These errors are reported by the Media Module when it receives a bad control channel message from the switch. The Aux Data identifies the cause of the error event.

Error Type 3841: The Media Module has detected a transient hardware logic error. This error will disappear when no faults are detected for 100 minutes.

Error Type 3842: Bad Translation RAM Location Found. This error is not service-affecting. No action is required. The call continues by using another translation location.

Error Type 3999: The Media Module sent a large number of control channel messages to the switch within a short period of time. If Error Type 1538 is also present, the Media Module was taken out-of-service due to hyperactivity. If Error Type 1538 is not present, the Media Module has not been taken out-of-service, but it has generated 50% of the messages necessary to be considered hyperactive. This may be completely normal during heavy traffic periods. However, if this Error Type is logged when the Media Module is being lightly used, it may indicate a problem with the Media Module or the equipment attached to it.