Demand test descriptions and error codes - Avaya Support

ATM-EI (Expansion Interface Circuit Pack)
● The fiber between the ATM switch and the ATM-EI is too long (greater than 2 km for
multimode fiber). Use loopback to see if the fiber is corrupting the cells.
● Some other ATM-EI board is not receiving the cells properly.
● The intervening ATM switch is dropping the ATM cells due to a shortage of bandwidth,
or the server is using more than the subscribed bandwidth.
Error Type 771: The ATM switch is sending cells with unknown VPI and VCI address
(wrong connection).
1. Ensure that the address translations are correct.
j. Error Types 1024-1151: These errors represent problems detected by the ATM-EI board in
response to SETUP and ADDPARTY requests from software.
● The Error Types and descriptions are in Table 35: ATM Error Types 1024 - 1151.
● Aux Data values represent PN and Angel numbers and are in Table 36: Error Type
1024-1151 Converted Aux Data Values.
Table 35: ATM Error Types 1024 - 1151 1 of 3
Error
Type
Description General problem
1024 Next node unreachable ATM protocol stack on
ATM-EI3 circuit pack
1056 DTL Transit not my node ID
1 of 3
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