3Com DIA3CV1100-02 manual The outer wire pair carries only voice

12Visitor and Community Network Access Concentrator Installation Guide

■The outer wire pair carries only voice.

Figure 4 VCN Access Point Rear Panel

P H O N E L IN E D C -IN

Figure 5 The Four Wires of the Telephone Cable

Inner wire pair

Outer wire pair

2Disconnect the punch-down Krone connector for the inner wire pair from the PBX punch-down block.

The outer wire pair remains connected to the PBX punch-down block since it will not carry data.

3Connect the Krone connector of the inner wire pair to the new VCN AP punch-down block, which has been added.

4Connect another punch-down Krone connector from the VCN AP punch-down block to the back of the patch panel.

5Connect an additional punch-down Krone connector from the patch panel to the PBX punch-down block to carry voice transmissions of the inner wire pair to the PBX.

6Repeat step 1 through step 5 for up to 24 telephone lines. Figure 6 shows the resulting infrastructure.