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Appendix C - LED Patterns and Test
Switch Settings
BR Router LED Patterns
The BR Router uses a number of light patterns on its front LED bars to indicate
operating conditions.
Power On, No Traffic
The router will scan through the left (Ethernet) LED bar, from left to right,
illuminating one element at a time.
v Note: Lights 1 and 10 on the Ethernet bar are directly connected to the router’s
10BaseT interface and indicate 10BaseT link (1) and 10BaseT polarity (10).
Ethernet Traffic Indicators (Ethernet LED Bar)
Scan from 2 to 5: Ethernet transmit packet
Scan from 9 to 6: Ethernet receive packet
Other Indicators (on All LED Bars)
Transmit and receive packets - per WAN interface as marked on front label.
5,6 flashing: Router stacks starting up
3,4 & 7,8 flashing: No OS loaded. Running from ROM.
5,6 on solid, 2 (bars 1 & 3) and 9 (bars 2 & 4) flashing : Erasing OS in Flash ROM
4,5,6,7 on solid, 2 (bars 1 & 3) and 9 (bars 2 & 4) flashing : Erasing config in
Flash ROM
Scanning from 2 to 9 (bars 1 & 3), and scanning from 9 to 2 (bars 2 & 4): Flash
ROM erase due to switch setting five or six is complete. Set switch to zero and
cycle power.
Panic Indicators
Any continuous flashing pattern not noted above may be caused by a software
“panic.” This is a sign that a condition has been detected that the software does not
know how to deal with: either an unusual network condition, or a hardware failure.
Please call DCB Technical Support if your router shows a software panic.