AT&T 8403 Betriebsanweisung PDF herunterladen (Seite 15)

Installing Your Voice Terminal

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Figure 1. A Voice Terminal Line Jack

LINE INTERFACE

PIN PAIR NAME DESCRIPTION

1 2 OD1 4-Wire Output

2 2 OD2 4-Wire Output

3 3 ID1 4-Wire Input

4 1 U-T 2-Wire (Tip)

5 1 U-R 2-Wire (Ring)

6 3 ID2 4-Wire Input

7 4 P1- Adjunct Power –48V

8 4 P2+ Adjunct Power Common

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