HP Surestore 125ex - Optical Jukebox Manual page 24

1
1
S
ETTING UP THE
C
ONNECTING THE
P
ERIPHERALS
Connecting this jukebox with other peripherals on the bus is shown in
Important:
NEXT
whether to connect other devices onto the same bus.
PREVIOUS
JUMP
A basic review of SCSI and a discussion of the issues involved with connecting devices on a bus is in Appendix B.
Caution:
CONTENTS
Important:
INDEX
J
UKEBOX
Other devices on the same bus as this jukebox will affect jukebox performance. Consider the following issues if you are deciding
• How will the jukebox be used: archiving, backup, near-line storage? What performance must be maintained?
• How will the additional peripheral will be used? How much demand will the additional peripheral place on the bus?
• What is the bus length available?
Do not connect a high-voltage differential device onto the same bus as this jukebox. Damage to the high-voltage differential device
interface electronics can occur.
Do not add a single-ended device onto the bus if you intend the bus to be a low-voltage differential bus. The bus will switch to
single-ended mode if any single-ended devices are detected.
If you mix single-ended and low-voltage differential devices (causing single-ended operation) on total cabling longer than 9.8 feet
(3 metres), SCSI bus problems could occur. This jukebox will operate in single-ended mode, but must be on a bus that is 9.8 feet (3
metres) or less.
J
UKEBOX WITH
O SCSI
THER
Figure 1-5.
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