Adaptec 2940UW - Examples of Cabling Wide and Narrow External SCSI Devices

24
SCSI Card 2940UW Pro User’s Reference
Examples of Cabling Wide and Narrow External SCSI
Devices
All host adapter SCSI termination is set to
Automatic
in
SCSISelect.
Note:
If correct 68-pin to 50-pin adapter is not used,
incorrect termination could occur and hang the SCSI bus.
Narrow
Device
Narrow
Device
50-pin
Cable
50-pin
Cable
68-pin
Cable
Wide Device
68-pin to 50-pin Adapter
(ACK-68P-50P-E)
(Terminated)
SCSI Card
2940UW Pro
Figure 11. Connecting Narrow and Wide External SCSI Devices
Narrow
Device
Narrow
Device
50-pin
Cable
50-pin
Cable
68-pin to 50-pin Adapter
(ACK-68P-50P-E)
(Terminated)
SCSI Card
2940UW Pro
Figure 12. Connecting Narrow External SCSI Devices
Narrow
Device
Narrow
Device
50-pin
Cable
50-pin
Cable
68-pin to
50-pin Adapter
(ACK-68P-50P-E)
Narrow
Device
Narrow
Device
68-pin Ribbon Cable
68-pin to
50-pin Adapter
(ACK-68P-50P-IU)
Wide Device
(Terminated)
(Terminated)
SCSI Card
2940UW Pro
Figure 13. Connecting Narrow External SCSI Devices
and Internal Narrow and Wide SCSI Devices