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Optical Port
®
Figure 5.2: Nexus
1272 Meter Optical Port
5.2: Communicating to the Meter through the ANSI Type II Optical Port
Use the ANSI Type II Optical Port on the face of the Nexus® 1262/1272 Socket Meter for RS232
communication. The Optical Port is compatible with the A7Z Communication Interface and similar
ANSI Type II Magnetic Communication Interfaces. See Figure 5.3.
One end of the magnetic interface simply snaps onto the optical port; the magnet keeps it in place.
The other end is an RS232 connection. Insert that end into a 9-pin serial port on a computer or
other device. The A7Z requires no power supply. All power is received from the host computer
serial port using transmitteer and receiver circuits within the probe.
The RS232 standard limits the cable length to 50 feet (15.2m).
5-2
e
Electro Industries/Gauge Tech
Doc # E151701
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