Table 40

+=====-========-========-========-========-========-========-========-========+ 
|  Bit|   7    |   6    |   5    |   4    |   3    |   2    |   1    |   0    |
|Byte |        |        |        |        |        |        |        |        |
|=====+==========================+========+========+==========================|
| 0   | Source address           |   DC   |  Cat   | Source LUN               |
|-----+--------------------------+-----------------+--------------------------|
| 1   | Destination address      |   Reserved      | Destination LUN          |
|-----+-----------------------------------------------------------------------|
| 2   |                              Reserved                                 |
|-----+-----------------------------------------------------------------------|
| 3   |                              Reserved                                 |
|-----+-----------------------------------------------------------------------|
| 4   | (MSB)                                                                 |
|-----+---                        Source block length                      ---|
| 5   |                                                                 (LSB) |
|-----+-----------------------------------------------------------------------|
| 6   | (MSB)                                                                 |
|-----+---                        Destination block length                 ---|
| 7   |                                                                 (LSB) |
|-----+-----------------------------------------------------------------------|
| 8   | (MSB)                                                                 |
|- - -+---                        Number of blocks                         ---|
| 11  |                                                                 (LSB) |
+=============================================================================+