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FAQ
Model GFC7000TA Carbon Dioxide Analyzer
Teledyne Analytical Instruments
57
5.5. Communication Options
5.5.1. Communications Cables
Type
Description
60A RS-232
Shielded, straight-through DB-9F to DB-25M cable, about 1.8 m long.
Used to interface with older computers or code activated switches with
DB-25 serial connectors.
Used to interface with older computers or code activated switches with
DB-25 serial connectors.
60B RS-232
Shielded, straight-through DB-9F to DB-9F cable of about 1.8 m
length.
length.
60C Ethernet
Patch cable, 2 meters long, used for Internet and LAN
communications.
communications.
60D USB
Cable for direct connection between instrument (rear panel USB port)
and PC or laptop computer.
and PC or laptop computer.
5.5.2. RS-232 Multidrop (Option 62)
The multidrop option is used with any of the RS-232 serial ports to enable communications of up to eight
analyzers with the host computer over a chain of RS-232 cables via the instruments COM1 port (labeled
RS232
analyzers with the host computer over a chain of RS-232 cables via the instruments COM1 port (labeled
RS232
. It is subject to the distance limitations of the RS 232 standard.
The option consists of a small printed circuit assembly, which is seated on the analyzer’s CPU card (see
Figure 5-4) and is connected to the RS-232 and COM2 DB9 connectors on the instrument’s back panel
via a cable to the motherboard. One option 62 is required for each analyzer along with one 6’ straight-
through, DB9 male DB9 Female cable (P/N WR0000101).
Figure 5-4) and is connected to the RS-232 and COM2 DB9 connectors on the instrument’s back panel
via a cable to the motherboard. One option 62 is required for each analyzer along with one 6’ straight-
through, DB9 male DB9 Female cable (P/N WR0000101).
For information on using and setting up this option (See Section 6.11.7)