Nortel Networks 400-S manual Environmental specifications

76 Appendix A Technical specifications

Environmental specifications

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

•Operating temperature: 0° to 40° C maximum

•Nonoperating temperature: -25° to 70° C maximum

•Operating humidity

—8% minimum to 80% maximum

—Relative humidity: noncondensing

•Nonoperating humidity

—5% minimum to 80% maximum

—Relative Humidity: noncondensing

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

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

•Acoustic Noise: 50dBA at 3 feet

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