Agilent Technologies 6890 Series Service Manual page 678

1210 External Connectors, 6890A and
6890 Plus
Overview
This section show the pinouts for the external connectors on the back of the
Agilent 6890A and 6890 Plus instruments. See section External Connectors,
6890N for the 6890N instrument.
These connectors are used for communications with external instruments.
Back of 6890 GC
Figure 1210-1
Jun 2001
Number Description
1 Signal 1 – Analog output for
1
integrators or A/D converters
2
2 Signal 2 – Analog output for
3
integrators or A/D converters
3/6 Remote start-stop for synchronizing
4
GC, integrators, automatic
samplers, MSD, and other GCs
5
4 Modem – RS-232 for modem,
6
computer, or controller devices
7
5 Sampler-RS-232 for 7673
8
Automatic Liquid Sampler
7 External event contact closures and
24 volt outputs for valve control
8 BCD input for stream selection valves,
9
headspace sampler, or other device
9 GPIB for ChemStation and/or MSD
10
10 Modular Input/Output (MIO) slot
for INET card
6890 GC external connections
Electrical
Agilent 6890 Gas Chromatograph Service Manual
Connector
ID
J1
J2
JP1/JP2
JP1
JP2
J4
J6
J5
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