Troubleshooting Terminal, Printer and Serial Device Connections - Edition 4 (32022-90030)

Chapter 4 57
TermDSM Commands
DI[AG] XE[XTERNAL]
Type CONTROL - Y to stop the looping.
You can use subsystem break (normally [CTRL]-Y to stop the diagnostic
at any time. The diagnostics prompt will be printed and you will be
allowed to enter another subcommand.
If TermDSM knows that this test has failed, an error message will be
printed listing the reason for the failure and how many milliseconds the
test ran before failing. The diagnostics prompt will be printed and you
will be allowed to enter another subcommand.