Northern Telecom Meridian M3000 Reference Manual page 90

8-4 Testing and maintenance
The access code to activate the TADO Self-Test feature must be datafilled in
Table XLANAME and Table IBNXLA. In datafill, the TADO Self-Test is
referred to as the Meridian Asynchronous Data Option (MADO).
While TADO Self Test is running, the data line and associated voice line are
call processing busy (CPB), causing a simultaneous test at the MAP
workstation to fail.
The following restrictions and limitations apply to the TADO Self Test:
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The TADO Self Test may not operate for the following reasons:
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Follow Procedure 8-6 to test the TADO.
Procedure 8-6
TADO Self Test
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2
555-4001-112 Standard 05.01 March 1995
No calls can be made or received on either the voice line or the data line
of the M3000 Touchphone while the test is in progress.
The test can only be initiated from the voice line of a M3000
Touchphone equipped with TADO.
The test cannot be initiated on a voice line that is currently engaged in
another feature.
TADO Self Test tests only the TADO within the M3000 Touchphone that
initiated the test.
A feature data block could not be allocated.
The call is being blocked in the network.
Another feature is already in progress on the line to be used for the test.
TADO Self Test cannot run on the third leg of Conference 3 or Call
Transfer.
A maintenance process is currently operating on the M3000
Touchphone.
The TADO line has not been datafilled.
The TADO Self Test was initiated from a telephone other than M3000
Touchphone.
Press a loop (DN) key.
Response: Dial tone occurs.
Enter TADO Self Test access code (usually two or three digits defined in Table
IBNXLA).
Response: DN LCD FLASHES. TADO IS UNDER TEST appears on the DTE
screen.