Communications Connections
Several communication options are available for the PM175:
COM1 (check the label on the back of your meter):
RS-232/RS-422/RS-485
56K Dial-up modem
Ethernet 10/100BaseT
COM2:
RS-422/RS-485
The RS-232/RS-422/RS-485 port is a standard port for COM1.
Other options are ordered separately. Connections to the
Ethernet RJ45 connector and to the telephone RJ11 connector
are made through a cable adaptor provided with your meter (if
ordered).
A full description of the communication protocols is found in
the PM175 protocol guide provided with your meter.
COM1 RS-232 Connection
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