Specifications

IPmux-4 Installation and Operation Manual Chapter 4 Troubleshooting and Diagnostics

Diagnostic Tests 4-5

PBX

AIS IPmux-4

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.

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