ACCULINK 336x E1 NTU

Table D-8

X.21 Cable Interface

Signal

CCITT

Direction

Pin

Number

 

 

 

 

 

 

 

Signal Common

102

Ð

8

 

 

 

 

Transmitted Data

103

To NTU

2 (A)

 

 

 

9 (B)

 

 

 

 

Received Data

104

From NTU

4 (A)

 

 

 

11 (B)

 

 

 

 

Request-to-Send

105

To NTU

3 (A)

 

 

 

10 (B)

 

 

 

 

Data Channel Received Line Signal Detector

109

From NTU

5 (A)

 

 

 

12 (B)

 

 

 

 

Transmit Signal Element Timing (DTE Source)

113

To NTU

7 (A)

 

 

 

14 (B)

 

 

 

 

Receiver Signal Element Timing (DCE Source)

115

From NTU

6 (A)

 

 

 

13 (B)

 

 

 

 

D-12

December 1996

3360-A2-GB20-20

Page 127
Image 127
Paradyne 336x E1 manual Table D-8 Cable Interface Signal