Nortel CallPilot - Page 48

48 Chapter 5 Using serial port diagnostic tools
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 Description
idat Internal data bus loopback
imsr Internal modem status register
baud Internal data bus loopback at various baud rates
word Test 5-, 6-, 7-, and 8-bit data lengths
stop
Test 1, 1.5, and 2 stop bits
pari Test odd/even parity
fifo Test that device can operate in fifo mode
To invoke the TSTSERIO /P command from Windows
Step Action
1
Click Start → Programs → Accessories → Command Prompt.
Result: The Command Prompt window appears.
2
At the Command prompt, type tstserio with the required
parameters, and then press Enter.
For example, type TSTSERIO /P com1 or TSTSERIO /P com
2, and then press Enter.
3
Type Exit, and then press Enter to exit the Command Prompt
window.
—End—
TSTSERIO external loopback plug subtests
The following external loopback subtests are available for the TSTSERIO
command. For each of these tests, an external loopback connector must
be used. For more information, see "Conducting TSTSERIO tests with the
loopback plug" (page 49).
Subtest name
Description
edat External data bus loopback. This test requires an
external loopback connector.
Nortel CallPilot
703t Server Maintenance and Diagnostics
NN44200-702 01.03 Standard
5.0 3 April 2007
Copyright © 2007, Nortel Networks Nortel Networks Confidential
.