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Service-Programming Modems
80-99208-1 Rev. D 3-3
2. Make sure the power connectors of the Modem Interface
cable are not connected to a DC power supply.
3. Make sure the switch on the Diagnostic cable is set to
“POS 1 DTR to GND.”
When this switch is set to “POS 1,” DTR is asserted on the
Diagnostic cable and the modem will power up
immediately when power is applied.
4. Connect the AC adapter to the Diagnostic cable and to an
AC outlet, as shown in Providing Power to the Modem on
page 2-12.
Caution
If you use the AC wall adapter for service programming the modem,
make sure the power connectors of the Modem Interface cable are not
connected to a DC power supply. You CANNOT have both a DC power
supply and the AC adapter connected to the modem at the same time.
This may cause the modem to fail to power up and may damage the
modem.
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Steps
TO INSTALL, RUN, AND USE THE UTPST
■ See the Globalstar UT Program Support Tool User’s
Guide (80-98225-1) in your kit for detailed information.
Note
Connecting the UTPST to a modem requires you to enter a valid
six-digit Service Programming Code (SPC). Use the default SPC
(six zeros: 000000) unless you have been given another one.