Sierra Wireless AirLink GL8200, Руководство пользователя

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4116298 Rev 7.0 November 07, 2016 41
Product Technical Specification and
User Guide Reliability Compliance and
Recommendations
7.2. Reliability Prediction Model
7.2.1. Life Stress Test
The following tests the product performance.
Table 24. Life Stress Test
Designation Condition
Performance Test
Standard: N/A
Special conditions:

Temperature:

Class A: -20°C to +55°C

Class B: -30°C to +75°C

Rate of temperature change: 3°C/min

Recovery time: 20 mins
Operating conditions: Powered
Duration: Varies
7.2.2. Environmental Resistance Stress Tests
The following tests
the modem’s resistance to extreme temperature.
Table 25. Environmental Resistance Stress Tests
Designation Condition
Cold Test
Standard: IEC 680068-2-1, Test Ad
Special conditions:

Temperature: -30°C

Rate of temperature change: 1°C/min

Recovery time: 3 hours
Operating conditions: Powered
Duration: 72 hours
Resistance to Heat
Standard: IEC 680068-2-2, Test Bb
Special conditions:

Temperature: 80°C

Rate of temperature change: 1°C/min

Recovery time: 3 hours
Operating conditions: Powered
Duration: 50 days