Telephone System Installation and Maintenance Guide

Chapter 3 Viewing the BCM50 system LEDs 61
BCM50 Installation and Maintenance Guide
Figure 21 LAN port LED locations
Table 10 describes the possible LED states for the LAN ports LEDs.
Table 10 LAN port and expansion port LED indicators
LED Status Description
Yellow On The LAN port is operating at 10 Mb/s.
Green On The LAN port is operating at 100 Mb/s.
Both LEDs Off No connection.
Any LED Flashing The LAN port is sending or receiving network data. The frequency of the flashes
increases with increased traffic.
LAN port
Router card LAN ports
LAN ports
LAN port LEDs
Expansion/
LAN ports
Expansion port