April 1999
Intermediate to advanced
155 pages
2h 24m
English
Content preview from Fibre Channel for Mass Storage
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3.2. Operations of the FC-AL
3.2.1. Primitive Signals
| Signal | Description |
| ARB(x) | Arbitrate address x for loop control |
| OPN(y) |
Open one other NL_Port
- Full duplex - Half duplex |
| OPN(r) |
Replicate
- Broadcast - Selective replicate or multicast |
| CLS | Close the circuit at the NL_Port |
| MRK(tx) | Synchronization signal ‘t’ from ‘x’ |
| Note: The ‘x’ is the address of the port wanting to own the loop and the ‘y’ is the address of the port to be opened. | |
Primitive signals are sent by a transmitting port and recognized and acted upon by a receiving port. Currently, the MRK signal is not supported by Hewlett-Packard.
3.2.2. Primitive Sequences
Primitive sequences are not recognized or acted upon until the third consecutive occurrence ...
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