A ppendix B. Connector Pinouts

Control In/ Chain In

This is used an as EIA-232 port for connection to a computer or modem (Control In) or to another ESU 120e for TSU 100 (Chain In). See Table B-2 for the pinout of the control/chain-in connector.

Connections

The chain-in connections are as follows:

Connector type

RJ-48

Part Number

 

AMP# 555164-2

Table B-2. Control In/ Chain-in Pinout

 

 

 

 

Pin

Name

 

Description

 

 

 

1

GND

Ground-connected to unit chassis

 

 

 

2

R TS

R equest to send - flow control

 

 

 

3

R XDA TA

Data received by the ESU 120e

 

 

 

 

4

UNUSED

 

 

 

 

 

5

TXDA TA

Data transmitted by the ESU 120e

 

 

 

 

6, 7

UNUSED

 

 

 

 

 

8

CTS

Clear to send - flow control

 

 

 

 

B-2

ESU 120e User Manual

61200420L1-1

Page 102
Image 102
ADTRAN ESU 120e Connector type RJ-48 Part Number AMP#, Table B-2. Control In/ Chain-in Pinout, Pin Name Description