Nortel Meridian M3905 User Manual page 45

Symptom
MCA does not operate at
all.
Asynchronous troubleshooting
Solution
1. Check the LED in the back of the telephone to see if it is flashing. If
the LED is steadily lit, the MCA needs to be
configured in your system, or the MCA is not functioning correctly.
If the LED is not lit, the MCA requires external power.
2. Make sure the cable from your terminal or PC is connected to the
MCA.
- Check the data parameters for your display.
- Make sure the transformer is plugged in, or the closet
power is connected.
- Make sure the cable between the MCA and your tele-
phone is connected and is crimped.
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