3com 3800 Manual Do Utilizador
2-2
C
HAPTER
2: I
NSTALLATION
AND
S
ETUP
■
Water or moisture cannot enter the case of the unit.
■
Temperature must be within the range of 0 to 40 degrees Celsius.
■
Air-flow around the unit and through the vents in the side of the
case is not restricted. You should provide a minimum of 25mm
(1-inch) clearance.
case is not restricted. You should provide a minimum of 25mm
(1-inch) clearance.
■
No objects are placed on top of the unit.
■
Units are not stacked more than four high if the Switch is
free-standing.
free-standing.
Configuration Rules
for Ethernet
The connectors, supported media types, and maximum distances for
the Switch 3800 are described in Chapter 1.
the Switch 3800 are described in Chapter 1.
Installing the
Switch 3800
Switch 3800
The Switch 3800 can be mounted in a rack, or placed free-standing on
a tabletop.
a tabletop.
Rack Mounting
The Switch 3800 is 2U high and will fit in most standard 19-inch racks.
CAUTION: The Switch should only be used in a rack if it is mounted on
runners, a shelf, or a tray to support the weight. The rack mount kits
alone are not sufficient to support the weight of the Switch. The rack
mount kits must not be used to suspend the Switch from under a table
or desk, or attach it to a wall.
runners, a shelf, or a tray to support the weight. The rack mount kits
alone are not sufficient to support the weight of the Switch. The rack
mount kits must not be used to suspend the Switch from under a table
or desk, or attach it to a wall.
To install the mounting brackets on the Switch, follow these steps:
1 Place the Switch the right way up on a hard flat surface, with the front
facing toward you.
2 Remove the existing screws from the sides of the chassis.
3 Locate a mounting bracket over the mounting holes on one side of the
unit.
4 Insert the four screws and fully tighten with a suitable screwdriver, as
SW3800.BK Page 2 Tuesday, May 5, 1998 5:20 PM