GE EPM 5200, EPM 5300, EPM 5350 Modem Connected to Computer Originate Modem, Programming the Modem

CHAPTER 4: COMMUNICATION INSTALLATION NETWORK OF INSTRUMENTS AND LONG DISTANCE COMMUNICATION

designed a Modem Manager RS-485 to RS-232C converter. This device automatically programs the modem to the proper configuration. Also, if you have poor telephone lines, modem manager acts as a line buffer, making the communication more reliable.

4.3.1Modem Connected to Computer (Originate Modem)

Programming the Modem

Comply with the modem’s instruction manual and follow these instructions:

Restore modem to factory settings:

This procedure erases all previously programmed settings.

Set modem to display result codes:

The device uses the result codes.

Set modem to verbal result code:

The device uses the verbal codes.

Set modem to ignore DTR signal:

Necessary for the device to ensure connection with originate modem.

Set modem to disable flow control:

Necessary to communicate with remote modem connected to device.

Tell modem to write the new settings to activate profile:

Places these settings into nonvolatile memory; the settings take effect after the modem powers up.

4.3.2modem Connected to the Device (Remote Modem)

Programming the Modem

Comply with the modem’s instruction manual and follow these instructions:

Restore modem to factory settings:

This procedure erases all previously programmed settings.

Set modem to auto answer on N rings:

Sets the remote modem to answer the call after n rings.

Set modem to Auto Negotiate mode:

Sets the remote to auto negotiate to communicate successfully with EPM 5300P and other devices in the modem.

Set modem to return numeric result codes:

Increases speed connection with EPM 5300P.

Set modem to ignore DTR signal:

Necessary for device to ensure connection with originate modem.

Set modem to disable flow control:

EPM 5300 SERIES ADVANCED POWER METERS – INSTRUCTION MANUAL 4–27