Version 7.2 903 Mediant 1000B Gateway & E-SBC
User's Manual 58. FXO Line Testing
58 FXO Line Testing
The device can test the telephone lines connected to its FXO ports through SNMP using
the SNMP acAnalogFxoLineTestTable table. The tests provide various line measurements.
In addition to the tests, a keep-alive test is also done every 100 msec on each of the
analog ports to detect communication problems with the analog equipment:
Line Current (mA)
Line Voltage (V)
Hook (0 = on-hook; 1 = off-hook)
Ring (0 - Off; 1 - On)
Line Connected (0 = Disconnected; 1 = Connected)
Polarity state (0 = Normal; 1 = Reversed, 2 = N\A)
Line polarity (0 = Positive; 1 = Negative)
Message Waiting Indication (0 = Off; 1 = On)
You can also view the above information through the Web interface (see ''Viewing Port
Information'' on page 800).
Note:
Analog line testing is traffic affecting and therefore, do the test only for
monitoring and when there are no active calls in progress.
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