Perle Systems 1700 manual Identify the Status LEDs, Off

Applications

Identify the Status LEDs

The four three colour Light Emitting Diodes (LEDs) on the front of the router are depicted in Figure 1-1. The meanings of these LEDs are found in the following chart.

Off	Bridge/Router is powered down
Green	Bridge/Router is running and has passed power-up diagnostics
Green (flashing)	Bridge/Router is in BOOT mode and is programming the flash
Red	Bridge/Router is powered up but has failed power-up diagnostics
Yellow (flashing)	Bridge/Router is in BOOT mode
POWER
Off	Module is not installed
Green	Module is connected and forwarding
Yellow	LAN is connected and NOT forwarding:
	i.e. Listening, Learning, or Blocking
Red	Bridge/Router is NOT connected to the LAN
LAN
Off	Module is not installed or is configured to be down: Disabled.
Green	Connection is up* / LAN 2 connected and forwarding
Yellow	LINK is negotiating in ISDN. LINK is auto-learning LMI type
	in Frame Relay. Not used in Leased Line or LAN mode

Red

Software failure (if WAN module installed)

LAN 2 not connected (if LAN2 module installed)

LINK 1/LAN 2

Off	Module is not installed or is configured to be down: Disabled.
Green	Connection is up*
Yellow	LINK is negotiating in ISDN. LINK is auto-learning LMI type
	in Frame Relay. Not used in Leased Line mode
Red	Software failure

LINK 2

*If the module is an ISDN BRI interface, a connection on either B-channel will display a green LED.

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