
Managed Layer 2+ Stackable Switches FSM7226RS and FSM7250RS Hardware Installation Guide
Introduction
1-3
v1.0, October 2008
FSM7250RS Rear Panel
The rear panel has two stacking ports, a redundant power supply connector, a console port, and a
standard AC power receptacle for the supplied power cord.
Power receptacle
Console port
Power supply connector
Stacking ports
Figure 1-4
Interpreting the LEDs
The following table describes the LEDs on the front panel of the switch.
Table 1-1. LED Descriptions
LED
Description
PWR (power)
•
Solid green:
Power is supplied and the switch is working.
•
Blinking green
. Power-on self-test (POST) in progress.
•
Solid yellow
: System is booting up.
•
Blinking yellow:
POST, CPU, or power supply has failed.
•
Off:
Power is disconnected.
FAN
•
Yellow:
Fan has failed.
•
Green:
Fan operating normally.
RPS
(redundant power supply)
•
Solid green:
The redundant power supply is connected (and using
internal power).
•
Solid yellow:
The switch internal power has failed or been disconnected,
but the redundant power supply is providing power to the switch.
•
Blinking yellow
: The redundant power supply unit is present, but the
power has failed.
•
Off:
The redundant power supply is disconnected or not present.
Stack Master
•
Solid Green:
The switch is master of the stack.
•
Off:
The switch is not master of the stack.