Troubleshooting
40d Power-Up Diagnostics
When power is first applied to the 40d ISDN console, certain start-up routines are conducted by the
console processor to check its operating integrity. At its conclusion, the following display is shown:
When the above is shown, proceed to 40d Line Initialization Diagnostics (page 78).
If the above is not showing, conduct the following checks:
1.
Is there another display showing? If NO, proceed to Step 2. If YES, the following display is
probably showing.
If it is, set the slide switch on the rear panel of the 40d from MON to RUN. The desired display as
shown in Figure 1 will now be shown. Proceed to 40d Line Initialization Diagnostics (page 78).
NOTE
– If another display is showing, write it down verbatim, then conduct the following tests,
record the results, and call Tone Commander Customer Technical Support at
(800) 524-0024.
• Can this display be displaced with the Maintenance Display when the MAINT button is
pressed? ___Yes ___No
• Does this display return when the Maintenance Mode is exited? ___Yes ___No
• If power to the 40d is removed then reapplied, does this display return? ___Yes ___No
2.
If the display is blank with backlighting present, proceed to Step 3. If the display is blank without
backlighting present:
• Reseat the modular jack connectors of the console mounting cord at the 40d120 Power
Supply (#102612) or alternate console power supply and at the console.
• Verify that the 40d120 Power Supply or alternate console power supply is plugged into a
live AC power receptacle.
• Verify that the voltage being fed to the console by the power supply is 34.0 to 56.5 VDC.
This voltage can be read across pins 7 and 8 on the console-end connector of the
mounting cord.
• Replace the 40d console.
3.
Press the MAINT button, the blank display with backlighting should be displaced by the
Maintenance Display.
• If the Maintenance display is not shown, set the slide switch on the rear panel of the 40d to
Monitor. The following display should be shown:
13-102633 Rev. H
Page 77
Tone Commander 40d120 Installation Instructions
NT: No Seal Current/U Not Synched
L2: TEI Unassigned
TEI:N/A
L3: Down
USID:N/A TID:N/A
NEXT
LAST
[40d]
EXIT
Screen 1
TCS 40d Monitor
Option Switches: 1: OFF
2: OFF
3: OFF
Screen 2
Содержание 40d120
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