2-18
Installing the Switch
Installation Procedures
Installing the Switch
Figure 2-12. The back of a 620 RPS/EPS.
LED State Meaning
Power
(green)
On The unit is powered on.
Off The unit is NOT powered on.
Fault
(orange)
Off The normal state; indicates that there are no fault conditions on the unit.
Blink
orange
1,3
A fault has occurred on the unit, one of the ports, or the fan. The Status LED for the
component with the fault will blink simultaneously.
On On briefly after the unit is powered on or reset, at the beginning of unit self test. If
this LED is on for a prolonged time, the unit has encountered a fatal hardware
failure, or has failed its self test. See chapter 3, “Troubleshooting” for more
information.
Temp Status
(green and orange)
On The temperature of the unit is within specification.
Blink
orange
2
One of these conditions exists:
• A cooling fan has failed. The unit Fault LED and Fan Status LED will be blinking
simultaneously.
• There is an over temperature condition in the unit. The unit Fault LED is off.
Fan Status
(green and orange)
On The cooling fans are operating normally.
Blink
orange
1
A cooling fan has failed. The unit Fault LED will be blinking simultaneously.
Port Status (also on back panel of the 620 RPS/EPS)
