Cisco Systems MWR 1900 Figure A-1 Front Panel of the MWR, Table A-2 Fast Ethernet Connector LEDs

Appendix A Troubleshooting

Reading the LEDs

Figure A-1 Front Panel of the MWR 1900

	VWIC LEDs:
Fast	Alarm (A)
	Loopback (A)
ethernet	Carrier detect (G)		VWIC LEDs:
LEDs:		VWIC
Activity (G)			Alarm (A)
Speed (G)	VWIC	position 0	Loopback (A)
Link (G)	position 2	2 ports	Carrier detect (G)

	SEE
	MANUAL		DSU
	BEFORE	INSTALLATION
			56K
				SEE	MANUAL
						BEFORE
						INSTALLATION
Network module				CONSOLE		AUXILIARY
								Air vent (both sides)
slot	Compact		Console
2 FE
ports	flash slot VWIC			port				Power (G)
							Auxiliary
	position 1							Status (G)	Chassis LEDs
	2 ports						port	Activity (G)
Table A-1 Chassis LEDs

65783

		LED	Color		Status
		Power	Green		Operating voltages on the mainboard are within acceptable ranges.
			Off		The router is not connected to a power supply or an error condition has
					been detected in the operating voltages.
		Status	Green		The router’s software has booted up and the system is operational.
			Off		The router has not yet booted or an error condition has been detected in
					the boot process.
		Activity	Green		Packets or interrupts are being sent or received by the router.
			Off		No activity.
		Table A-2 Fast Ethernet Connector LEDs
		LED		Color		Status
		Activity		Green		Data is being transmitted on the link.
				Off		No data is being transmitted.
		Speed		Green		100 Mbps communication speed attained.
				Off		10 Mbps communication speed attained, or no link established.
		Link		Green		Ethernet link is established.
				Off		No established link.
	Cisco MWR 1900 Mobile Wireless Edge Router Hardware Installation Guide
A-4					78-13982-02