Flow : DLC ------> NODE
| Field | Type | Description |
|---|---|---|
| nxtqptr | PTRBFHDR | Pointer to next buffer header in a queue |
| hdreptr | PTRBFELT | Pointer to first buffer element: NULL |
| numelts | CHAR | Number of buffer elements: 0 |
| msgtype | CHAR | Message type: CLOSEMSG (0x02) |
| srcl | CHAR | Source locality |
| srcp | CHAR | Source partner |
| srci | INTEGER | Source index |
| destl | CHAR | Destination locality |
| destp | CHAR | Destination partner |
| desti | INTEGER | Destination index |
| clhdr.clsequal | CHAR | Close qualifier - RSPOK (0x02) - RSPERR (0x03) |
| clhdr.clstype | CHAR | Close type: STAT (0x11) |
| clhdr.clserr1 | INTEGER | Error code |
The error codes (for an ERROR-RESPONSE) are defined as:
| 0x03 | Station not open |
| 0x04 | Link not connected |
| 0x05 | Invalid station index |
| 0x06 | Duplicate request |