Function Code 7: Run Rs-422 Wrap Test - IBM LTO Ultrium 4 Installation And User Manual

Function Code 6 is selectable on the SCSI U320 drive but the test will always exit
with
Procedure
1. Make sure that the host interface wrap plug is connected to the host interface
2. Place the drive in Maintenance Mode. For instructions, see "Entering
3. Press the unload button once per second until
4. Continue to press the unload button once per second to cycle through the
5. Press and hold the unload button for three or more seconds, then release it to
6.

Function Code 7: Run RS-422 wrap test

About this task
This test causes the drive to perform a check of the circuitry and connector for the
RS-422 interface. This connector supports the Library Drive Interface (LDI) and the
Automation Drive Interface (ADI).
Before selecting this function, attach an LDI or RS-422 wrap plug to the drive's LDI
or RS-422 connector (in place of the LDI or RS-422 cable).
Procedure
1. Make sure that no cartridge is in the drive, and the appropriate wrap plug is
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LTO Ultrium 4 Half High Tape Drive
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on the SCD.
connector at the rear of the drive. A SFF-8482 SAS cable should be connected to
the rear of the drive. Connect the wrap plug to the SFF-8482 SAS connector
port to be tested.
Maintenance Mode" on page 18.
following functions:
6 0
a. - : exit
1
6
b. - : test the primary SAS port
6 8
c. - : test the secondary SAS port
6 3
d. - : test both primary and secondary SAS ports at the same time
(requires a wrap plug in both ports)
select one of the above functions. The drive automatically starts the test. If you
cycle past the desired code, press the unload button once per second until the
code reappears.
The SCD will display a flashing
v If no error is detected, the diagnostic will exit Maintenance Mode,
temporarily appears in the SCD, and the drive returns to Operational Mode
(SCD blank, Green Ready/Activity status LED ON, and the Amber Fault
status LED is OFF).
v If an error is detected, the Fault status LED flashes amber and the drive
posts an error code to the SCD. To determine the error, locate the code in
"Error codes and messages" on page 46. To clear the error, either turn the
power off and then on again, or reboot the drive by pressing and holding the
unload button for 10 seconds.
attached to the RS-422 connector.
6
appears in the SCD.
6
during the test.
0