10 Sun StorageTek 2500 Series Array Hardware Installation Guide • September 2009
Each controller has a media access control (MAC) address that identifies it on the
network. The MAC address for a controller is on a label on the controller. The MAC
address label is attached to the controller at the rear of the tray near the serial port.
The tray ID numbers are set by the trays themselves on first power on. However,
you can change the setting through the Common Array Manager software. The tray
ID numbers on both of the controllers in one controller tray are identical under
optimal operating conditions.
Sun StorageTek 2540 Array
This Fibre Channel (FC) controller tray provides the following capabilities:
■ Two Fibre Channel data host ports per controller with 1, 2, or 4 Gb/s data host
connection speed
■ One drive expansion tray Serial Attached SCSI (SAS) port with 3 Gb/s drive
expansion tray connection speed
■ 512-MB or 1-GB mirrored cache
■ Maximum connection of 48 disk drives (one controller tray and three drive
expansion trays)
When fiber-optic cables are used to connect to the data host, a Small Form-factor
Pluggable (SFP) transceiver is required to make the connection.
FIGURE 1-6 Sun StorageTek 2540 Array Ports
1. Drive Expansion Tray Port (SAS
Out)
2. Ethernet Management Host Port
3. Fibre Channel Data Host Ports
4. RS-232 Port (Serial Port)
5. Not Used
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