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Table 9–2: Hardware Components Used for Configuration Shown in Figure
9–11
Callout Number
Description
1
BN21W-0B Y cable
2
H879-AA HD68 terminator
3
BN38C (or BN38D) cable
a
4
H8861-AA VHDCI trilink connector
5
BN37A cable
a
a
The maximum combined length of the BN38C (or BN38D) and BN37A cables on one SCSI bus segment
must not exceed 25 meters.
9.4.3 Cabling a Non-UltraSCSI RAID Array Controller to an Externally
Terminated Shared SCSI Bus
A RAID array controller provides high performance, high availability, and
high connectivity access to SCSI devices through the shared SCSI buses.
Before you connect a RAID controller to a shared SCSI bus, you must install
and configure the disks that the controller will use, and ensure that the
controller has a unique SCSI ID on the shared bus.
You can configure the HSZ20, HSZ40, and HSZ50 RAID array controllers
with one to four SCSI IDs.
Because the HSZ20, HSZ40, and HSZ50 have a wide differential connection
on the host side, you connect them to one of the following differential devices:
• KZPSA-BB host bus adapter
• KZPBA-CB host bus adapter
• Another HSZ20, HSZ40, or HSZ50
______________________ Note _______________________
The HSZ20, HSZ40, and HSZ50 cannot operate at UltraSCSI
speeds when used with the KZPBA-CB.
You can also use a DS-DWZZH-03 or DS-DWZZH-05 UltraSCSI
hub with one of these RAID array controllers and either the
KZPSA-BB or KZPBA-CB host bus adapters. UltraSCSI cables
are required to make the connection to the hub. UltraSCSI speed
is not supported with these RAID array controllers when used
with a hub and the KZPBA-CB host bus adapter.
9–24 Configurations Using External Termination or Radial Connections to Non-UltraSCSI Devices