Crus - 2U24-Drive Chassis - Dell EMC ME4 Series Owner's Manual

Item Enclosure component description
b) Blank drive carrier module (blank to maintain optimum air flow within enclosure)
2 Ear components (not customer replaceable)
a) Left ear assembly
b) Right ear assembly
3 Chassis (sheet metal enclosure that is configurable as an RBOD or EBOD)
4 Midplane PCB (included with chassis; not available separately)
5 Power cooling module (PCM) available as AC unit (chassis uses two PCMs of same model type)
6 Expansion module for storage expansion I/O (used when chassis is configured as an EBOD)
a) 3-port 12Gb/s SBB expansion module
7 Controller module host interfaces for storage system (used when chassis is configured as an RBOD)
a) ME4 Series 4-port FC/iSCSI supports (16Gb/s FC and 10GbE iSCSI) qualified SFP options*
b) ME4 Series4-port mini-SAS (12Gb/s) supports various qualified SFF-8644 to SFF-8644
c) ME4 Series 4-port iSCSI 10Gbase-T (10Gb/s or 1Gb/s)
8 Small form-pluggable SFP connectors
a) SFP transceiver: 16Gb/s FC and 10GbE iSCSI
9 Rail kit (variable attachment options)
a) 2U rack mount kit, shelf, short, all HW
10 Cable kit [Cable package: standard HD mini-SAS (SFF-8644) to HD mini-SAS (SFF-8644)]
Cable kit [Cable package: 3.5mm cable; CLI
11 AC power cord compatible with AC PCM
*ME4 Series models support FC and iSCSI SFPs used in combination.
NOTE:
SBB IOMs used in ME4 Series storage enclosures
2U 12-drive ME4 Series enclosures. Modules are shown oriented for insertion into IOM slot A located on the 2U enclosure rear panel.
This orientation also applies to both IOM slots in 5U84 enclosures.
CRUs – 2U24-drive chassis
This section describes 2U24 drive chassis product components.
Table 31. ME4 Series Storage System product components for 2U 24–drive chassis
Item Enclosure component description
1 Disk drive (SFF)
a) 2.5" disk drive module (disks of differing type/speed and storage capacity: SAS, SSD)
b) Blank drive carrier module (blank to maintain optimum air flow within enclosure)
2 Ear components (not customer replaceable)
shows pictorial representations of controller modules and expansion modules used in
Troubleshooting and problem solving 49