Nortel Networks Instant Internet 400 Unit manual Appendix a Technical specifications

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Appendix A

Technical specifications

This appendix describes the physical and environmental specifications for your Instant Internet 400 unit.

Physical specifications

The Instant Internet 400 unit is 17 inches wide by 15.25 inches deep and 3.875 inches high (19-inch rack-mountable, 2-rack units).

Environmental specifications

The operating and nonoperating environment for the Instant Internet 400 unit is as follows:

•Operating Temperature: 10° to 40° C maximum

•Nonoperating Temperature: -44° to 66° C maximum

•Operating Humidity

—20% minimum to 80% maximum

—Relative Humidity: noncondensing

•Nonoperating Humidity

—10% minimum to 95% maximum

—Relative Humidity: noncondensing

•Operating Altitude: 8,000 feet (2,438 meters) maximum

•Nonoperating Altitude: 30,000 feet (9,144 meters) maximum

•Acoustic Noise: 55dBA at 1 meter

Setting Up the BayStack Instant Internet 400 Unit