2
Testing
2
This chapter describes how to:
• Run the terminal’s built-in self-tests and menu-driven diagnostic tests.
• Display video alignment patterns on the monitor.
• Run remote diagnostic tests on the terminal over the network.
• Test the LAT.
• Test TELNET and network hardware on UNIX and ULTRIX systems.
To test the monitor, see the monitor’s service guide.
2.1 Terminal Self-Tests
The terminal has a series of self-tests to help you isolate failures to faulty
field replaceable units (FRUs). You can run self-tests in three ways.
• Automatically during power-up
• Using menu-driven diagnostics
• Using remote diagnostics on the network
The terminal automatically performs basic self-tests during power-up.
You can run more extensive self-tests by using the terminal’s Diagnostics
dialog box and connecting loopback connectors to specific ports. Remote
diagnostics let you test the terminal from a remote host.
NOTE
Running the menu-driven diagnostic tests resets the terminal and
quits all session activity.
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