Nortel 1000E Installation And Configuration Manual page 460

Page 460 of 488
Table 62
PFTU connections (Part 3 of 3)
Unit
P
F
T
5
553-3041-210 Standard 4.00
Installing and cross-connecting an external alarm from a PFTU
Pair Color
21T V-BL
21R BL-V
22T V-O
22R O-V
23T V-G
23R G-V
24T V-BR
24R BR-V
September 2007
Normal mode
Makes with 22T and
22R
Makes with 21T and
21R
Makes with 24T and
24R
Makes with 23T and
23R
Failure mode
Opens 22T and 22R
Makes with 23T and 23R
Open
Opens 24T and 24R
Makes with 21T and 21R
Open