Extreme Networks BlackDiamond 8810, Руководство по установке оборудования

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Site Preparation
Extreme Networks Consolidated XOS Hardware Installation Guide
30
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Cable runs between buildings are in an underground conduit, where a continuous metallic cable
shield or a continuous metallic conduit containing the cable is bonded to each building grounding
electrode system.
PoE Devices
When connecting power over Ethernet (PoE) devices to a PoE switch, all connections between the PoE
device and the switch must remain within the same building and use a low-voltage power distribution
system per IEEE 802.3af.
Power Supply Requirements
Adhere to the following requirements to operate your Extreme Networks equipment safely:
●
Ensure that your equipment is placed in an area that accommodates the power consumption and
component heat dissipation specifications.
●
Ensure that your power supply meets the site power, AC power, or DC power requirements of the
network equipment.
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Ensure that DC connections are made by an on-site electrician.
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When connecting power to installed equipment, avoid connecting through an extension cord or
power strip.
●
If your switch includes more than one power supply, connect each power supply to different,
independent power sources.
If a power source fails, it will affect only the switch power supply to which it is connected. If all
switch power supplies are connected to a single power source, the entire switch is vulnerable to a
power source failure.
For power specifications for Extreme Networks products, see the Extreme Networks website at:
http://www.extremenetworks.com
AC Power Cable Requirements
Use an AC power cable appropriate for your country. Check your local electrical codes and regulatory
agencies for power cable requirements. The countries listed in
Table 4 have the following additional
requirements.
Table 4: AC power cable requirements
Country Requirements
USA and Canada • The cable set must be UL-approved and CSA-certified.
• The minimum specification for the flexible cable is No. 18
AWG (1.5 mm
2
), Type SVT or SJT, 3-conductor.
• The cable set must have a rated current capacity of at
least the amount rated for each specific product.
• The attachment plug must be an Earth-grounding type
with a NEMA 5-15P (10 A, 125 V) configuration.
Denmark The supply plug must comply with section 107-2-D1,
standard DK2-1a or DK2-5a.