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Cables and Pin Assignments
V.35 User Data Port Connector
C-4
The following table provides the pin assignments for the 34-position
V.35 connector to the user data terminal equipment.
Signal
Signal Ground/Common
Request to Send ( RTS )
Clear to Send ( CTS )
Data Set Ready ( DSR )
Received Line Signal Detector
( RLSD or LSD )
Data Terminal Ready ( DTR )
Remote Loopback ( RL )
Local Loopback ( LL )
Transmitted Data ( TXD )
Received Data ( RXD )
Transmitter Signal Element Timing –
DTE Source ( XTXC or TT )
Receiver Signal Element Timing –
DCE Source ( RXC )
Transmitter Signal Element Timing –
DCE Source ( TXC )
Test Mode Indicator ( TM )
ITU
Direction
CT #
102
—
105
To DSU (In)
106
From DSU (Out)
107
From DSU (Out)
109
From DSU (Out)
108/1, /2 To DSU (In)
140
To DSU (In)
141
To DSU (In)
103
To DSU (In)
104
From DSU (Out)
113
To DSU (In)
115
From DSU (Out)
114
From DSU (Out)
142
From DSU (Out)
May 1998
34-Pin
Socket
Connector
B
C
D
E
F
H
N
L
P ( A )
S ( B )
R ( A )
T ( B )
U ( A )
W ( B )
V ( A )
X ( B )
Y ( A )
AA ( B )
NN
7520-A2-GB20-20
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