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Using serial port diagnostic tools
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/P:comport
/S:subtstname
/L:loops
TSTSERIO internal loopback diagnostic subtests
The following internal loopback subtests are available for the TSTSERIO command. For each
of these tests, the communications resource must be available:
Subtest name
idat
imsr
baud
word
stop
pari
fifo
To invoke the TSTSERIO /P command from Windows
1. Click Start → Programs → Accessories → Command Prompt.
2. At the Command prompt, type tstserio with the required parameters, and then press
52
Avaya CallPilot® 703t Server Maintenance and Diagnostics
Requirement
n/a
Required
Optional
Optional
Internal data bus loopback
Internal modem status register
Internal data bus loopback at various baud rates
Test 5-, 6-, 7-, and 8-bit data lengths
Test 1, 1.5, and 2 stop bits
Test odd/even parity
Test that device can operate in fifo mode
Result: The Command Prompt window appears.
Enter.
Description
Displays Help.
Specifies the symbolic port name assigned to the port
you want to test.
Specifies a TSTSERIO subtest. See the table below
for a description of the available subtests.
Specifies the number of times (up to a maximum of 65
535) to execute the requested test. The default
number of tests is 1. A value of 0 infinitely loops until
you enter Ctrl+C.
Description
December 2010
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