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Getting Started Teledyne API – Model T700 Dynamic Dilution Calibrator
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Figure 3-14: Default Pin Assignments for CPU COMM Port Connector (RS-232).
Teledyne API offers two mating cables, one of which should be applicable for your use.
P/N WR000077, a DB-9 female to DB-9 female cable, 6 feet long. Allows connection
of the serial ports of most personal computers.
P/N WR000024, a DB-9 female to DB-25 male cable. Allows connection to the most
common styles of modems (e.g. Hayes-compatible) and code activated switches.
Both cables are configured with straight-through wiring and should require no additional
adapters.
Note Cables that appear to be compatible because of matching connectors
may incorporate internal wiring that makes the link inoperable. Check
cables acquired from sources other than Teledyne API for pin
assignments before using.
To assist in properly connecting the serial ports to either a computer or a modem, there
are activity indicators just above the RS-232 port. Once a cable is connected between
the analyzer and a computer or modem, both the red and green LEDs should be on.
If the lights are not lit, locate the small switch on the rear panel to switch it between
DTE and DCE modes.
If both LEDs are still not illuminated, ensure that the cable properly constructed.
06873B DCN6388