User Guide
3. Component Overviews
3.2 IOM Description
Figure 17:
Overview Image
The IOM provides system data connectivity through 4 Mini-SAS HD ports each capable of four 12Gbps SAS
connections. The IOM is installed into the central bay from the top of the Chassis and connect to the drive
board. The baseboard completes the connection to the Mini-SAS HD ports
The IOM contains a primary and two secondary SAS expander chips, and an out-of-band management
(OOBM) chip that connects to the management port on the rear of the enclosure.
3.2.1
IOM Specifications
Specification
Value
Connector Type x4 HD Mini-SAS (connected externally at the rear of the enclosure)
Number per Enclosure
1
Part Number
1EX1828
Hot Swappable?
No
FRU or CRU?
CRU
Weight
1.27 kg / 2.8 lbs
3.2.2
IOM Layout
48