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PRINTER NOTE: Page size 9” x 9.25”. Align this page to top, right hand corner. Back box bleeds off
top and right edge. Left side of page extends to 9.25 inches.
Configuration Modules
The DEU is available in two bus configurations which
is determined by the configuration module installed.
The Dual-Bus module provides for a split bus design,
while the Single-Bus module connects both SCSI buses
together that can be used when all drives are required
on one SCSI bus.
The Single-Bus module is larger in physical size than
the Dual-Bus module and is easily identified by a
description silk-screened on the module card. It is
located on the backplane printed circuit board and is
accessed from the rear door panel.
The configuration modules are installed at location JP1
on the backplane PCB. The connector is keyed and the
module will install only one direction. For illustration
purposes, the tower system is used to depict the
location of the modules.
Single-Bus Module
Dual-Bus Module
Backplane PCB
(JP1)
NOTE:
The cover is cut
away to demonstrate
the location of the installed
configuration module.