Preparing the Site for the VCN Access Concentrator 25
Figure 9 VCN Access Point Punch-Down Block Installation with a Patch Panel
The installed patch panel must have 48 wire conn ectors - two for each
port.
Installing the VCN
Access Point
Punch-Down Block
Without a Patch
Panel
To install the VCN AP punch-down block in the absence of a patch panel,
perform the following steps:
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
VCN Access Point
(VCNAP)
Room
Basement
Wire pair not
connected
to VCN AP
Wire pair
connected
to VCN AP
Punch-Down Blocks
Patch Panel
24 wire pairs 24 wire pairs
PBX
TO PBXFROM VCNAP
VCN AP punch-down
block
PBX punch-down
block
Extension 1 Extension 2
4-wire cable
Ext. 1
+ Data
Ext. 2
Ext. 1
Ext. 1, Ext. 2
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.