1.
Determine which display continues to show: Screen 4, 5, or 6.
2.
Undertake the recommended troubleshooting procedures for the specific display shown.
If Screen 4 is showing continuously:
• Check all line connections from the telco interface to the jack on the rear panel of the
console. Be sure to check all associated wiring, cables, connectors and jack panels.
• Check that the ISDN line has been wired to:
- pins 4 and 5 on an 8-pin modular jack or
- pins 3 and 4 on a 6-pin modular jack
- the appropriate terminals on a 50 position punch-down block
• Have the telco check the ISDN line at the CPE site.
• Replace the 40d console.
If Screen 5 is showing continuously:
• Check to see if a valid SPID format (3 to 20 numerical digits) is entered in the 40d's SPID
Program. If one is not entered, enter one, save, and exit.
• Initiate a console Reset (select DIAG from the main Maintenance
menu/SYSTEM/RESET/YES). The Line Diagnostic display will automatically be shown.
• Temporarily remove power from the 40d console for at least 30 seconds, then reapply it.
If Screen 5 persists, contact your service provider to verify that you have the correct SPID for
yuor line.
If Screen 6 is showing continuously:
• Verify that the correct SPID number is entered in the 40d's SPID Program. If necessary
verify the number with a local telco customer support representative. While viewing the
SPID display, select EDIT, then DONE.
• Re-enter the SPID Number, save, and exit.
• Verify that the SWITCH type value shown in the SPID display matches the serving central
office. If it does not, select EDIT, NEXT, NEXT, select the appropriate SWITCH type,
DONE, then press the MAINT button.
• Initiate a Console Reset.
• Temporarily remove power from the 40d console for at least 30 seconds, then reapply it.
• If Screen 6 persists, replace the 40d.
3.
With successful initialization, proceed to 40d Call Origination Checkout below.
40d Call Origination Checkout
Press the ORIGINATE button. Dialtone should be heard and the following display will be shown:
Originate a call to any directory number using the dial pad. When this is done the following transition will be
displayed:
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Tone Commander 40d120 Installation Instructions
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