Nortel Networks Option 11C Mini ユーザーズマニュアル
Chapter 19 — Connecting an external alarm
Page 281 of 332
Option 11C Mini
Planning and Installation Guide
Figure 70
Contacts in PFTU
Contacts in PFTU
8T (R-G)
8R (G-R)
6T (R-BL)
6R (BL-R)
7T (R-O)
7R (O-R)
5T (W-S)
5R (S-W)
Normally
connected
to a
CO trunk
Normally
connected
to a
telephone
Normally
connected
to a
trunk line card
Normally
connected
to a
telephone line card
PFT 1 on PFTU