Enterasys Networks Mid-Span Power Hub manual Technical Considerations

Technical Considerations

Technical Considerations

The Enterasys Networks 24-port 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.

Note: The unit is not a repeater and does not amplify the Ethernet data signal.

Caution: Observe the following requirements when mounting the Enterasys Networks

24-port Mid-Span Power Hub:

•This 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 the 24-Port Mid-Span Power Hub

Figure 2-2shows a typical configuration for the Enterasys 24-port Mid-Span Power Hub 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.

Mid-Span Power Hub 24-Port User’s Guide 2-3