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Appendix D . Configurations
The 9348 tape unit has various configurations which have been preset and should
not be changed unless you have been directed to do so by your support level. This
appendix is included for your information only.
Changing Configuration Values
Use the following procedure to change the configuration values.
1. If the Online light is on, press the Online button to take the tape offline.
2. Press the Diagnostic Mode button. TEST is displayed to that the tape unit is in
the diagnostic mode.
3. Press the Diagnostic Select button until CONF is displayed.
4. Press the Enter button when CONF
*
is displayed to select the CONF
*
option.
CONF 0 is displayed to verify that you are in the CONF mode.
Note: If you have recently completed this step, CONF xxx is displayed (where
xxx is the parameter that you changed).
5. The number displayed indicates which configuration parameter is selected. The
value can be changed by pressing the Diagnostic Select button.
6. When CONF xxx is displayed (where xxx is the parameter you want to change)
press the Enter button to select the configuration parameter you want to change.
Note: If ILLEGAL is displayed, refer to "Changing Locked Configuration Values"
7. Press the Diagnostic Select button to see the values available for this parameter.
8. When the desired parameter value is displayed, press the Enter button. SET xxx
(where xxx is the parameter value you selected) is momentarily displayed to
indicate that the parameter was changed.
9. Repeat steps 4 through 8 of this procedure for each configuration parameter
change.
10. To leave the CONF
*
mode, press the Cancel button until CONF is displayed.
11. To leave the diagnostic mode, press the Cancel button or the Diagnostic mode
button.
12. Initialize the status registers by setting the tape unit Power switch to the Off and
then On.
Changing Locked Configuration Values
The tape unit has most of the configuration parameters locked to prevent them from
being accidentally changed. If you have been instructed to change the locked con-
figuration values, use the following procedure:
Note: Use "Changing Configuration Values" for reference when performing this
procedure.
1. Change configuration parameter 100 to a value of 48.
2. Chanqe configuration parameter 101 to a value of 76.
@ Copyright
IBM Corp. 1989,1992
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