No Dial Tone - AVM FRITZ!X PC Manual

7 Tips & Tricks
General Error Conditions

No dial tone

48
Not every error represents an actual defect in F F F F F R R R R R ITZ!X PC
connected terminal devices. This chapter discusses general
error conditions, their causes and possible solutions.
Work through the following checklist before starting operation:
• Check the LEDs on F F F F F R R R R R ITZ!X PC
individual LEDs are listed in the „Package Contents" section
of Chapter 1.
• Is F F F F F R R R R R ITZ!X PC ITZ!X PC ITZ!X PC ITZ!X PC ITZ!X PC ready for operation? Make sure that the green
LED labelled „Power" is lit.
• Check the orange LEDs for extensions 1, 2, 3 and 4:
When an extension is picked up or a connection is active at
an extension, this is indicated by an LED lit orange. Incoming
calls are signalled by a blinking LED.
If the LED for an active extension is not lit, this suggests that
the telephone cable is defective or corrected incorrectly.
• Is the PC cable properly connected to the PC and F F F F F R R R R R ITZ!X
PC PC? PC
PC PC
• Is the cable connected to the correct serial interface?
• Check the F F F F F R R R R R ITZ!X PC ITZ!X PC ITZ!X PC ITZ!X PC setup in the F F F F F R R R R R ITZ!X PC
ITZ!X PC
• Are the plugs inserted correctly into the socket and into
F F F F F R R R R R ITZ!X PC ITZ!X PC ITZ!X PC? ITZ!X PC
ITZ!X PC
• Is the ISDN cable properly plugged into the ISDN socket at
the NT (Network Terminator) and into F F F F F R R R R R ITZ!X PC
• Are the telephone, modem, and telefax cables properly
plugged into F F F F F R R R R R ITZ!X PC
• Is the terminal device defective? Test the device at another
F F F F F R R R R R ITZ!X PC ITZ!X PC ITZ!X PC
ITZ!X PC ITZ!X PC extension or on another exchange.
Make sure the extension is configured for automatic outside
dialing rather than as an internal extension (outside dialing
preceded by "0").
ITZ!X PC ITZ!X PC
ITZ!X PC ITZ!X PC. The meanings of the
ITZ!X PC? ITZ!X PC ITZ!X PC
ITZ!X PC
ITZ!X PC or the ITZ!X PC ITZ!X PC ITZ!X PC
ITZ!X ITZ!X ITZ!X
ITZ!X
ITZ!X PC directory. ITZ!X PC ITZ!X PC
ITZ!X PC
ITZ!X PC ITZ!X PC
ITZ!X PC? ITZ!X PC