AT&T 518-600-016 manual Standard 4-PAIR Wiring

STANDARD 4-PAIR WIRING

If you are wiring for 4-pair using a 66-type block, review the diagram in Figure 2-8.Notice that the wiring for the additional voice pair (the even-numbered jack) terminates in the same place on the building wiring block as the wiring for the odd-numbered jack. The brand Rex adapter (BR 866-JC) attaches to the block over all four pairs and provides a modular jack for a connection to the control unit.

2-30 Wiring the System