A. Connectors, Cables, and Pin Assignments
4821-A2-GN20-00
April 2002
A-9
Table A-6.
V.35 Cable Interface
Signal
ITU-T
Number
Direction
Pin
Shield
—
—
A
Signal Common
102
—
B
Transmitted Data
103
To DSU/CSU
P (A)
S (B)
Received Data
104
From DSU/CSU
R (A)
T (B)
Request to Send
105
To DSU/CSU
C
Clear to Send
106
From DSU/CSU
D
Data Channel Received Line Signal Detector
109
From DSU/CSU
F
Data Set Ready
107
From DSU/CSU
E
Data Terminal Ready
108/1, /2
To DSU/CSU
H
Transmit Signal Element Timing (DTE Source)
113
To DSU/CSU
U (A)
W (B)
Transmit Signal Element Timing (DCE Source)
114
From DSU/CSU
Y (A)
AA (B)
Receiver Signal Element Timing (DCE Source)
115
From DSU/CSU
V (A)
X (B)
Local Loopback
141
To DSU/CSU
L
Loopback/Maintenance
140
To DSU/CSU
N
Test Indicator
142
From DSU/CSU
NN