System And Port Status Leds - 3Com SuperStack II 3900 Getting Started Manual

36 C 4: S
HAPTER YSTEM

System and Port Status LEDs

Figure 14 System and Port Status LEDs on the SuperStack II Switch 3900
P U
OWER P
Green = System powered on
Ethernet Port Status LEDs
Green = Associated port is active
Flashing Green = Port active but disabled
Power
OFF = Port disabled
Fault
Solid or Blinking Yellow =
System failed at power up
Ethernet Port Packet LEDs
Yellow = Port is passing data
Flashing Yellow = Port is passing data
OFF = No data