Hp StorageWorks 3000 RAID Array Manual do Utilizador Página 28

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1-12 RAID Array 3000 Controller Shelf Hardware Users Guide
Compaq Confidential Need to Know Required
Writer: Bob Young Project: RAID Array 3000 Controller Shelf Hardware Users Guide Comments:
Part Number: EK-SMCPQ-UG. D01 File Name: b-ch1 Product Overview.doc Last Saved On: 12/4/00 1:09 PM
Host I/O Module
The controller shelf contains two identical host I/O modules
(see Figure 17). The module located directly to the left of the device I/O
module is designated as H1 and the module in the adjacent slot as H0. The
host I/O module provides the interface between the host bus and the controller
in the shelf.
S
HR-1
0
3
6
Host Out
Host In
CTR
UPS
Figure 1-7. Host I/O module
The front panel of the host I/O module contains two 68-pin VHDCI SCSI
connectors and two 9-pin D connectors. The SCSI connectors provide the
SCSI bus connections between the adapter in the host system and the
controllers in the Shelf. One of the 9-pin D connectors interfaces the UPS
status signals to the controller. The other provides a serial connection between
its respective controller, the shelf, and the SWCC configuration/maintenance
PC.
The high-density SCSI connectors on the Host I/O module are designated Host
In (bottom connector) and Host Out (top connector). Host In provides the
SCSI connection for a one-to-four expansion shelf cabinet installation. Cable
connections to multiple storage shelves are made through Trilink adapters.
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