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iR1200 Modem
42 nextel.com
What’s the
Problem?
What it means: How to Resolve:
connector on the
modem (for building
installations)?
• Check power supply
and make sure that
everything is
connected properly.
• Is the battery voltage
at least 12 volt?
• Check the cables and
wiring.
The modem has
power but the
LED light is not
blinking green.
- You may not be
within coverage
area.
- Signal strength
may be weak.
• Antenna may be
loose. Check to make
sure the antenna is
properly connected.
• Reposition antenna.
The modem
doesn’t appear to
be
communicating.
This could indicate a
number of things (see
How to Resolve
column to eliminate
the possibilities).
• Is data cable plugged
into the diagnostic
port?
• Is data cable
connected properly
to the mobile device
or computer?
• Check the RSSI
• Check coverage:
• Move to another
location to see if