D. Pin Assignments

Table D-9. 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

109

From DSU/CSU

F

Line Signal Detector

 

 

 

 

 

 

 

Data Set Ready

107

From DSU/CSU

E

 

 

 

 

Data Terminal Ready

108/1, /2

To DSU/CSU

H

 

 

 

 

Transmit Signal Element

113

To DSU/CSU

U (A)

Timing (DTE Source)

 

 

W (B)

 

 

 

 

Transmit Signal Element

114

From DSU/CSU

Y (A)

Timing (DCE Source)

 

 

AA (B)

 

 

 

 

Receiver Signal

115

From DSU/CSU

V (A)

Element Timing (DCE

 

 

X (B)

Source)

 

 

 

 

 

 

 

Local Loopback

141

To DSU/CSU

L

 

 

 

 

Loopback/Maintenance

140

To DSU/CSU

N

 

 

 

 

Test Indicator

142

From DSU/CSU

NN

 

 

 

 

D-12

February 2001

3160-A2-GB21-90

Page 210
Image 210
Paradyne 3160-A3, 3165-A2, 3164-A2, 3161-B3 manual To DSU/CSU Timing DTE Source