Datasheet

220
PRODUCT MANUAL 1016988
APPENDIX B—INTERFACE SPECIFICATION
MOVE MEDIUM
(12 bytes)
A5h Moves a cartridge from one location to another.
Typical time to complete: 70 seconds
Worst case time to complete: 10 minutes
POSITION TO ELEMENT
(10 bytes)
2Bh Positions the cartridge loader at a specific location (element address).
Typical time to complete: 10 seconds
Worst case time to complete: 5 minutes
PREVENT/ALLOW
MEDIUM REMOVAL
(6 bytes)
1Eh Disables or enables the interlock mechanism in the I/E port,
preventing or allowing the user from accessing cartridges through the
I/E port.
READ ELEMENT STATUS
(12 bytes)
B8h Reports the status of its medium transport, storage, import/export,
and data transfer elements to the initiator.
RECEIVE DIAGNOSTIC
RESULTS
(6 bytes)
1Ch Returns diagnostic results from the last SEND DIAGNOSTIC
command.
RELEASE
(6 bytes or 10 bytes)
17h
57h
Releases a unit reservation previously set by the initiator using the
RESERVE command.
REQUEST SENSE
(6 bytes)
03h Returns sense data to the initiator.
REQUEST VOLUME
ELEMENT ADDRESS
(12 bytes)
B5h Returns the element descriptors (including element address and
status flags for each element) created as a result of the SEND
VOLUME TAG command. Data is returned in element address order.
RESERVE
(6 bytes or 10 bytes)
16h
56h
Reserves the library.
REZERO UNIT
(6 bytes)
01h Implemented to provide software compatibility when it is required.
Because the library does not need to calibrate its mechanics, it always
returns and immediate Good status in response to this command.
SEND DIAGNOSTIC
(6 bytes)
1Dh Requests that a self test or another specific test be performed.
SEND VOLUME TAG
(12 bytes)
B6h Compares the template it receives from the initiator to the cartridge
inventory information in memory, and determines which bar code
labels match the template.
TEST UNIT READY
(6 bytes)
00h Informs the initiator whether it is ready to accept all other commands.
WRITE BUFFER
(10 bytes)
3Bh Writes new microcode received from the initiator into its flash
EEPROM. The new microcode must be sent in sections through
multiple WRITE BUFFER commands.
Table B-1 SCSI command set supported by the library (continued)
When you issue this
command …
OP
Code
The library does this …