V.35 interface, Appendix e: connector pinouts, Figure e-2 – ADTRAN ISU 128 User Manual
Page 132: Table e-c
Appendix E: Connector Pinouts
61202.029L2-1
ISU 128 User Manual
117
Figure E-2
V.35 Interface
Table E-C
V.35 Interface
Pin
Name
I/O
Description
A
Shield
I/O
Shield for cable
B
SG
I/O
Signal Ground
C
RTS
I
Request To Send
D
CTS
O
Clear To Send
E
DSR
O
Data Set Ready
F
CD
O
Carrier Detect
H
DTR
I
Data Terminal Ready
J*
RI
O
Ring Indicator
P
SD-A
I
Send Data
R
RD-A
O
Receive Data
S
SD-B
I
Send Data (return)
T
RD-B
O
Receive Data (return)
U
TC-A
I
External Transmit Clock
V
RC-A
O
Receive Clock
W
TC-B
I
External Transmit Clock (return)
X
RC-B
O
Receive Clock (return)
Y
ST-A
O
Send Timing
AA
ST-B
O
Send Timing (return)
K,L
NC
N/A
No Connection
M,N
NC
N/A
No Connection
BB
NC
N/A
No Connection
CC
NC
N/A
No Connection
DD
NC
N/A
No Connection
EE
NC
N/A
No Connection
FF
NC
N/A
No Connection
HH
NC
N/A
No Connection
JJ
NC
N/A
No Connection
KK
NC
N/A
No Connection
LL
NC
N/A
No Connection
MM
NC
N/A
No Connection
NN NC
N/A
No
Connection
*Pin J (ring indicator) is needed for most video conferencing applications.
I= Input, O= Output, N/A= Not Applicable
V .35
A
B
C
D
E
F
J
L
R
V
Z
DD
JJ
NN
N
T
X
BB
FF
LL
K
P
U
Y
CC
HH
MM
H
S
W
AA
EE
KK
M