3com 3800 Manual De Usuario

Figure 1-4 shows the Switch 3800 rear view.

Figure 1-4   Switch 3800 rear view

The rear panel has the following features:

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.

The serial number uniquely identifies this unit. You may need this serial 
number for fault-reporting purposes.

Power

Green

Yellow

The Switch 3800 is powered up.

The Switch 3800 is indicating a power, 
overheat, or fan failure.

MGMT

Green

Green flashing

Yellow

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.

Table 1-2   Switch 3800 LEDs (continued)

3C16990

C

MADE IN USA

MAIN ASSEMBLY

SERIAL NUMBER

MAC ADDRESS

U
L

U
L

Power socket and fuse

Console port

SW3800.BK  Page 9  Tuesday, May 5, 1998  5:20 PM