
Chapter 1 Controls, Ports and Indicators
4
SCSI Drive
Status LEDs
These LEDs indicate the state of the respective SCSI disk
drive:
• Off for SCSI drive not present.
• Steady Green for SCSI drive present.
• Alternating Red/Green (fast blink) for a SCSI drive
identify.
• Steady Red for SCSI drive failure.
SCSI Activity LED
This LED indicates SCSI Hard Disk activity:
• Flickering Green when there is SCSI activity.
• Off when there is no power or SCSI activity.
Rear Panel
The connectors and ports are located on the rear panel of the HP Cache Server
Appliance are illustrated in Figures 1-3 and 1-4.
The following is a list of the connectors and ports that are used by the HP Cache
Server Appliance. The other connectors and ports on the rear panel are not
required.
• The power connector accepts a standard power cable to connect the
HP Cache Server Appliance with a UPS or site power source. A second
power supply for redundancy is installed in the sa2200/sa2250. Each power
supply has its own power cord connection.
• The serial port labeled “Serial/Management Port” is a standard serial port
that can be used to attach a laptop or PC for console-based configuration as
described in Chapter 3.
• The dedicated serial port (Serial B) on the sa2200/sa2250 is a standard serial
port that can also be used to attach a laptop or PC for console-based
configuration as described in Chapter 3.
• The two LAN ports (LAN A and LAN B) are for the embedded network
adapters based on Intel's 82559 10/100 BaseT Fast Ethernet adapter. Each
LAN port has a RJ-45 LAN connector and two LEDs to indicate LAN speed
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