Allied Telesis IE340 Series, Руководство по установке, Страница: 59 / 136

Chapter 2: Beginning the Installation
59
Reviewing Site Requirements
Please observe the following requirements and guidelines when choosing
a site for the switch:
Warning
You must install the switch in a UL Listed 3X or 4X enclosure when
installing it in an outdoor environment.

The switch does not require an enclosure when installed in most
indoor environments. However, the unit must be installed in a UL
Listed or Nationally Recognized Test Lab enclosure when used in
a Measurement, Control, or Laboratory indoor environment, as
specified in UL/EN/IEC 61010-1 and 61010-2-201.

The IE340L-18GP switch is not compliant with UL/EN/IEC 61010-1
and 61010-2-201 and should not be used in an indoor
Measurement, Control, or Laboratory environment.

You can install the switch on a concrete wall, wooden wall, or DIN
35x7.5mm rail.

You should not install the switch on a wall that has metal studs.
Metal studs might not be strong enough to safely support the
device.

You should not install the switch on sheetrock or similar material.
Sheetrock might not be strong enough to safely support the device.

The site should allow for easy access to the ports on the front of
the device, so that you can easily connect and disconnect cables,
and view the port LEDs.

The DC power source should be located near the device and be
easily accessible.

The site should not expose the device to moisture or water.

The site should be a dust-free environment.

Do not place objects on top of the switch.

When installing the device in an enclosure, verify that the
enclosure has adequate airflow so that unit does not overheat.

The site should allow for adequate air flow around and through the
cooling fins on the sides of the switch. The following minimum open
spaces around the switch are recommended:
– Two inches (5.08cm) under and above the switch.
– Two inches (5.08cm) in front of the switch.
– Two inches (5.08cm) on the left and right sides of
the switch.