Dell PowerVault 200S (SCSI) - Manual (Page 11)

Dell PowerVault 2xxS Storage Systems SCSI Backplane Board Replacement Instructions 11
9. Remove both enclosure services modules or enclosure services expander
modules.
10. Using a ball-head Allen driver, tighten the two screws in the left enclosure
services module bay and then tighten two screws in the right enclosure
services module bay.
Install the Dual-Bus Split Backplane Module on the
Replacement SCSI Backplane Board
Install the replacement dual-bus split backplane module onto the replacement
backplane board. The dual-bus split backplane module is keyed, but care must
be taken not to bend the contact pins.
Install the Component Mounting Bracket
To install the component mounting bracket, perform the following steps:
1. Carefully insert the component mounting bracket into the back of the stor-
age system.
2. Slowly slide the bracket all the way into the housing. Some up-down and
side-to-side motion may be necessary to slide the bracket in. Ensure that
the center guide tab at the bottom of the housing goes into the slot on the
center support of the component mounting bracket.
3. Insert the two screws and, using a Phillips-head screwdriver, tighten the
screws to secure the component mounting bracket to the chassis.
Install the Enclosure Services Modules or Enclosure
Services Expander Modules
NOTICE: In a nonredundant system, install the enclosure services
module or enclosure services expander module and the terminator
blank in the same module bays from which they were removed.
NOTICE: In a redundant system, install the enclosure services mod-
ules or enclosure services expander modules in the same module
bays from which they were removed.
NOTE: A redundant storage system has two enclosure services modules or
enclosure services expander modules. A nonredundant storage system has a
single expansion services module or enclosure services expander module and
a terminator blank. Because an enclosure services module, enclosure services
expander module, and a terminator blank install in the same manner, all these
components are referred to as an enclosure services module in this procedure.
To install the enclosure services modules, perform the following steps: