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Technical Considerations
An Enterasys Networks Mid‐Span Power Hub may be placed on a shelf or mounted in a
standard 48.26‐centimeter (19‐inch) rack.
Before you mount the unit to a fixed location, consider the following:
•
Determine optimal placement.
•
Collect and document network information as required.
•
Ensure that the length of cable from the Ethernet network source to the powered
device does not exceed 100 meters.
•
The unit is intended for installation in a wiring closet.
•
Connect the unit to a grounding type AC outlet (100‐240 VAC), using the standard
power cord shipped with the unit, or a user‐supplied UPS (uniterruptible power
supply).
•
Allow for easy access to disconnect the unit from the AC outlet if necessary.
•
Do not cover the unit or block the airflow with any other objects. Keep the unit away
from excessive heat, humidity, vibration, and dust.
•
Ensure that installation conforms to local regulations.
Configuration for a Mid-Span Power Hub
Figure
(BL‐69524ENT shown) operating with 802.3af appliances. To ensure EMC compliance and
compliance with Class A requirements, use Category 5, 5e, or 6 shielded twisted pair
straight‐through cables.
Note: The units are not repeaters and do not amplify the Ethernet data signal.
Caution: Observe the following requirements when mounting the Enterasys Networks
Mid-Span Power Hubs:
2‐3 shows a typical configuration for an Enterasys Networks Mid‐Span Power Hub
Technical Considerations
Mid-Span Power Hub User's Guide 2-3
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