Conducting Tstserio Tests With The Loopback Plug - Nortel CallPilot User Manual

42 Chapter 5 Using serial port diagnostic tools
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
the loopback plug" (page 42)
TSTSERIO external loopback plug subtests.
Subtest
name
edata
emsr
eint
To invoke the TSTSERIO /S command from Windows
Step
1
2
3

Conducting TSTSERIO tests with the loopback plug

The TSTSERIO command requires an external loopback connector plug for
its edata, emsr, and eint subtests.
9-pin connector plug
The standard serial loopback connector is a female 9-pin D-sub connector.
This connector has the following pins wired together:
•
•
•
Copyright © 2007, Nortel Networks
.
Description
External data bus loopback. This test requires an external
loopback connector.
External modem status register. This test requires an external
loopback connector.
Test ability of device to generate interrupts. This test requires
an external loopback connector.
Action
Click Start → Programs → Accessories → Command Prompt.
Result:The Command Prompt window appears.
At the Command prompt, type tstserio with the required
parameters, and then press Enter.
For example, type TSTSERIO /P com1 /S extr, and then press
Enter.
Type Exit, and then press Enter to exit the Command Prompt
window.
CTS (pin 8) wired to RTS (pin 7)
SIN (pin 2) wired to SOUT (pin 3)
DTR (pin 4) wired to DSR (pin 6)
Nortel CallPilot
1002rp Server Maintenance and Diagnostics
NN44200-701 01.02 Standard
5.0 4 April 2007
"Conducting TSTSERIO tests with
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Nortel Networks Confidential