Compaq DWZZH - Manual (Page 14)

DWZZH 16-Bit UltraSCSI Hub
1–2 EK–DWZZH–UG. D01
1.2 Product Descriptions
There are two classes of DWZZH Hubs: 3.5" SBB Hubs, and 5.25" SBB Hubs.
1.2.1 DWZZH 3.5" SBB Hubs
The DWZZH small UltraSCSI Hub (Figure 1-1) comes in two versions.
•
DWZZH-21 contains two single–ended UltraSCSI connectors and one
differential UltraSCSI connector; Figure 1-2 illustrates the front panel.
•
DWZZH-03 contains three differential UltraSCSI connectors; Figure 1-3
illustrates the front panel.
CAUTION
Connecting a differential bus cable to the single-
ended connector, or a single-ended bus cable to
the differential connector causes the SCSI bus to
fail.
Figure 1–1 DWZZH–21 or DWZZH–03 3.5" SBB Hub