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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:
Table B-2. Control In/ Chain-in Pinout
Pin
1
2
3
4
5
6, 7
8
B-2
Connector type
Part Number
Name
GND
Ground-connected to unit chassis
R TS
R equest to send - flow control
R XDA TA
Data received by the ESU 120e
UNUSED
TXDA TA
Data transmitted by the ESU 120e
UNUSED
CTS
Clear to send - flow control
ESU 120e User Manual
RJ-48
AMP# 555164-2
Description
61200420L1-1
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