Appendix C - LED Patterns and Test Switch Settings
37
Appendix C - LED Patterns and
Test Switch Settings
MicroRouter 2250R LED Patterns
The MicroRouter 2250R 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
WAN Indicators (WAN LED Bar)
Transmit and receive packets - per WAN interface as marked on front
label.
Frame - Internal T1 CSU/DSU (WAN 0) is receiving framing informa-
tion.
Error - Internal T1 CSU/DSU (WAN 0) is detecting a line error and
sending a yellow alarm.
Yellow - Internal T1 CSU/DSU (WAN 0) is receiving a telephone
company yellow alarm.
Loop - Loopback mode in the internal T1 CSU/DSU (WAN 0) has been
set by the remote end.
