HP Surestore 660ex Optical Jukebox - Manual (Page 19)

Chapter 1 1-7
Setting Up the Jukebox
Connecting the SCSI Cables to the Jukebox
Ch
ap
ter
1
: Setti
ng
up
the Disk Driv
e
S
ettin
g Up
th
e
Ju
kebo
x
Connecting the SCSI Cables to the Jukebox
In all configurations, the following cabling capabilities apply:
The maximum cable length you have available for connection to your host computer
system or other devices depends on which interface type you select. The following
table lists the maximum SCSI bus lengths available to you.
Table 1-1 Maximum SCSI External Cable Lengths (Assuming no devices internal to the
host computer)
NOTE Hewlett-Packard recommends that you use SCSI cables with thumbscrew
connectors. Clip type cables may be used if you first remove the mounted
thumbscrew studs with a flat blade screwdriver. If the thumbscrew studs are not
removed, interference between the cable and the studs may result.
Interface types available Single-ended or differential SCSI, selected by
the interface selection switch on each
interface card
Number of interface cards
available One card in 4- and 6-drive models,
two cards in 10-drive models
Number of hosts This jukebox may be used in high availability
environments. High availability environments
can be complex and are not described in this
guide. Consult with your high-availability
vendor for installation and configuration.
Interface Type Maximum External Cable Length
Single-Ended SCSI
(50-pin high-density connector)
3 meters (9.8 feet)
Differential SCSI
(68-pin high-density connector)
25 meters (82.0 feet)