MRV Communications MR2228-S2C User Manual download pdf (Page 17)

Chapter 3: Installing the Switch

Selecting a Site

Switch units can be mounted in a standard 19-inch equipment rack or on a flat

surface. Be sure to follow the guidelines below when choosing a location.

• The site should:

• be at the center of all the devices you want to link and near a power outlet.

• be able to maintain its temperature within 0 to 40 °C (32 to 104 °F) and its

humidity within 5% to 95%, non-condensing

• provide adequate space (approximately two inches) on all sides for proper air

flow

• be accessible for installing, cabling and maintaining the devices

• allow the status LEDs to be clearly visible

• Make sure twisted-pair cable is always routed away from power lines,

fluorescent lighting fixtures and other sources of electrical interference, such as

radios and transmitters.

• Make sure that the unit is connected to a separate grounded power outlet that

provides 100 to 240 VAC, 50 to 60 Hz, is within 2.44 m (8 feet) of each device and

is powered from an independent circuit breaker. As with any equipment, using a

filter or surge suppressor is recommended.

Ethernet Cabling

To ensure proper operation when installing the switch into a network, make sure

that the current cables are suitable for 10BASE-T, 100BASE-TX, or 1000BASE-T

operation. Check the following criteria against the current installation of your

network:

• Cable type: Unshielded twisted pair (UTP) or shielded twisted pair (STP) cables

with RJ-45 connectors; Category 3 or better for 10BASE-T, and Category 5 or

better for 100BASE-TX or 1000BASE-T.

• Protection from radio frequency interference emissions

• Electrical surge suppression

• Separation of electrical wires (switch related or other) and electromagnetic fields

from data based network wiring

• Safe connections with no damaged cables, connectors or shields

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MRV Communications MR2228-S2C User Manual Page 17