E. Connectors, Cables, and Pin Assignments

DTE Port 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

 

 

 

 

Shield

101

A

 

 

 

 

Signal Ground/Common (SG)

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

 

 

 

 

Receive Line Signal Detector

109

From DSU (Out)

F

(RLSD or LSD)

 

 

 

 

 

 

 

Data Terminal Ready (DTR)

108/1, /2

To DSU (In)

H

 

 

 

 

Local Loopback (LL)

141

To DSU (In)

L

 

 

 

 

Transmit Data (TXD)

103

To DSU (In)

P (A)

 

 

 

S (B)

 

 

 

 

Receive Data (RXD)

104

From DSU (Out)

R (A)

 

 

 

T (B)

 

 

 

 

Transmit Signal Element Timing –

113

To DSU (In)

U (A)

DTE Source (XTXC or TT)

 

 

W (B)

 

 

 

 

Receive Signal Element Timing –

115

From DSU (Out)

V (A)

DCE Source (RXC)

 

 

X (B)

 

 

 

 

Transmit Signal Element Timing –

114

From DSU (Out)

Y (A)

DCE Source (TXC)

 

 

AA (B)

 

 

 

 

Test Mode Indicator (TM)

142

From DSU (Out)

NN

 

 

 

 

9128-A2-GB20-80

September 2002

E-11

Page 433
Image 433
Paradyne 9126-II, CSU, DSU, 9128-II manual DTE Port Connector, Direction Pin Socket