Nortel Networks BCM1000 Benutzerhandbuch
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Chapter 14 Troubleshooting
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Checking for dial tone at the ATA 2
Check to ensure there is dial tone from the set and from the ATA 2 module.
1
If there is no dial tone, replace a single-line telephone for the data communication device.
2
If there is no dial tone at the ATA 2 unit:
a
Disconnect the line side of ATA 2. Connect an Business Communications Manager
telephone to the ATA 2 port.
telephone to the ATA 2 port.
b
Check that the connection from ATA 2 to the Business Communications Manager
hardware is functioning correctly (the telephone has dial tone).
hardware is functioning correctly (the telephone has dial tone).
Checking for trunk line dial tone to the ATA 2
Use the following steps to check for trunk line dial tone to the ATA 2.
1
Disconnect ATA 2 external line from the Business Communications Manager hardware and
connect the data device directly to this external line.
connect the data device directly to this external line.
2
Make a call.
3
If the problem continues, the device or the external line is possibly at fault.
4
Plug the device into a different line.
5
If the problem continues, the device is possibly at fault.
For more information about ATA 2, contact your customer service representative.