Device to translate logical unit number communications on one SC

Details Device to translate logical unit number communications on one SC Device to translate logical unit number communications on one SC

1992-04-16

1993-08-24

MacDonald, Allen R.

Boots, shoes, and leggings

395275, 364DIG1, 364DIG2, 3642285, 3642382, 3642383, 36492693, G06F 100

Patent

active

052396320

ABSTRACT:
A system and method that allows for up to fifty-six devices to be connected to a SCSI bus where there does not have to be any modification of the devices in terms of the SCSI interface. The Logical Unit Number of the SCSI ID number provided on a master SCSI bus is used as the subordinate bus SCSI ID number on a subordinate SCSI bus. Remapping of the data from the master SCSI bus to the subordinate SCSI bus is accomplished using this Logical Unit Number. In this way, direct communications appears to be occurring between a target device connected to the subordinate SCSI bus and an initiator device connected to the master SCSI bus. The Selection and Reselection cycles of the SCSI protocol are accommodate without any modification.

REFERENCES:
patent: 4914574 (1990-04-01), Terada
patent: 5067071 (1991-11-01), Schanin
patent: 5097439 (1992-03-01), Patriquin

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