Switch - Rear View Detail - 3Com 3C17700 - SuperStack 3 Switch 4900 Getting Started Manual

18 C 1: I
HAPTER NTRODUCING THE
Switch — Rear
View Detail
S S 3 S
UPER TACK WITCH
LED Color
Green flashing
Yellow
Off
Layer 3 LED
Green
Off
Figure 5 Switch 4900 — rear view
Figure 6 Switch 4900 SX — rear view
4900 F
AMILY
Indicates
The Switch is either downloading software or is
initializing (which includes running a Power On Self
Test).
The Switch has failed its Power On Self Test.
The Switch is not receiving power.
The Switch software supports Layer 3.
The Switch software does not support Layer 3.