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Step Four: Testing the Configuration
1
After you reset your I-modem (in Step Three) watch the I-modem's
LED status indicators. AA, DTR, MR, RTS, and CTS should be lit
green, and NS should blink yellow rapidly.
Watch the NS LED closely. It should follow this pattern:
Step
1
2
3
4
These are error conditions and suggested solutions:
If NS LED does this
Red blink (1 per second)
Red solid
Configuring with AT commands
The NS LED
Fast blink (8 per
second), Yellow
Slow blink (1 per
second), Yellow
Slow blink (1 per
second), Green
Green solid
Means this
Searching for U interface
(I-modem Model 1 and 2 only)
Searching for S/T interface
Physical connection active
Ready to make or receive calls
This may be the problem
Incorrect SPID. Send ATI12 <Enter>
and re-check your SPID and DN
settings.
No physical connection. Make sure
that the U-interface cable is plugged
into the I-modem.
7-7
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