User's Manual
AR700 Series Router
18
LEDs on the AR770S
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 start up, or when the router 
system is malfunctioning. 
Flashing The router fan has failed.
Ethernet 
SFP 0..1
L/A
Green The SFP Eth port has a 1000 Mbps link. 
Green flashing Data is being transmitted or received.
Amber There is an SFP installed, but there is no link. 
Amber flashing There is a transmission fault at this SFP port.
Ethernet 
10/100/1000 
0..1
L/A
Green The Eth port has a 1000 Mbps link. 
Amber The Eth port has a 10 or 100 Mbps link. 
Flashing Data is being transmitted or received.
Ethernet 
10/100/1000 
0..1
D/C
Green The Eth port is operating at full duplex.
Amber The Eth port is operating at half duplex.
Amber flashing There is a collision on the Eth port. 
Switch Ports 
10/100/1000 
1..4
L/A
Green The switch port has a 1000 Mbps link. 
Amber The switch port has a 10 or 100 Mbps link. 
Flashing Data is being transmitted or received
Switch Ports 
10/100/1000 
1..4
D/C
Green The switch port is operating at full duplex.
Amber The switch port is operating at half duplex.
Amber flashing There is a collision. 










