3Com DIA3CV1100-02 manual AC punch-down block and VCN AP punch-down blocks

Preparing the Site for the VCN Access Concentrator 11

CAUTION: Installation should be performed only by a qualified technician

The VCN AP punch-down block, which carries both data and voice, can be connected to an optional patch panel, which connects the circuits between the VCN AC and punch-down blocks.

If there is no patch panel, the VCN AC unit connects directly to the VCN

AC punch-down block and VCN AP punch-down blocks.

The VCN AC unit should be installed at the PBX punch-down block location, usually in the basement or wiring closet of a building.

The unit is installed in a 19-inch rack along with the Ethernet switch and an optional patch panel.

There are two methods for installing the Visitor and Community Network system:

■With a patch panel.

■Without a patch panel.

Installing the VCN To install the VCN AP punch-downblock when there is a patch panel, Access Point perform the following steps:

Punch-down Block with a Patch Panel

1Select the wire pairs according to their position in the RJ-11 telephone connector in the rear of the VCN AP. The two outside wires comprise the outer wire pair and the two inside wires comprise the inner wire pair, as shown in Figure 4 and Figure 5.

Where there is only one telephone line in a room, the two wires are connected to the inner wire pair of the phone connector shown in Figure 4 and Figure 5. The outer wire pair of the phone connector is not used.

■ The inner wire pair carries both voice and digital date.