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Cisco ME 3400 Ethernet Access Switch Hardware Installation Guide
OL-7677-04
Chapter 1 Product Overview
Front Panel Description
The System LED shows whether the system is receiving power and is functioning properly.
Table 1-2 lists the LED colors and their meanings.
Power Supply LEDs (Only Cisco ME 3400G-12CS Switches)
The Cisco ME 3400G-12CS switches have power supply LEDs labeled PS1 and PS2, as shown
in Figure 1-11. The lit LED shows which power supply is on. Figure 1-11 shows the PS LEDs for an
AC switch. The PS LEDs for a DC switch are in the same position on the front panel.
Figure 1-11 Cisco ME 3400G-12CS Switch PS LEDs
Port LEDs
Each RJ-45 port and SFP module slot has a port LED. These port LEDs, as a group or individually,
display information about the switch and about the individual ports. Table 1-3 explains how to interpret
the port LED colors.
Table 1-2 System LED
Color System Status
Off System is not powered on.
Blinking green POST is in progress.
Green System is operating normally.
Amber System is receiving power but is not functioning properly.
1 PS1 LED 2 PS2 LED
SYSTEM
PS 1
PS 2
RATING
100-240V ~
1A-0.5A, 50-60 HZ
PS1
PS2
RATING
100-240V ~
1A-0.5A, 50-60 HZ
1
2
157515
Table 1-3 Meaning of Port LED Colors
LED Color Meaning
Off No link, or port was administratively shut down.
Green Link present but not sending or receiving data.
Blinking green Activity. Port is sending or receiving data.