CALLMASTER®

IV Voice Terminal User and Installation Instructions

viii

Wiring Information

A Voice Terminal Line Jack

For more information about wiring, see the section on “DCP Line Interface” in the next

portion of this booklet.

MODULAR WALL JACK WIRING
PIN PAIR COLOR DESCRIPTION
1 2 W-O 4-Wire Output
2-Wire (Rec Output)
2 2 O-W 4-Wire Output
2-Wire (Rec Output)
3 3 W-G 4-Wire Input
2-Wire (Not Used)
4 1 W-BL 2-Wire (Tip)
4-Wire (Rec Output)
5 1 BL-W 2-Wire (Ring)
4-Wire (Rec Output)
6 3 G-W 4-Wire Input
2-Wire (Not Used)
74 W-BR Adjunct Power –48 vdc
8 4 BR-W Adjunct Power Common
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