PROBLEM: THE MODULE DOES NOT HAVE DIAL TONE
1Verify that the module has power. (Check the visual indicator on the telephone display.)
2Verify that all cords on the module, the
3Verify that the switches on the module are set correctly. For more information, refer to the
4Check with your system manager to make certain that the 2420 telephone has been administered correctly.
5Connect the affected module with another 2420 telephone that has a working module. If the module being tested still does not work, it is faulty.
If the module being tested works with the other telephone, try the working module taken from the other telephone and connect it to the telephone experiencing the problem. If this module does not work, the telephone is faulty.
PROBLEM: THE 2420 TELEPHONE DOES NOT HAVE DIAL TONE
1Make sure the analog equipment attached to your 2420 telephone is
2If there is still no dial tone, make sure the handset and line cords at your 2420 telephone are securely connected at both ends.
3If there is still no dial tone, check with your system manager to verify that your telephone is administered correctly.
4If the telephone is administered correctly but there is still not dial tone, remove power. Remove the module and refer to the
a.If the module works in the new telephone, the 2420 telephone to which the module was originally connected is faulty.
b.If the new 2420 telephone, after the module has been connected, does not work, the module is faulty.
5If the original 2420 telephone, without the module, still does not work, find a working 2420 telephone. Unplug this telephone from its modular wall jack. Plug your 2420 telephone into that jack and verify that it gets dial tone.
6If the original 2420 telephone still does not work, plug the working 2420 telephone into your modular wall jack. If the working 2420 telephone has dial tone, your own telephone is faulty. See your system manager.
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