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Connecting External SCSI Devices
External SCSI-2 devices connect to your system through the built-in single-ended
Fast/Wide SCSI-2 port on I/O+ boards (except for the board in slot 1), or through
FSBE/S, DSBE/S, SWIS/S, or DWIS/S SBus cards installed on I/O+ boards.
Note -
The onboard SCSI-2 bus on the I/O+ board in slot 1 controls internal media
tray devices. Therefore, the external SCSI connector on the I/O+ board in slot 1 must
always have a terminator installed.
Note -
The maximum combined length for a string of SCSI cables is 6 meters for
non-differential cables. For differential SCSI cables, the maximum is 25 meters. When
calculating the total length of a SCSI string, include external cables, internal cables,
and printed traces. Table 2–3 lists internal measurements for the Enterprise servers.
TABLE 2–3
Internal SCSI Lengths (Approximate)
Location
Internal Length
SBus+ I/O
board
0.43 meter
G I/O
board
0.43 meter
For information on device addressing, priorities, and slot assignments, refer to
“Rules for System Configuration” in the Sun Enterprise 3500 System Reference Manual,
part number 805-2630.
Caution -
Risk of equipment damage. Do not assign the same SCSI address to two
devices sharing the same SCSI bus or SBus card.
To connect an external SCSI device to your system:
Cabling the System
25
Summary of Contents for Enterprise 3500
Page 2: ...USA 650 960 1300 fax 650 969 9131 ...
Page 3: ...Sun Enterprise 3500 System Installation Guide Part No 805 2629 10 Revision A April 1998 ...
Page 12: ...xi Sun Enterprise 3500 System Installation Guide Revision A April 1998 ...
Page 20: ...8 Sun Enterprise 3500 System Installation Guide Revision A April 1998 ...
Page 51: ...VCCI Regulatory Agency Compliance Statements 39 ...
Page 53: ...Index Index 41 ...