Chapter 3. Operating the switch
This chapter provides the following information:
v
“Powering the switch on and off”
v
v
v
“POST and boot specifications” on page 25
v
“Interpreting POST results” on page 26
v
v
“Maintaining the switch” on page 26
v
“Managing the switch” on page 31
Powering the switch on and off
See Chapter 2, “Installing and configuring the switch,” on page 7 for initial setup
instructions before powering the switch on for the first time. Once the switch has
been properly configured, follow these instructions to power the switch on and off.
The SAN24B-4 does not have an AC power switch. To power on the SAN24B-4,
connect the power cable to the AC receptacle on the switch and to a power source.
The switch runs POST by default each time it is powered on, reset, or rebooted,
and requires a minimum of three minutes to run. To end the flow of power to the
switch, remove the power cord from the power source.
Interpreting LED activity
System activity and status can be determined through the activity of the LEDs on
the switch. All LEDs are located on the port side of the switch. There are three
possible LED states: no light, a steady light, and a flashing light. The steady lights
and flashing lights can be green or amber. The LEDs flash either of these colors
during boot, POST, or other diagnostic tests. This is normal and does not indicate a
problem unless the LEDs do not indicate a healthy state after all boot processes
and diagnostic tests are complete.
The switch has the following LEDs:
v
System power LED–One LED (green) to indicate system power
v
System status LED–One LED (green/amber) to indicate system status
v
Ethernet status LEDs–Two LEDs to indicate speed and link status
v
Port status LEDs–24 LEDs (green/amber) to indicate status for each port
© Copyright IBM Corp. 2008, 2014
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