3Com SuperStack II 32x, Installation Manual

Page: 31 / 76

Connectors and Cables 2-9
Serial Cables The following cables can be used with the serial port connectors.
V.35 to V.35 DCE Cable (32x)
This straight-through cable connects the V.35 port on a bridge/router to
a standard V.35 DCE device.
Figure 2-6 V.35 Straight-Through Cable
3Com does not sell this cable.
B F L R V Z DD JJ NN
D J N T X BB FF LL
C H M S W A EE KK
A E K P U Y CC HH MM
B F L R V Z DD JJ NN
D J N T X BB FF LL
C H M S W A EE KK
A E K P U Y CC HH MM
Name Abbr Pin Pin Abbr Name
V.35 male connector V.35 male connector
To V.35 port on bridge/router To DCE
FG
SG
RTS
CTS
DSR
RLSD
DTR
SD+
RD+
SD-
RD-
SCTE+
SCR+
SCTE-
SCR-
SCT+
SCT-
FG
SG
RTS
CTS
DSR
RLSD
DTR
SD+
RD+
SD-
RD-
SCTE+
SCR+
SCTE-
SCR-
SCT+
SCT-
Frame Ground
Signal Ground
Request to Send
Clear to Sent
Data Set Ready
Receive Line Signal Detect
Data Terminal Ready
Send Data (A)
Receive Data (A)
Send Data
Received Data (B)
Serial clock Transmit External (A)
Serial Clock Receive (A)
Serial clock Transmit External (B)
Serial Clock Receive (B)
Serial Clock Transmit (A)
Serial Clock Transmit (B)
Frame Ground
Signal Ground
Request to Send
Clear to Sent
Data Set Ready
Receive Line Signal Detect
Data Terminal Ready
Send Data (A)
Receive Data (A)
Send Data
Received Data (B)
Serial Clock Transmit External (A)
Serial Clock Receive (A)
Serial Clock Transmit External (B)
Serial Clock Receive (B)
Serial Clock Transmit (A)
Serial Clock Transmit (B)
A
B
C
D
E
F
H
P
R
S
T
U
V
W
X
Y
AA
A
B
C
D
E
F
H
P
R
S
T
U
V
W
X
Y
AA
SS2TRHWBook Page 9 Monday, May 5, 1997 3:11 PM