AT&T 75 Wiring Manual page 154

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Z100-TYPE HARDWARE
Voice Terminal Installation
19.
Connect voice terminals to the information outlets.
20.
Install patch cords at cross-connect field.
Install self-stick labels on connector modules.
21.
Installation—Optional DID Make-Busy Trunk
1. Run and connect jumper from one DID make-busy lead to COM3 terminal on EM
XR terminal row (see Figure 2-90).
2. Run and connect jumper the other DID make-busy circuit lead to NC3 terminal
(first appearance) on EM XR terminal row.
2-128

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