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Teledyne API T703/T703U Calibrator Operation Manual Communications
115
10. Press/select SET> to go to the COM1 BAUD RATE menu and ensure it reads the
same for all instruments (edit as needed so that all instruments are set at the same
baud rate).
NOTE:
Teledyne API recommends setting up the first link, between the Host and the first instrument and
testing it before setting up the rest of the chain.
The (communication) Host instrument can address only one instrument at a time, each by its unique ID
(see Step 7 above).
Analyzer Analyzer Analyzer Last Analyzer
Female DB9
Male DB9
RS-232
COM2
RS-232
COM2
RS-232
COM2
RS-232
COM2
Host
RS-232 port
Ensure jumper is
installed between
JP2 pins 21
22 in
last instrument of
multidrop chain.
Figure 5-4: RS232-Multidrop PCA Host
/Calibrator Interconnect Diagram
07223C DCN6572