
1100 Series DAD and MWD Reference Manual 259
Introduction to the Detector 6
RS-232C
The RS-232C connector is used to control the instrument from a computer
through RS-232C connection, using the appropriate software. This connector
can be activated by the configuration switch module next to the GPIB
connector.
The RS-232C is designed as DCE (Data Communication Equipment) with a
9-pin male SUB-D type connector. The pins are defined as follows:
8 STOP (L) Request to reach system ready state as soon as possible (for
example, stop run, abort or finish and stop injection). Receiver is
any module performing run-time controlled activities.
9 START REQUEST (L) Request to start injection cycle (for example, by start key on
any module). Receiver is the autosampler.
Table 3 8 Remote Signal Distribution, continued
Pin Signal Description
Table 3 9 RS-232C Connection Table
Pin Direction Function
1InDCD
2InRxD
3OutTxD
4 Out DTR
5Ground
6InDSR
7OutRTS
8InCTS
9InRI
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