Operating Manual
U42093-J-Z716-1-74
How the PSFR-CP41 Works
Introducing the PSFR-CP41
How the PSFR-CP41 Works
The PSFR-CP41 acts as a pass-though device that translates Fibre Channel
FCP to and from a SCSI bus so devices on these two types of media can
communicate with each other. It attaches to either a Fibre Channel or SCSI
host, and transfers the command, data, and status information to SCSI or Fibre
Channel targets. The host passes packets to SCSI or Fibre Channel targets as
if the PSFR-CP41 were just another device along the path.
The PSFR-CP41 provides connections for a single SCSI bus and a Fibre
Channel Arbitrated Loop or Switched Fabric. It takes advantage of Fibre
Channel’s ability to encapsulate SCSI protocol packets to allow a host with a FC
or SCSI adapter to access SCSI or FC peripheral devices transparently over a
FC connection.
Fibre Channel-to-SCSI configuration
The figure shows a Fibre Channel-to-SCSI configuration. Through the PSFR-
CP41 router, any host on the Fibre Channel loop can access the tape drive and
library on the SCSI bus.
