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INSTALLATION
4-Pair Cable Terminations
Each 4-pair cable supports one station (Figure 2-28). It connects to a wiring
block on a 858A Adapter.
1.
2.
3.
4.
5.
6.
Run the 4-pair cable through the rings at the top of the 617A Panels.
Cut down the leads starting with Pin 1 of the wiring block located
beside the modular jack (Figure 2-28).
Wiring Block
DIW Cable
Pin No.
Color Code
1
W-BL
2
BL-W
3
W-O
4
O-W
5
W-G
6
G-W
7
W-BR
8
BR-W
Using a felt-tipped pen, record the building wiring destination on the
wiring block caps.
Repeat the process until all of the 4-pair building cables are
connected to the SIP. Some spare adapters should be left on the
SIP to accommodate growth.
Feed the six cables for each adapter into the two purse lock clips at
the adapter. Twist the clips closed.
Document the connections you have made on the Voice and Data
Station Records Form (Figure 2-26).
2-64