Hardware Reference

27

AR770S LEDs and what they mean

The following table shows the functions of the AR770S LEDs. Additional LEDs may be present if a PIC is installed. Functions of PIC LEDs are described in the Port Interface Card Hardware Reference.

LED

State

Function

Status PWR

Green

The router is receiving power and is switched ON.

 

 

 

Status SYS

Off

Normal operation.

 

 

 

 

Amber

Lit briefly during router startup, or when the router

 

 

system is malfunctioning.

 

 

 

 

Flashing

There is a fault. To check the router’s fan speed,

 

 

temperature, and internal voltages, use the show

 

 

system command.

 

1 flash

The router fan has failed.

 

3 flashes

There is an internal power supply fault in the router.

 

6 flashes

The router temperature is too high or too low. Put the

 

 

router in a location that will maintain an ambient

 

 

temperature range of 0 ºC to 50 ºC (32 ºF to 122 ºF),

 

 

with adequate airflow around the router and its vents.

 

 

 

Ethernet

Green

The SFP Eth port has a 1000 Mbps link.

SFP 0..1

 

 

Green flashing

Data is being transmitted or received.

L/A

 

 

Amber

There is an SFP installed, but there is no link.

 

 

 

 

 

Amber flashing

There is a transmission fault at this SFP port.

 

 

 

Ethernet

Green

The Eth port has a 1000 Mbps link.

10/100/1000

 

 

Amber

The Eth port has a 10 or 100 Mbps link.

0..1

 

 

Flashing

Data is being transmitted or received.

L/A

 

 

 

 

 

Ethernet

Green

The Eth port is operating at full duplex.

10/100/1000

 

 

Amber

The Eth port is operating at half duplex.

0..1

 

 

Amber flashing

There is a collision on the Eth port.

D/C

 

 

 

 

 

Switch Ports

Green

The switch port has a 1000 Mbps link.

10/100/1000

 

 

Amber

The switch port has a 10 or 100 Mbps link.

1..4

 

 

Flashing

Data is being transmitted or received

L/A

 

 

 

 

 

Switch Ports

Green

The switch port is operating at full duplex.

10/100/1000

 

 

Amber

The switch port is operating at half duplex.

1..4

 

 

Amber flashing

There is a collision.

D/C

 

 

 

 

 

PIC 0..1

Green

A port interface card (PIC) is correctly installed and has

 

 

been detected by the router.

 

 

 

C613-03087-00 Rev E

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Allied Telesis AR700 Series manual AR770S LEDs and what they mean, State Function

AR700 Series specifications

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