3Com DIA3CV1100-02 manual Repeat through for up to 24 telephone lines

Preparing the Site for the VCN Access Concentrator 15

Figure 9 VCN Access Point Punch-down Block Installation without a Patch Panel

Extension 1

W ire pair connected to VCNAP

W ire pair not connected to VCNAP

Ext. 1
+ D ata	Punch-Down Blocks

VCNAP punch-down

block

Extension 2

V C N A P

Ext. 2

PBX

PBX punch -down

block

R o om

B asem ent

Note: If there is only one extension in the room, the wires for the second extension are not used and not connected to the PBX punch down block.

4Repeat step 1 through step 3 for up to 24 telephone lines.

The VCN AP and PBX punch-down blocks must each have an RJ-21 connector.