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IPmux-1/1E Installation and Operation Manual

Chapter 4 Troubleshooting and Diagnostics

Diagnostic Tests

4-5

IPmux-1

ISDN S

Figure 4-4. IPmux-1E/BRI Internal Loop

➤

To run a loopback test:

• Press the <Spacebar> on your keyboard to toggle between the values:

Internal/External /Disable

− Internal: Data received from the IP network side is looped back to the

network transmit line.

− External: Data received from the PBX at the receive ISDN S line is looped

back to the ISDN S Tx path (toward the same PBX). Data coming from the
IP network is ignored.

− Disable: No loopback. Regular operation.

Default value: Disable

FXS

Remote Loopback

You can set a remote loopback analog signal, per port, in IPmux-1E with FXS

interface. The analog signal is looped back towards the IP network.

Tone Injection

A 1 kHz tone, per port, is injected towards the local telephone set.

➤

To run a test:

• Press the <Spacebar> on your keyboard to toggle between the values:

Remote Loopback/Tone Injection/Disable

Default value: Disable

Main Menu

↓

2. Configuration

↓

2. ISDN
Configuration

↓

3. Channel

Configuration

↓

1. Choose
Channel

↓

3. Loopback

State

Main Menu

↓

2. Configuration

↓

2. ISDN
Configuration

↓

3. Channel

Configuration

↓

1. Choose
Channel

↓

5. Testing

Order from: Cutter Networks

Ph:727-398-5252/Fax:727-397-9610