Network Router User Manual

Chapter 4: Troubleshooting
Page 4-6 NBR-SERIES Installation Guide
4.3 USING THE LCD
The NBR-420 and NBR-620 are equipped with a front panel LCD as
shown in Figure 4-2. The LCD provides network statistics and diagnostic
information such as Power up diagnostics, Revision levels, MAC and IP
Addresses, and Error Alerts.
Figure 4-2 The LCD
Five types of messages appear on the LCD:
Unsaved Initialization messages
Static System messages
Alarm messages
Saved System messages
Failure or Error messages
Sections 4.3.1 through 4.3.5 describe each type of LCD message and
provide instructions for displaying them.
NBR-620 MULTI PORT BRIDGE ROUTER WITH LANVIEW
®
RECEIVE
TRANSMIT
COLLISION
STAND BY
PORTD C B A
PWR
CPU
COM 2 COM 1
DISPLAY RESET
LCD
1092_04
RESET
Button
DISPLAY
Button