Managed Layer 2 Switches GSM7224 and GSM7248 Hardware Installation Guide
Introduction 1-3
v1.0, July 2009
GSM7248 Rear Panel

The rear panel has a console port, a redundant power supply connector, and a standard AC power

receptacle for the supplied power cord.

Interpreting the LEDs

The following table describes the LEDs on the front panel of the switch.

Figure 1-4
Table1-1. 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. The fan has failed.
•Off. The fan is 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.
Power receptacleConsole Redundant
power supply
connector