A-4
Cisco MWR 1941-DC Mobile Wireless Edge Router Hardware Installation Guide
78-15827-06B0
Appendix A Troubleshooting
Reading the LEDs
Reading the LEDs
The LEDs on the front panel of the router enable you to determine router performance and operation.
Figure A-1
shows the locations of the LEDs.
Figure A-1
Front Panel of the MWR 1941-DC
Table A-1
Chassis LEDs
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 idle contexts are being processed by the PXF.
Off
No PXF activity is occurring.
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.
98716
SEE MANUAL
BEFORE IN
STALLATION
DSU
56K
SEE MANUAL
BEFORE INS
TALLATION
DSU
56K
CONSOLE
AUXILIARY
CN/LP
2
1
0
3
RXC RXD
TXC
TXD
CN/LP RX
C
RXD
TXC
TXD
CN/LP RX
C
RXD
TXC
TXD
CN/LP RX
C
RXD
TXC
TXD
EN
SERIAL
A/S
Serial 0/3
Serial 0/2
Serial 0/1
Serial 0/0
Serial 1/3
Serial 1/2
Serial 1/1
Serial 1/0
FE1
FE0
Console
port
Auxiliary
port