Connector and Cable Diagrams (Pinout Charts)
Lead and Color Designations
776
SI Installation and Upgrades
June 2004
The wire colors in this chart apply only to B25A and A25B cables. H600-307 cable colors are not shown.
The following wire colors apply to this chart:
The following abbreviations apply for all circuit packs unless otherwise noted
Lead and Color Designations
V-BR
49
LBAC
K2
TXT12
PXT12
BR-V
24
LBAC
K1
TXR12
PXR12
V-S
50
S-V
25
Color
Con-
nector
Pin Nos
CO
Trunk
3-wire
DID/
DIOD
Trunk
Tie
Trunk
DS1
Tie
Trunk
ISDN
BRI
Line 4-
wire
ISDN
BRI
Line 2-
wire
Packet
Data
Line
4 Port
DIOD
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W
White
S
Slate (Grey)
BL
Blue
R
Red
O
Orange
BK
Black
G
Green
Y
Yellow
BR
Brown
V
Violet
T,R
PBX transmit voice
T
Tip
(A)
Green
T1,R1
PBX receive voice
R
Ring
(B)
Red
M
PBX transmit signal
S
Sleeve
E
PBX receive signal
PX
PBX transmit
TX
Terminal transmit
LI, LI*
Digital Trunk IN
LO, LO*
Digital Trunk OUT
Cross-Connect
Pin Color
Amphenol
Pin
Backplane
Pin
1
W-BL
26
102
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