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Installation Page 93 of 174
M3900 Series Meridian Digital Telephones Description, Installation and Administration
A red LED status light located on the ATA indicates the status of the ATA.
• Flashing red indicates that the ATA is operating normally. For
more troubleshooting guidelines, refer to the user documentation
that came with your analog device.
• Solid red indicates that the ATA is not operating normally. Contact
your system administrator.
• Red light off indicates that there is no power going to the ATA or
the unit is not operating correctly. Check the power connections to
the ATA. If problems continue, contact your system administrator.
Figure 13
Wall transformer connection
To IDF
6-conductor
line cord
from telephone
Adapter jack
Adapter
plug
123
4
56
123
4
56
1
2
Plug
Jack
Adapter
Wall
transformer
(110 V or 220 V)
553-9042