BRI-PORT (ISDN-BRI Port), ABRI-PORT (ASAI
ISDN-BRI Port)
Issue 4 May 2002
10-269 555-233-123
This section covers the maintenance documentation for ISDN-BRI ports. Some of
the results of maintenance testing of ISDN-BRI ports may be affected by the
health of the ISDN-BRI Line circuit pack (BRI-BD), BRI endpoint (BRI-SET), or
ASAI adjunct (ASAI-AJ/LGATE-AJ) or Avaya adjunct (ATT_AJ/ATTE-AJ). These
interactions should be kept in mind when investigating the cause of ISDN-BRI port
problems. For more information on the circuit pack and endpoints, refer to the
BRI-BD (ISDN-BRI Line Circuit Pack) Maintenance documentation, the BRI-SET
(ISDN-BRI Endpoint) Maintenance documentation, and ASAI-AJ (Adjunct-Switch
Application Interface) Maintenance documentation, ATT-AJ (Avaya Adjunct)
Maintenance documentation, LGATE-AJ (Ethernet Adjunct-Switch Application
Interface) Maintenance documentation, and ATTE-AJ (Ethernet Avaya Adjunct)
Maintenance documentation.
Figure 10-6. ISDN-BRI Port Interactions
D-channel
B-channel
B-channel
Logical connection
Physical connection
Voice or
data terminal
Voice or
data terminal
bripor1 LJK 072501
Switch
BRI line
circuit pack
Port
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