Cables and Pin Assignments

DTE V.35 Connector

The following table provides the pin assignments for the 34-position

V.35 connector to the DTE.

Signal

ITU CT#

Direction

34-Pin Socket Connector

Signal Ground/Common

102

Ð

B

 

 

 

 

Request to Send (RTS)

105

To DSU/CSU (In)

C

 

 

 

 

Clear to Send (CTS)

106

From DSU/CSU

D

 

 

(Out)

 

 

 

 

 

Data Set Ready (DSR)

107

From DSU/CSU

E

 

 

(Out)

 

 

 

 

 

Received Line Signal Detector

109

From DSU/CSU

F

(RLSD or LSD)

 

(Out)

 

 

 

 

 

Data Terminal Ready (DTR)

108/1, /2

To DSU/CSU (In)

H

 

 

 

 

Remote Loopback (RL)

140

To DSU/CSU (In)

N

 

 

 

 

Local Loopback (LL)

141

To DSU/CSU (In)

L

 

 

 

 

Transmitted Data (TXD)

103

To DSU/CSU (In)

P (A)

 

 

 

S (B)

 

 

 

 

Received Data (RXD)

104

From DSU/CSU

R (A)

 

 

(Out)

T (B)

 

 

 

 

Transmitter Signal Element Timing Ð

113

To DSU/CSU (In)

U (A)

DTE Source (XTXC or TT)

 

 

W (B)

 

 

 

 

Receiver Signal Element Timing Ð

115

From DSU/CSU

V (A)

DCE Source (RXC)

 

(Out)

X (B)

 

 

 

 

Transmitter Signal Element Timing Ð

114

From DSU/CSU

Y (A)

DCE Source (TXC)

 

(Out)

AA (B)

 

 

 

 

Test Mode Indicator (TM)

142

From DSU/CSU

NN

 

 

(Out)

 

 

 

 

 

7112-A2-GB20-20

March 1998

E-5

Page 143
Image 143
Paradyne 7112 manual DTE V.35 Connector, Signal, Direction Pin Socket Connector