1
P
2
2
TD_A
2
U
N/A
24
ETC_A
3
Y
N/A
15
TCLK_A
4
V
6
17
RCLK_A
5
R
4
3
RD_A
6
F
N/A
8
DCD_A
7
H
N/A
20
DTR_A
8
C
3
4
RTS_A
9
N/A
10
19
RTS_B (V.11 only)
10
N/A
12
13
CTS_B (V.11 only)
11
D
5
5
CTS_A
12
E
N/A
6
DSR_A
13
K
N/A
25
TM_A
14
S
9
14
TD_B
15
W
N/A
11
ETC_B
16
AA
N/A
12
TCLK_B
17
X
13
9
RCLK_B
18
T
11
16
RD_B
19-25
N/A
N/A
N/A
Unused
26
B
8
7
Ground
NetVanta
3200/3300/3400
Series
84
Copyright © 2019 ADTRAN, Inc.
61200860L1-34AE
Table A-14. Serial to Cable Connector Pinouts
Serial
Pin
V.35
Pin
X.21
Pin
EIA 530
Pin
Name