Chapter 4 Troubleshooting and Diagnostics | |
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| AIS | |
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| Internal Loop |
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Figure 4-2. Internal Loop
T1 FDL Support
The following FDL commands are supported:
•Line Loopback (LLB): external loop
•Line Loopback Release: normal state
T1 PRM Support
The T1 module supports PRM message transmission according to the ANSI T1.403 protocol. Messages are transmitted every second.
Diagnostic Tests |