Dell DAE2P Hardware Reference - Page 22

Midplane, Front bezel, installation procedure

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About DAE2P and DAE3P disk enclosures 0 1 Bus ID 2 3 Enclosure Address EA Selection (Press here to change EA) 3 2 1 0 # 7 6 5 4 7 6 5 4 ! !! EXP PRI ! B # PRI EXP A # PRI EXP EXP PRI !! Figure 1-5 Disk enclosure bus and address indicators EMC3210 The enclosure address is set at installation. Disk module IDs are numbered left to right (looking at the front of the unit) and are contiguous throughout an array: enclosure 0 contains modules 0-14; enclosure 1 contains modules 15-29; enclosure 2 includes 30-44, and so on through eight enclosures. The enclosure EA switch and bus indicator are described in the installation procedure in Chapter 2. The status lights are described in the "Monitoring disk enclosure status" section of Chapter 3. Midplane A midplane between the disk modules and the LCC and power/cooling modules distributes power and signals to all components in the enclosure. LCCs, power/cooling modules, and disk drives - the enclosure's field-replaceable units (FRUs) - plug directly into the midplane. Front bezel The front bezel, shown in Figure 1-6, has a locking latch and an electromagnetic interference (EMI) shield. You must remove the bezel 1-6 DAE2P/DAE3P Hardware Reference

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1-6
DAE2P/DAE3P Hardware Reference
About DAE2P and DAE3P disk enclosures
Figure 1-5
Disk enclosure bus and address indicators
The enclosure address is set at installation. Disk module IDs are numbered
left to right (looking at the front of the unit) and are contiguous throughout
an array: enclosure 0 contains modules 0-14; enclosure 1 contains modules
15-29; enclosure 2 includes 30-44, and so on through eight enclosures.
The enclosure EA switch and bus indicator are described in the
installation procedure in
Chapter 2
. The status lights are described in
the
“Monitoring disk enclosure status”
section of
Chapter 3
.
Midplane
A midplane between the disk modules and the LCC and
power/cooling modules distributes power and signals to all
components in the enclosure. LCCs, power/cooling modules, and
disk drives — the enclosure’s field-replaceable units (FRUs) — plug
directly into the midplane.
Front bezel
The front bezel, shown in
Figure 1-6
, has a locking latch and an
electromagnetic interference (EMI) shield. You must remove the bezel
!
!
!
!
!
EXP
PRI
EXP
PRI
#
!
EXP
PRI
EXP
PRI
#
A
B
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
B
us
ID
Enclo
su
re
Addre
ss
#
EA
S
election
(Pre
ss
here to
ch
a
nge EA)
EMC
3
210