Physical Specifications

This appendix provides information about the following:

• Physical Dimensions

• Power Requirements

• Operating Environment

Physical Dimensions

Table D-1 lists the physical dimensions for a Catalyst 3900.

Table  D-1: Dimensions

Physical Feature	Dimension
Rack mounted width	19 in. (482.6 mm)
Standalone width	17.38 in. (441.45 mm)
Depth	15.25 in. (387.35 mm)
Height	3.4 in. (86.36 mm)
Weight	16 lbs (7.26 kg)

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Note Rack mount brackets and mounting hardware are included with the unit.

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Power Requirements

The Catalyst 3900's auto-ranging power supply operates on line voltage in the range of 90 to 264 VAC (auto-sensing) and 47 to 63 Hz, 150 Watts maximum. An appropriate power cord for the country of installation is shipped with the Catalyst 3900.

Operating Environment

Table D-2 lists the operating environment parameters of a Catalyst 3900.

Table  D-2: Operating Environment

Characteristic	Value or Range
Operating temperature	10°C to 40°C (50°F to 104°F)
Operating relative humidity	8% to 80%
Maximum wet-bulb temperature	27°C (81°F)
Thermal dissipation	150 watts (maximum); 512 Btu/hr
Electrical power	1.5 A at 115V; 0.75 A at 230V
Leakage/starting	Current less than 3.5 mA/15 amperes/half cycle