16
V.35 FOLD
Appendix A
V.35 Pin Assignments
Lead
Flow
Name
DB25 Pin
M-block Pin
Transmitted data
In
TDA
2
P
TDB
14
S
TX data clock
Out
TCA
15
Y
TCB
12
AA
Received data
Out
RDA
3
R
RDB
16
T
Remote TX clock
In
ETCA
24
U
ETCB
11
W
Signal Detect
Out
DCD
8
F
Request to Send
In
RTS
4
C
Clear to Send
Out
CTS
5
D
Signal Ground
In/Out
SG
7 or 23
B
Protective Ground
In/Out
FG
1
A
Data Set Ready
Out
DSR
6
E
RX Data Clock
Out
RCA
17
V
RCB
9
X
RX data clock
Out
RCA
17
V
RCB
9
X