Expansion Module - Dell EMC ME4 Series Owner's Manual

Figure 15. 4-port FC/iSCSI controller module detail
1 Back-end expansion SAS port
3 USB serial port
5 SAS ports
Figure 16. 4-port HD mini-SAS controller module detail
1 Back-end expansion SAS port
3 USB serial port
5 SAS ports

Expansion module

Figure 17. Expansion module detail ME412/ME424/ME484
Ports A/B/C ship configured with 12 Gb/s HD mini-SAS (SFF-8644) external connectors.
Figure 17. Expansion module detail ME412/ME424/ME484
1 Serial port
3 Disabled SAS expansion port B
NOTE: RBOD/EBOD configurations
• When the expansion module shown in
controller modules for adding storage, its middle HD mini-SAS expansion port ("B") is disabled by the firmware.
• The Ethernet port on the expansion module is not used in controller/expansion enclosure configurations, and is disabled.
2
4
2
4
shows the IOM used in supported expansion enclosures for adding storage.
2
4
Figure 17. Expansion module detail ME412/ME424/ME484
Ethernet port used by management interfaces
Serial ports (service only)
Ethernet port used by management interfaces
Serial ports (service only)
SAS expansion ports
Disabled Ethernet port
is used with ME4 Series
Storage system hardware 15