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A ppendix B. Connector Pinouts
B-2 ESU 120e User Manual 61200420L1-1
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
Connector type RJ-48
Part Number AMP# 555164-2
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
4UNUSED
5 TXDA TA Data transmitted by the ESU 120e
6, 7 UNUSED
8 CTS Clear to send - flow control