Site Selection Considerations

The concentrator can be placed almost anywhere within your company, including offices and computer rooms. In general, we recommend installation in a wiring closet. The unit has been designed for rack mounting and comes with all the necessary hardware.

Location Requirements

The area where you install the ONline System Concentrator must meet the following conditions:

Temperature between 0° to 50° C (32° to 122° F)

Relative humidity less than 95%, non-condensing

AC power source within 6 feet (2 meters). Note that for installation to have true backup power, two independent AC power sources are required

The table or rack where the unit is installed should be level and not in direct sunlight or in an excessively dusty location

Ventilation

The concentrator fan units draw air in through the front and bottom of the chassis and exhausts air out the back. Make sure there are at least 6 inches (15 centimeters) between the fan vents at the back of the unit and the nearest surface to allow adequate airflow for cooling. This minimum distance is also required for access to the rear of the unit for maintenance.

The cable tray that comes standard with the concentrator helps prevent a tangle of cables at the front of the concentrator and also permits the required airflow to the unit. Make sure the cable tray is installed below the unit correctly before installing the concentrator.

2 - 4 ONline 17-Slot System Concentrator Installation and Operation Guide

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3Com 5017C-LS, 5017C with load sharing Site Selection Considerations, Location Requirements, Ventilation