Cables and Pin Assignments

C-3

7510-A2-GB20-10 November 1997
V.35 User Data Port Connector
The following table provides the pin assignments for the 34-position
V.35 connector to the User Data terminal equipment.
Signal ITU CT
Number Direction
34-Pin
Socket
Connector
Signal Ground/Common 102 — B
Request to Send (RTS) 105 To DSU (In) C
Clear to Send (CTS) 106 From DSU (Out) D
Data Set Ready (DSR) 107 From DSU (Out) E
Received Line Signal Detector
(RLSD or LSD) 109 From DSU (Out) F
Data Terminal Ready (DTR) 108/1, /2 To DSU (In) H
Remote Loopback (RL) 140 To DSU (In) N
Local Loopback (LL) 141 To DSU (In) L
Transmitted Data (TXD) 103 To DSU (In) P (A )
S (B)
Received Data (RXD) 104 From DSU (Out) R (A)
T (B)
Transmitter Signal Element Timing –
DTE Source (XTXC or TT) 113 To DSU (In) U (A )
W (B)
Receiver Signal Element Timing –
DCE Source (RXC) 115 From DSU (Out) V (A)
X (B)
Transmitter Signal Element Timing –
DCE Source (TXC) 114 From DSU (Out) Y (A)
AA (B)
Test Mode Indicator (TM) 142 From DSU (Out) NN