Dell EMC Data Domain ES30 Expansion Shelf, Руководство по оборудованию

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Figure 76 DD990 back panel
DD2500 systems
DD2500 systems provide onboard interfaces located on the far lower left side when
facing the back of the system. The onboard interfaces enable system status checks
and connection to the system through a serial console or through Ethernet. A USB
port is provided for use during service of the system to allow booting from a USB flash
device.
A DD2500 system can contain up to 4 I/O modules including Fibre Channel, Ethernet
and SAS. A SAS I/O module must be in slot 3 only.
Figure 77 DD2500 back panel
DD4200, DD4500, and DD7200 systems
The management module is located on the far left side when facing the back of the
system, in slot Management A. The management module contains one external LAN
connection for management access to the system processor (SP) module. One micro
DB-9 connector is included to provide the console. A USB port is provided for use
during service of the system to allow booting from a USB flash device.
All systems contain 9 (0-8) available I/O module slots. Depending on the system,
there can be up to 6 Ethernet modules, 4 Fibre Channel modules, or 4 SAS modules in
a system.
For I/O modules containing multiple ports, the bottom port is numbered as zero (0)
with numbers increasing going upward.
Data Domain-Specific Installation
114 Data Domain ES30 Expansion Shelf and FS15 SSD Shelf Hardware Guide