Front Panel Leds - Cisco 500 Series Quick Start Manual

Stackable managed switches

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Front Panel LEDs

Master—(Green) Lights steady when this switch is a stack master.

Fan—(Green) Lights steady when the cooling fan is operational, blinks

green if there is a failure.

System LED—(Green) Lights steady when the switch is powered on, and

flashes when booting, performing self tests, or acquiring an IP address. If

the LED flashes Amber, the switch has detected a hardware failure.

Stack ID—(Green) Lights steady when this switch is stacked and the

corresponding number indicates its Stack ID. When a switch has a Stack ID

greater than 4, a combination of the LEDs will light up to add up to the

Stack ID. For example, Stack ID #5 is LED#1 and LED#4, Stack ID #8 will

show LED#1, LED#3 and LED#4.

The above LEDs are found on each model of the switch. The

OTE

following LEDs are only present on switch models that have those

capabilities:

LINK/ACT LED—(Green) Located on the left of each port. The light is

steady when a link between the corresponding port and another device is

detected. Flashes when the port is passing traffic.

PoE (if present)—(Amber) Located on the right of a PoE port. Lights steady

to indicate that power is being supplied to a device attached to the

corresponding port.

100M LED (if present)—(Green) Located on the right of the port. Lights

steady when another device is connected to the port, is powered on, and a

100 Mbps link is established between the devices. When the LED is off, the

connection speed is under 100 Mbps or nothing is cabled to the port.

Gigabit LED (if present)—(Green) Located on the right of a GE port. Lights

steady when another device is connected to the port, is powered on, and a

1000 Mbps link is established between the devices. When the LED is off,

the connection speed is under 1000 Mbps or nothing is cabled to the port.

SFP (if present)—(Green) Located on the right of a GE port. Lights steady

when a connection is made through the shared port. Flashes when the port

is passing traffic.

500 Series Stackable Managed Switches

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