Chapter 2. Installation

Control In/Chain-in

This is used as an RS-232 port for connection to a computer or modem (Control In) or to another TSU 600 or TSU 100 (Chain-in). See Table 2-B for the pinout for the control/chain-in connector.

Connections

The chain-in connections are as follows:

Connector type

RJ-48

Part number

AMP# 555164-2

 

 

Table 2-B

 

 

Control In/Chain-in Pinout

 

 

 

PIN

NAME

DESCRIPTION

 

 

 

1

GND

Ground - connected to unit chassis

 

 

 

2

RTS

Request to send - flow control

 

 

 

3

RXDATA

Data received by the TSU 600

 

 

 

4

UNUSED

 

 

 

 

5

TXDATA

Data transmitted by the TSU 600

 

 

 

6,7

UNUSED

 

 

 

 

8

CTS

Clear to send-flow control

 

 

 

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TSU 600 User Manual

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ADTRAN TSU 600 user manual Control In/Chain-in, Gnd