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Communication Manager Maintenance-Object Repair Procedures
1914 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 below. Clearing Error Codes associated with the one
test may also clear errors generated from other tests in the sequence.
Ring generator interchange test (#1539)
The ring generator interchange test causes a temporary interchange and is only used if the
G650 has redundant power supplies. This test sends a command to the primary power supply in
slot 0 to turn off ringing voltage, the ring arbitration lead changes state, and the secondary
power supply in slot 15 provides ringing voltage to the backplane. The ring detection circuit for
the secondary power supply is checked to verify that the secondary power supply is providing
ringing voltage.
A command is sent to the primary power supply to apply ringing and the ring arbitration lead
changes back to allow the primary power supply to provide ringing voltage. The ring voltage
detection circuit on the primary power supply is checked to verify that the primary supply is
applying ring voltage.
The long test sequence causes a ring interchange. However, the short test, which is the default,
does not cause a ring interchange.
Order of investigation Short test
sequence
Long test
sequence
D/ND
Ring Generator Interchange Test (#1539) — X Nondestructive
Ring Generator Status Test (#1540) X X Nondestructive
Table 702: Test #1539 Ring generator interchange
Error
Code
Test
result
Description and recommendation
1000 ABRT This is an internal system error.
1. Retry the command at 1-minute intervals up to 5 times.
1035 ABRT The port network is not available.
1. Verify that the port network is not available by using the status
port-network command
1990 ABRT Both power supplies in the carrier are turned off.
1 of 2