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Control In/Chain In
61200.129L1-1
This is used as an RS-232 port for connection to a
computer or modem (Control In) or to another TSU
120 (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
PIN
NAME
1
GND
2
RTS
3
RXDATA
4
UNUSED
5
TXDATA
6,7
UNUSED
8
CTS
TSU 120 User Manual
Chapter 2. Installation
AMP# 555164-2
Control In/Chain In Pinout
DESCRIPTION
Ground - Connected to unit chassis
Request to send - Flow control
Data received by the TSU 100
Data ransmitted by the TSU 100
Clear to send - Flow control
Table 2-B
2 7
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