Dell PowerVault 220S (SCSI) - Manual (Page 13)

Technical Specifications: Dell PowerVault 220S and 221S Systems User's Guide
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Technical Specifications
Dell™ PowerVault™ 220S and 221S Systems User's Guide
Drives
SCSI hard drives
support for up to fourteen 1-inch-by-3.5-
inch LVD Ultra 160 and Ultra 320 hot-plug
hard drives, at speeds of 10K or 15K rpm
and capacities of 18 GB, 36 GB, 73 GB, or
146 GB.
Bus
Configurations
support for any of the following:
one 14-device SCSI bus (joined-
bus mode)
one clustered 13-device SCSI bus
(cluster mode)
two independent 7-device SCSI
buses (split-bus mode)
Back-Panel Connectors
SCSI connector
68-pin shielded P-type SCSI for
connection to host
Backplane Board Connectors
Hard drives
fourteen 80-pin SCA-2 connectors
Power supply/cooling module 2 high-current connectors
Enclosure management modules (EMM) 210-pin connector
Split-bus module 180-pin connector
Enclosure Modules
EMM
2 warm-pluggable modules
Split-bus module 1 warm-pluggable module with an
external slide switch to change between
split-bus, joined-bus, and cluster modes
SCSI terminator card 1 warm-pluggable module to the
terminate SCSI bus in nonredundant EMM
configurations
LED Indicators
Front panel
5 LED status indicators for power, fault,
split bus, cluster mode, and over-
temperature
Hard-drive carrier 1 single-color activity LED and 1 two-
color LED status indicator per drive
EMM 3 LED status indicators for power, fault,
and active status
Split-bus module 1 LED indicator for power