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Communication Manager Maintenance-Object Repair Procedures
936 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
System Technician-Demanded Tests:
Descriptions and Error Codes
Investigate tests in the order presented. By clearing error codes associated with the Voice and
Control Channel Local Loop-Around test, you may also clear errors generated from other tests
in the sequence.
Digital Terminal Remote Loop-around Test (#1201)
Note:
Note: On the G700/ G350, this test aborts with Error Code 1412.
This test checks the connection between the media server and the digital terminal and the
ability of the terminal and the associated port to send and receive data. This test is based on
procedure 622 to isolate digital terminal problems.
A request is presented to the terminal to go into loop-back mode. Data is sent to the terminal
and when received back, checked for consistency. This test is run as a part of the test long
procedure. It is not included in any error recovery strategy and generates no error log entries or
alarms. To begin the test, Maintenance will ask Communication Manager to make the
associated endpoint and port Maintenance Busy. This test succeeds if the endpoint is “idle”. If
the reserve request fails then the test aborts. If the request succeeds then the media server
sends a message to loop around both information channels for the digital terminal.
1. First the primary information (voice information channel 1 or l1) channel loop-back test is
run. The test is performed by sending a digital count from the Tone-Clock circuit on the
primary information channel time slot and receiving the same digital count with a general
purpose tone detector.
Order of Investigation Short Test
Sequence
Long Test
Sequence
D/ND
1
1. D = Destructive; ND = Nondestructive
Digital Terminal Remote Loop-around Test (#1201)
S8300 / G700: This test aborts with Error Code 1412.
XD
Voice and Control Channel Local Loop-Around Test (#13)
S8300 / G700: This test aborts with Error Code 1412.
XND
Digital Line NPE Crosstalk Test (#9)
S8300 / G700: This test aborts with Error Code 1412.
XND
Digital Line Electronic Power Feed Test (#11) X ND
DIG-LINE Station Lamp Updates Test (#16) X X ND
Station (Digital) Audits Test (#17) X X ND