Switch 3800 Rear View; Power Socket; Serial Number - 3Com 3800 User Manual

Table 1-2 Switch 3800 LEDs (continued)
LED
Unit Status LEDs
Power
MGMT
Switch 3800 Rear
View
Power socket and fuse
Color
Green
Yellow
Green
Green flashing
Yellow
Figure 1-4 shows the Switch 3800 rear view.
U U
C
L L
!
MADE IN USA
MAIN ASSEMBLY

SERIAL NUMBER

MAC ADDRESS
Figure 1-4 Switch 3800 rear view
The rear panel has the following features:

Power Socket

The Switch 3800 automatically adjusts to the supply voltage. The
power supply operates down to 90 V. The fuse is suitable for both
110 V AC and 220-240 V AC operation.
Serial Number
The serial number uniquely identifies this unit. You may need this serial
number for fault-reporting purposes.

Switch 3800 Rear View

Indicates
The Switch 3800 is powered up.
The Switch 3800 is indicating a power,
overheat, or fan failure.
The Switch 3800 is operating normally.
Software download is in progress.
Power On Self Test (POST) is in progress.
The Switch 3800 has failed its POST, or is
indicating an overheat condition.
3C16990
1-9
Console port