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216 Chapter 15 Troubleshooting
P0993298 02
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.
b Check that the connection from ATA 2 to the Business Communications Manager
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.
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.