Operator Buttons; Service Representative Buttons; Lights - IBM 9348 Service Information

Operator Buttons
Online: Pressing the Online button puts the tape unit on-line or off-line. The
Online light flashes while the tape is loading. When the tape is loaded, the tape
unit goes on-line and the Online light remains on.
If you press another button while the tape unit is on-line, the status code DO01
appears in the Status display.
Rewind: Pressing the Rewind button positions the tape at the BOT marker. The
tape unit must be off-line to be able to use the Rewind button.
UnloadIOpen: Pressing the UnloadIOpen button unloads the tape and opens the
front door. The tape unit must be off-line to be able to use the UnloadIOpen
button. If there is no tape in the tape unit, pressing the UnloadIOpen button
opens the front door.
Warning: Do not force the front door open, always use the UnloadIOpen button.
Cancel: Pressing the Cancel button stops all operations. If the Cancel button is
pressed while operations from the system are being performed, the operations
stop. Pressing the Online button allows the system to recover. The method of
recovery depends on the job that was being run.
For example, if the Cancel button is pressed while the tape is loading, the tape
stops loading. Press the UnloadIOpen button to unload the tape before contin-
uing.
Warning: Pressing the Cancel button a second time causes all data in the
storage area to be lost.
Service Representative Buttons
Diagnostic Mode: Pressing the Diagnostic Mode button puts the tape unit in the
diagnostic mode. This permits the service representative to run diagnostics or
display machine status. Press the Cancel button one or more times to leave
diagnostic mode. The tape unit must be offline to use the diagnostic mode.
Diagnostic Select: When the tape unit is in the diagnostic mode, TEST
*,
INFO
*,
CONF
*,
or ID appears in the status display. Pressing the Diagnostic Select
button shows the options available, one at a time.
Enter: Pressing the Enter button selects the option shown in the status display.
Cancel: Pressing the Cancel button while a test is running will stop the test.
Press the Cancel button to back out of the Diagnostic Mode.
Lights
There are 10 lights:
Power On: This is on when dc power is supplied to the tape unit.
Online: This is on when the tape unit is on-line and off when the tape unit is
off-line. It will flash while the tape is loading.
Unloadlopen: This is on when the tape is unloading and while the tape is
rewinding after you pressed the Unload/Open button. It is off when the tape is
unloaded and during normal operation.
Diagnostic Mode: The Diagnostic Mode light comes on when you push the Diag-
nostic Mode button, and it goes off when you push the Diagnostic Mode button
again.
e ro use.
A-2
9348
Service Information