ADTRAN TDU 120e user manual Base DS-1 PBX

Models: TDU 120e

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Appendix B. Connector Pinouts

Base DS-1 (PBX)

On the rear of the TDU 120e are two connectors labeled DS-1. These connectors are used for connecting to a PBX or other terminal equipment.

See Table B-7 for the pinout of the 8-pin modular connec- tor and Table B-8 on page B-7 for the pinout of the female 15-pin D-Connector.

Table B-7. Base DS-1 Pinout of the 8-Pinout Modular Connector

Pin

 

Name

Description

 

 

 

 

1

R1

TXDATA-RING

Sends data toward the DTE (PBX)

 

 

 

 

2

T1

TXDATA-TIP

Sends data toward the DTE (PBX)

 

 

 

 

3

 

UNUSED

 

 

 

 

 

4

R

RXDATA-RING

Receives data from the DTE (PBX)

 

 

 

 

5

T

RXDATA-TIP

Receives data from the DTE (PBX)

 

 

 

 

6, 7, 8

 

UNUSED

 

 

 

 

 

B-6

TDU 120e User Manual

61202156L2-1

Page 130
Image 130
ADTRAN TDU 120e user manual Base DS-1 PBX