Chapter 3: installing the switch, Selecting a site, Ethernet cabling – Enterasys Networks V2H124-24P User Manual

Page 35

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Chapter 3: Installing the Switch

Selecting a Site

Matrix V-Series V2H124-24P 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 50 °C (32 to 122 °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 that 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
- 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 or 100BASE-TX 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.

• 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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