Cabletron Systems SmartSTACK ELH100 - Manual (Page 31)

9033060 Installation 13
2. INSTALLATION
Inspecting Your Shipment
When you receive the shipment of your hub, check the package contents
and make sure you have the following items:
• ELH100-12/24TX dual speed Ethernet hub
• Mounting ears and mounting screws
• Four rubber feet
• Stack cable
• Power cord
• This document
Site Requirements
Before you install the hub, make sure the site meets the following
requirements:
• Mounting
Provide a flat table, shelf surface, or an optional 19 in. (48.3 cm)
equipment rack.
Use an EIA standard equipment rack that is grounded and physically
secure.
• Power source
Provide a power source within six feet (1.8 m) of the installation
location. This source must provide 100 VAC to 240 VAC, and 50 Hz
to 60 Hz power, with a 50 VA minimum. Power specifications for the
hub are shown in Appendix A, “Technical Specifications.”
• Environmental
Install the ELH100-12/24TX hub in a dry area, with adequate air
circulation. Avoid placing the hub in direct sunlight or near other heat
sources, such as hot-air vents. For temperature and humidity
specifications, see Appendix A, “Technical Specifications.”
• Ventilation
Do not restrict airflow by covering or obstructing air inlets on the side
of the hub.
Primary voltage selection within the above ranges is
automatic and requires no user action.