Monitor Dti/Pri Operation - Nortel Communication Server 1000S Maintenance Manual

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Monitor DTI/PRI operation

Maintenance messages
553-3001-517 Standard 2.00
1.5 Mb DTI/PRI maintenance
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 26. Additional information on
PRI and DCH messages can be found in the Software Input/Output: System
Messages (553-3001-411).
Table 26
Maintenance messages
Message
DTA
DTC
DTI
PRI
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
September 2004
Meaning
Digital Trunk Alarms (Resident Monitor)
Resident CC Monitor
Digital Trunk Interface and CC (LD60)
Primary Rate Interface