IBM 4400-006 - 4400 Model 006 B/W Direct Thermal User Manual page 282

Chapter 15
Complete Command List
start fox|tts|loopb prn
example: start fox prn
Begin a debugging test on one of the I/O ports on the Ethernet
Interface. The tests available are:
fox
tts
loopb
stop prn
Stop an output test on an I/O port.
disable ioport|destination
example: disable prn
Disable an I/O port so that queued jobs are not printed, or
disable a destination so jobs cannot be queued to it.
enable ioport|destination
example: enable prn
Enable an I/O port so that queued jobs are printed, or
enable a destination so jobs can be queued to it.
close tcp TCPindexnumber
example: close tcp 3
Close the a TCP/IP connection between a TCP/IP host and the
Ethernet Interface. The TCPindexnumber can be retrieved
from "debug tcp" output.
282
A continuous stream of text sent to the
attached printer. This is a good test for
troubleshooting hardware as long as the
attached printer supports text output.
A continuous stream of Gandalf 400C
TTS-compatible text sent to the attached
printer.
Loopback test. Any input characters from the
device attached to the I/O port is echoed
back.