V.35
C–27
Table C–16. DCE V.35 Pin Assignments
MCS
Network
26-Pin
Description
Function
34-Pin
1
Protective ground
FG
A
2
Transmitted data A to HSD interface
TD (A)
P
11
Transmitted data B to HSD interface
TD (B)
S
3
Received data A from HSD interface
RD (A)
R
12
Received data B from HSD interface
RD (B)
T
4
Request to send
RTS
C
5
Clear to send
CTS
D
6
Data set ready
DSR
E
7
Signal ground
SG
B
8
Received line signal detector
RLSD
F
9
Data terminal ready
DTR
H
10
Local test
LT
K
19
Serial clock A transmit
SCT (A)
Y
20
Serial clock B transmit
SCT (B)
AA
21
Serial clock A receive
SCR (A)
V
22
Serial clock B receive
SCR (B)
X
23
Serial clock A transmit external
SCTE (A)
U
24
Serial clock B transmit external
SCTE (B)
W
The remaining pins are not used.