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DataSheet4U.
com Agilent HDMP-0450 Quad Port Bypass Circuit for Fibre Channel Arbitrated Loops Data Sheet Description The HDMP-0450 is a Quad Port Bypass Circuit (PBC) which provides a low-cost, low-power physical-layer solution for Fibre Channel Arbitrated Loop (FC-AL) disk array configurations.
By using a PBC such as the HDMP-0450, hard disks may be pulled out or swapped while other disks in the array are available to the system.
A PBC consists of multiple 2:1 multiplexers daisy chained together.
Each port has two modes of operation: “disk in loop” and “disk bypassed.
” When the “disk in loop” mode is selected, the loop goes into and out of the disk drive at that port.
For example, dat...

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