Appendix B Connector Pinouts

WIRING

Network

On the rear of the TDU 120e are two connectors labeled NETWORK. These connectors are used for connecting to the network. See Table B-1 for the pinout for the 8-pin modular connector and Table B-2 on page B-2 for the pi- nout of the male 15-pin D-connector.

Table B-1. Network Pinout of the 8-Pin Modular Connector

Pin

 

Name

Description

 

 

 

 

1

R1

RXDATA-RING

Receives data from the network

 

 

 

 

2

T1

RXDATA-TIP

Receives data from the network

 

 

 

 

3

 

UNUSED

 

 

 

 

 

4

R

TXDATA-RING

Sends data toward the network

 

 

 

 

5

T

TXDATA-TIP

Sends data toward the network

 

 

 

 

6,7,8

 

UNUSED

 

 

 

 

 

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TDU 120e User Manual

B-1

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ADTRAN TDU 120e user manual Appendix B Connector Pinouts, Wiring, Network