|ARB(x)||Arbitrate address x for loop control|
Open one other NL_Port
- Full duplex- Half duplex
- 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.
Primitive sequences are not recognized or acted upon until the third consecutive occurrence ...