LevelOne FEP-0840, Руководство пользователя

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3.3 Preparations for Site Installation
You can mount POE SWITCH either on desktop or on a 19-inch rack. If you plan to mount
the switch on desktop, please choose a steady, level surface in a well-ventilated area that is
free from excessive dust. In any case, the installation site chosen for your switch has to
comply with the following requirements:

The surface where you want to mount the switch must be able to sustain at least 1.5kg.

Do not place heavy objects (more than 3kg) on top of the switch.

The location must preferably be free from excessive dust, away from heat vent, hot-air
exhaust and direct sunlight.

The switch should not be placed near large electric motors or other strong
electromagnetic sources. As a reference, the strength of the electromagnetic field on
site should not exceed the (RFC) standards for IEC 801-3, Level 2(3V/M) field
strength.

The air temperature in the location should be within a range of 0 to 60°C.

The relative humidity in the location should not exceed 90% non-condensing humidity.

The distance between the RJ-45 port and the standard network interface should not
exceed 100 meters.

Adequate space should be allowed in front of all the ports, so that each port is easily
accessible for cable connections.

Leave at least 10cm (4 inch) of space around the switch to allow heating dissipation
Rack Mounting
The POE SWITCH can be mounted on a standard size 19-inch rack, and placed in a wiring
closet with other equipments.
Before you can mount the switch on the rack, first you must attach the mounting brackets on
both sides of the switch with screws, and then mount it as a unit on the rack.
3.4 Desktop Installation
The POE SWITCH has four rubber pads attached on each corner of its underside. These pads
serve as cushioning against vibration and prevent the switch from sliding off its position.