11/11/2006
24 Rev 2.0
9.0 TROUBLESHOOTING
Below is a listing of some common problems and the suggested remedies for them.
LEDs and LCD are not illuminated.
- Check the power supply(s), power cable(s), and power connector.
Some LEDs are lit but LCD screen has dark rectangle-shaped characters instead of letters.
- Check LCD contrast setting
Modem self-diagnostic does not work but data is being transmitted to remote devices.
-
Modem address is incorrect
-
Optical cable connections are incorrect
-
Check Master modem connection to diagnostic computer
- SpectraSmart program running but net (ring or string) is not activated.
Modem self-diagnostic shows that the modems are operating properly but the user’s data is not
being received properly.
- Check DIP switch position (interface mode, loop)
If the problem with the modem/network still persists, please call Meridian’s technical support staff for
further assistance. When calling, please have the information about the modems and network (part #,
Serial #, network architecture, etc.) available.
Содержание 2300M Series
Страница 6: ...PX 2300 SELF HEALING RING MULTIDROP FIBER OPTIC MODEM User s Manual...
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Страница 38: ...Ring B Ring A Fig 12 4 Loop Back Operation PX 2300M LLOOP TxA RxB PX 2300M RLOOP PX 2300M RLOOP BER Tester...
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