Demand test descriptions and error codes - Avaya Support

Maintenance Demand Tests
Far-End DS1 Converter Circuit Pack
Loopback Test (#788)
This test is destructive.
This test is executed by the TN574 DS1 Converter circuit pack only. See DS1 Facilities
Connectivity Test (#790) for testing the TN1654 DS1 Converter.
This test starts at the specified DS1 converter circuit pack location and loops all fiber time slots
at the far edge Fiber Optic Interface of the DS1 converter circuit pack at the other end of the
DS1 converter complex. See Figure 107: Far-End DS1 Converter Loopback Configuration.
The test sends digital data through every administered DS1 facility chel. Two different test
patterns are used: hexadecimal values 55 and AA.
For a standard-, duplex-, or high-reliability system (no PNC duplication), this test can only be
executed at the endpoint that is closer to the server relative to the neighbor DS1 converter
circuit pack because of its impact on the system control links, The completion of the test is
delayed in this configuration to wait for the recovery of the system control links. For a
critical-reliability system (PNC duplication), this test can be executed on any DS1 converter
circuit pack. This test runs on the DS1C-BD (DS1 Converter Circuit Pack) maintenance object.
Figure 107: Far-End DS1 Converter Loopback Configuration
Table 450: Far-End DS1 Converter Circuit Pack Loopback Test (#788) 1 of 3
Error
Code
Test
Result
EI
or
SNI
Metallic or Fiber Connection
DS1CONV
A
Test starts here
Network
Description / Recommendation
DS1CONV
B
Metallic or Fiber Connection
Loops here
2000 ABORT Test timed out while waiting for a response from the circuit pack.
1. Retry the command at 1-minute intervals up to 3 times.
1502 Maintenance Alarms for Communication Manager, Media Gateways and Servers
EI
or
SNI
1 of 3