| Par. No.
| Meaning
| Remarks
|
| (A)
| command name
| |
| (B)
| main execution result
| |
| (1)
| Modify the primary device
| |
| (2)
| Modify the twin device
| |
| (3)
| Modify the fallback device
| |
| (4)
| Logical device identity
| |
| (5)
| Read direction
| Device type |
| (6)
| Read direction
| Network address |
| (7)
| Read direction
| Device number |
| (8)
| Read direction
| Logical file identity |
| (9)
| Write direction
| Device type |
| (10)
| Write direction
| Network address |
| (11)
| Write direction
| Device number |
| (12)
| Write direction
| Logical file identity |
| (13)
| Old / new data indicator
| |
| (14)
| Logical device identity
| |
| (15)
| Twin device indicator
| YES or NO |
| (16)
| Read direction (primary device)
| Device type |
| (17)
| Read direction (primary device)
| Network address |
| (18)
| Read direction (primary device)
| Device number |
| (19)
| Read direction (primary device)
| Availability |
| (20)
| Read direction (primary device)
| Logical file identity |
| (21)
| Write direction (primary device)
| Device type |
| (22)
| Write direction (primary device)
| Network address |
| (23)
| Write direction (primary device)
| Device number |
| (24)
| Write direction (primary device)
| Availability |
| (25)
| Write direction (primary device)
| Logical file identity |
| (26)
| Read direction (fallback device)
| Device type |
| (27)
| Read direction (fallback device)
| Network address |
| (28)
| Read direction (fallback device)
| Device number |
| (29)
| Read direction (fallback device)
| Availability |
| (30)
| Read direction (fallback device)
| Logical file identity |
| (31)
| Write direction (fallback device)
| Device type |
| (32)
| Write direction (fallback device)
| Network address |
| (33)
| Write direction (fallback device)
| Device number |
| (34)
| Write direction (fallback device)
| Availability |
| (35)
| Write direction (fallback device)
| Logical file identity |