Restarting services 49Subtest name Descriptionemsr External modem status register. This test requires anexternal loopback connector.eint Test ability of device to generate interrupts. This testrequires an external loopback connector.To invoke the TSTSERIO /S command from WindowsStep Action1 Click Start → Programs → Accessories → Command Prompt.Result: The Command Prompt window appears.2 At the Command prompt, type tstserio with the requiredparameters, and then press Enter.For example, type TSTSERIO /P com1 /S extr, and then pressEnter.3 Type Exit, and then press Enter to exit the Command Promptwindow.—End—Conducting TSTSERIO tests with the loopback plugThe TSTSERIO command requires an external loopback connector plug forits edata, emsr, and eint subtests.9-pin connector plugThe standard serial loopback connector is a female 9-pin D-sub connector.This connector has the following pins wired together:• CTS (pin 8) wired to (pin 7) RTS• SIN (pin 2) wired to (pin 3) SOUT• DTR (pin 4) wired to (pin 6) DSROnce the plug is installed on the serial port, TSTSERIO can be invokedaccording to the "To invoke the TSTSERIO /P command from Windows"(page 48).Restarting servicesThis section describes how to restart the services for COM 1 or COM 2 afterinvoking the TSTSERIO local loopback tests.Nortel CallPilot703t Server Maintenance and DiagnosticsNN44200-702 01.03 Standard5.0 3 April 2007Copyright © 2007, Nortel Networks Nortel Networks Confidential.
