Monitor DTI/PRI operation
Maintenance messages
The following sections describe the maintenance messages that may appear on the system
maintenance
TTY as a result of DTI or PRI operation.
D-channel status and error conditions are reported as DCH messages. PRI status and error
conditions are shown in
Table 39: Maintenance messages on page 100. Additional information
on PRI and DCH messages can be found in the Avaya Software Input Output Reference -
System Messages (NN43001-712).
Table 39: Maintenance messages
Message Meaning
DTA Digital Trunk Alarms (Resident Monitor)
DTC Resident CC Monitor
DTI Digital Trunk Interface and CC (LD60)
PRI Primary Rate Interface
Message descriptions
Maintenance messages provide near-end and far-end switch status. Both service and service
acknowledge messages are supported on PRI B-channels and ISL
channels.
Service and service acknowledge messages for B-channels and ISL channels are supported
between:
• System to system: ISL and PRI
• System to DMS-100: PRI only
• System to DMS-250: PRI only
• System to AT&T ESS4 and ESS5: PRI only
1.5 Mb DTI/PRI maintenance
100 ISDN Primary Rate Interface Maintenance November 2011
Comments? infodev@avaya.com
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