Identify the status leds, Power – Black Box LR1530A-EU-R3 User Manual
Page 21

Installation
15
Identify the Status LEDs
The meanings of the four 3-colour Light Emitting Diodes (LEDs) on
the front of the router are found in the following chart:
Green
Router is running and has passed power-up diagnostics
Green (flashing)
Router is in BOOT mode and is programming the flash
Red
Router is powered up but has failed power-up diagnostics
Yellow
Router is decompressing the software into the RAM
Yellow (flashing)
Router is in BOOT mode
Power
Green
LAN is connected and forwarding
Red
Router is NOT connected to the LAN
Yellow
LAN is connected and NOT forwarding: i.e. Listening,
Learning, or Blocking
LAN
Green
LINK is up, idle
Green (flashing)
LINK is up transmitting data traffic
Yellow
LINK negotiating - control signals asserted on link
Red
LINK is down (no control signals present)
Tx
Green
LINK is up, idle
Green (flashing)
LINK is up receiving data traffic
Yellow
LINK negotiating - control signals received from link
Red
LINK is down (no control signals present)
Rx