Nortel Networks Option 11C Mini manual Connecting an external alarm, Contacts in Pftu

Models: Option 11C Mini

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Chapter 19 — Connecting an external alarm

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Figure 70

Contacts in PFTU

Normally connected to a

CO trunk

Normally

connected to a telephone

PFT 1 on PFTU

7T (R-O)

7R (O-R)

5T (W-S)

5R (S-W)

8T (R-G)

8R (G-R)

6T (R-BL)

6R (BL-R)

Normally connected to a

trunk line card

Normally connected to a

telephone line card

Option 11C Mini Planning and Installation Guide

Page 281
Image 281
Nortel Networks Option 11C Mini manual Connecting an external alarm, Contacts in Pftu