Verilink AS100 (896-502379-001) Product Manual - Manual (Page 106)

C-2 Access System Centum Series User Manual
Cables for External Timing
The figures in this section describe the crossover cabling necessary to
support a V.35 and an RS-422A Serial Port #1 with External timing. Note
that the cables are not symmetrical.
The Centum Series units have female connectors and, therefore, the cable
connectors are always male at the Centum Series end. They will also be
male at the customer end unless specified otherwise.
V.35 Serial Port
Cabling 458-501776- 0 1 5 V.35 cross-over cable. M-series, 34-pin male
connectors at both ends. Fifteen feet long. Optional at extra cost.
Figure C-1 V.35 Serial Port #1 Cabling for External Timing
Centum Series V.35 Seria
Port
Pin Assignments
Customer V.35 DCE
Pin Assignments
M-Series
34-pin
Signal Signal
M-Series,
34-pin
Y TXC-A TXC-A Y
V RXC-A RXC-A V
U Ext. TXC-A Ext. TXC-A U
P TXD-A TXD-A P
AA (a) RXD-A RXD-A R
R TXC-B TXC-B AA (a)
X RXC-B RXC-B X
W Ext. TXC-B Ext. TXC-B W
S TXD-B TXD-B S
T RXD-B RXD-B T
C RTS RTS C
F DCD DCD F
D CTS CTS D
H DTR DTR H
E DSR DSR E
B GROUND GROUND B
x x
x
x
x x
x
x
x x