AT&T 6386 WGS, Installation And Maintenance Manual

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Connecting Voice and Data Lines
Voice lines must be connected to the IVP4 board(s) and data lines must be
connected to the DCP board if it is used.
Connecting the IVP Voice Lines
Each IVP4 board has two 6-position jacks. Each of these
modular jacks is used to connect two voice lines. The top jack is used
for line pairs 1 and 2. The bottom jack is used for line pairs 3 and 4.
The wiring is shown in Figure 2-39.
FIGURE 2-39 IVP4 Board Connectors
If the lines pairs are run individually, type 884A adapter may be used to
consolidate the four individual line pairs into two pairs in each of
two cables.
WARNING
There is a magnet on the back of the 884A adapter. Be sure that
you do not place this near the hard disk drive or floppy disks.
If the line pairs are run two per jack, use two RJ11 type cables.
2-52 Hardware Installation and Maintenance