Table 327

+=====================================-============-======-============+
|  Command name                       | Operation  | Type |  Subclause |
|                                     |   code     |      |            |
|-------------------------------------+------------+------+------------|
| CHANGE DEFINITION                   |    40h     |   O  |   8.2.1    |
| EXCHANGE MEDIUM                     |    A6h     |   O  |  17.2.1    |
| INITIALIZE ELEMENT STATUS           |    07h     |   O  |  17.2.2    |
| INQUIRY                             |    12h     |   M  |   8.2.5    |
| LOG SELECT                          |    4Ch     |   O  |   8.2.6    |
| LOG SENSE                           |    4Dh     |   O  |   8.2.7    |
| MODE SELECT(6)                      |    15h     |   O  |   8.2.8    |
| MODE SELECT(10)                     |    55h     |   O  |   8.2.9    |
| MODE SENSE(6)                       |    1Ah     |   O  |   8.2.10   |
| MODE SENSE(10)                      |    5Ah     |   O  |   8.2.11   |
| MOVE MEDIUM                         |    A5h     |   M  |  17.2.3    |
| POSITION TO ELEMENT                 |    2Bh     |   O  |  17.2.4    |
| PREVENT ALLOW MEDIUM REMOVAL        |    1Eh     |   O  |   9.2.4    |
| READ BUFFER                         |    3Ch     |   O  |   8.2.12   |
| READ ELEMENT STATUS                 |    B8h     |   O  |  17.2.5    |
| RECEIVE DIAGNOSTIC RESULTS          |    1Ch     |   O  |   8.2.13   |
| RELEASE                             |    17h     |   O  |  17.2.6    |
| REQUEST VOLUME ELEMENT ADDRESS      |    B5h     |   O  |  17.2.7    |
| REQUEST SENSE                       |    03h     |   M  |   8.2.14   |
| RESERVE                             |    16h     |   O  |  17.2.8    |
| REZERO UNIT                         |    01h     |   O  |   9.2.13   |
| SEND DIAGNOSTIC                     |    1Dh     |   M  |   8.2.15   |
| SEND VOLUME TAG                     |    B6h     |   O  |  17.2.9    |
| TEST UNIT READY                     |    00h     |   M  |   8.2.16   |
| WRITE BUFFER                        |    3Bh     |   O  |   8.2.17   |
|----------------------------------------------------------------------|
|Key:  M = command implementation is mandatory.                        |
|      O = command implementation is optional.                         |
+======================================================================+