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TELEDYNE API
Optional Hardware and Software M703E Dynamic Dilution Calibrator Operator’s Manual
5.2. COMMUNICATION OPTIONS
5.2.1. RS232 MODEM CABLES (OPTS 60 AND 60A)
The analyzer can have come standard with a shielded, straight-through DB-9F to DB-9F cable of about 1.8 m
length, which should fit most computers of recent build. This cable can be ordered as Option 60.
Option 60A consists of a shielded, straight-through serial cable of about 1.8 m length to connect the calibrator’s
COM1 port to a computer, a code activated switch or any other communications device that is equipped with a
DB-25 female connector. The cable is terminated with one DB-9 female connector and one DB-25 male
connector. The DB-9 connector fits the calibrator’s RS-232 port.
5.2.2. ETHERNET CABLE (OPT 60B)
Option 60B consists of a 7-foot long, CAT-5 network cable, terminated at both ends with standard RJ-45
connectors. This cable is used to connect the M703E to any standard ETHERNET socket.
5.2.3. RS-232 MULTIDROP (OPT 62)
The multidrop option is used with any of the RS-232 serial ports to enable communications of up to eight
calibrators with the host computer over a chain of RS-232 cables via the instruments COM1 Port. It is subject to
the distance limitations of the RS 232 standard.
Rear Panel
(as seen from inside)
CPU Card
Multidrop
Card
Figure 5-1: M703E Multidrop Card
The option consists of a small printed circuit assembly, which plugs into to the calibrator’s CPU card (see Figure
5-6). It 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 calibrator along with one 6’ straight-through, DB9 male DB9
Female cable (P/N WR0000101).
30 05744 Rev B