ADTRAN Express 3110 Manuál s instrukcemi Strana 67

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61200239L1-20 Express 3010/3110 User Manual 6-1
Chapter 6
Troubleshooting
TROUBLESHOOTING GUIDELINES
This section provides troubleshooting techniques to resolve problems
that may be encountered while operating the Express. If problems
persist contact ADTRAN technical support for assistance (see the in-
side back cover of this manual).
Power/Line LED is Off
This indicates a problem with the power to the unit. Verify the power
cord is connected to the Express and is plugged into a working 120
volt AC electrical outlet.
Power/Line LED Flashes and 1 and 2 LEDs are
Off
This indicates a problem with the physical connection of the ISDN line
from the local telephone company to the Express.
1. Verify the large end of the RJ-45 to RJ-11 telephone cable
(included with the Express) is connected to the ISDN connector
on the rear panel of the Express.
2. Verify the small end of the RJ-45 to RJ-11 telephone cable is con-
nected to the ISDN telephone wall jack installed with Basic Rate
ISDN.
3. Contact the local telephone service provider.
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