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BRI-PORT (ISDN-BRI Port), ABRI-PORT (ASAI
ISDN-BRI Port)
Issue 4 May 2002
10-279
555-233-123
The dotted lines in
show how a Loop Around Test is performed for the
B-channels. The figure shows a terminal connected to a BRI line board using a
TN556. If a TN2198 is used, the terminal would be connected to a NT1, and the
NT1 to the BRI board.
Figure 10-8.
Path of the BRI Port Local TDM Loop Around
Tone
Generator
Tone
Detector
BRI Line
Board
TDM Bus
Summary of Contents for Definity SI
Page 1: ...0DLQWHQDQFH IRU YD D 1 7 6HUYHU 6 Volumes 1 2 and 3 555 233 123 Issue 4 May 2002...
Page 62: ...Maintenance Architecture 555 233 123 1 26 Issue 4 May 2002...
Page 92: ...Management Terminals 555 233 123 3 26 Issue 4 May 2002...
Page 204: ...Routine Maintenance Procedures 555 233 123 5 100 Issue 4 May 2002...
Page 250: ...LED Interpretation 555 233 123 7 10 Issue 4 May 2002...
Page 2804: ...Maintenance Object Repair Procedures 555 233 123 10 2018 Issue 4 May 2002...