COM220 Telephone Modem
in Setup’s PakBusPort [LoggerNet, Setup, PakBusPort (in the device map)] may limit the baud rate selected by the modems since it defaults to 9600. You can sometimes achieve a higher connection baud rate by raising the PaKBus Port’s maximum baud rate.
11)Can you attach a normal analog telephone to the line and make a call out? If not, contact your local telephone company. If you can make a call out but the connection is poor or faint, contact your local telephone company.
12)Verify the COM220 is receiving 12 VDC. If the COM220 is receiving 12 VDC from a separate power supply instead of the datalogger, is the ground of the separate power supply connected to the datalogger’s ground?
13)Verify the datalogger is turned on.
To comply with FCC rules and regulations, all repairs on the COM220 modem must be performed by Campbell Scientific, Inc. or an authorized agent of Campbell Scientific, Inc. For assistance in installation, troubleshooting, or for repair, contact Campbell Scientific:
Campbell Scientific, Inc.
815 West 1800 North Logan, Utah
Web site: www.campbellsci.com
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