Doc# E107706 5 - 16
5: Communication Wiring
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Electro Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Modem Connected to a Computer (the Originate Modem)
• Restore modem to factory settings. This erases all previously programmed settings.
• Set modem to display Result Codes. The computer will use the result codes.
• Set modem to Verbal Result Codes. The computer will use the verbal result codes.
• Set modem to use DTR Signal. This is necessary for the computer to ensure
connection with the originate modem.
• Set modem to enable Flow Control. This is necessary to communicate with remote
modem connected to the Nexus® meter.
• Instruct modem to write the new settings to activate profile. This places these
settings into nonvolatile memory; the setting will take effect after the modem
powers up.
Modem Connected to the Nexus® Meter (the Remote Modem)
• Restore modem to factory settings. This erases all previously programmed settings.
• Set modem to auto answer on n rings. This sets the remote modem to answer the
call after n rings.
• Set modem to ignore DTR Signal. This is necessary for the Nexus® meter, to insure
connection with originate modem.
• Set modem to disable Flow Control. The Nexus® meter’s RS232 communication
does not support this feature.
• Instruct modem to write the new settings to activate profile. This places these
settings into nonvolatile memory; the setting will take effect after the modem
powers up.
• When programming the remote modem with a terminal program, make sure the
baud rate of the terminal program matches the Nexus® meter’s baud rate.
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