C-6
Table C-4. Alarm Logging
RS-232 Output
The RS-232 output broadcasts certain information about the Chillgard
RT Gas Monitor (TABLE C-3). This output conforms to the specification
for RS-232 signal levels and is capable of driving its signal up to
200 feet (61 m) when using low capacitance RS-232 cable. See
FIGURE C-1 for
RS-232 connector location.
Connection to the RS-232 output is via a 25-pin sub "D" female
connector. See FIGURE C-2 for the wiring definition. To enable this
communication, pins 4 and 5 on the sub "D" connector must be
connected. FIGURE C-2 shows the connector and wiring as it is wired
to a computer. FIGURE C-3 shows the rear view wiring of the
connector.
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