Appendix B. Connector Pinouts

Control-Out/Chain-Out

This is used to connect to another TDU/TSU family mul- tiplexer chain-in connector. See Table B-4 for the pinout for the chain-out connector.

 

 

Table B-4. Chain-Out Pinout

 

 

 

Pin

Name

Description

 

 

 

1

GND

Ground - connected to unit chassis.

 

 

 

2

UNUSED

 

 

 

 

3

TX DATA

Data transmitted to chained units by the

 

 

TDU 120e. Connect to RX DATA of the next

 

 

unit (chain-in pin 3).

 

 

 

4

UNUSED

 

 

 

 

5

RX DATA

Data received from chained units by the

 

 

TDU 120e. Connect to TX DATA of the next

 

 

unit (chain-in pin 5).

 

 

 

6,7,8

UNUSED

 

 

 

 

61202156L2-1

TDU 120e User Manual

B-3

Page 127
Image 127
ADTRAN TDU 120e user manual Control-Out/Chain-Out, Table B-4. Chain-Out Pinout