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Page 240 of 332 Chapter 17 — Connecting the telephones
553-3021-209 Standard 3.00 April 2000
PFT 2
9T
9R
R-BR
BR-R
Connect to the telephone
10T
10R
R-S
S-R
Connect to the telephone
line card
11T
11R
BK-BL
BL-BK
Connect to the central
office trunk
12T
12R
BK-O
O-BK
Connect to the trunk line
card
PFT 3
13T
13R
BK-G
G-BK
Connect to the telephone
14T
14R
BK-BR
BR-BK
Connect to the telephone
line card
15T
15R
BK-S
S-BK
Connect to the central
office trunk
16T
16R
Y-B L
BL-Y
Connect to the trunk line
card
PFT 4
17T
17R
Y- O
O-Y
Connect to the telephone
18T
18R
Y- G
G-Y
Connect to the telephone
line card
19T
19R
Y- B R
BR-Y
Connect to the central
office trunk
20T
20R
Y- S
S-Y
Connect to the trunk line
card
PFT 5
21T
21R
V-BL
BL-V
Connect to the telephone
22T
22R
V-O
O-V
Connect to the telephone
line card
23T
23R
V-G
G-V
Connect to the central
office trunk
24T
24R
V-BR
BR-V
Connect to the trunk line
card
Table 50
Power Failure Transfer Unit connections (Continued)