Sierra Wireless AirLink FXT Series, User Manual

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WA_DEV_FEX20_UGD_002 Rev 002 April 26, 2010 114
Fastrack Xtend User Guide
Reliability Standards: Compliance and
Recommendations
16.3.2.2. Environmental Resistance Stress Tests
The following tests the Fastrack Xtend’s resistance to extreme temperature.
Table 82: Environmental Resistance Stress Tests
Designation Condition
Cold Test
COT
Standard: IEC 680068-2-1, Test Ab
Special conditions:

Temperature: -40°C

Rate of temperature change: dT/dt >= ± 3°C/min

Recovery time: 3 hours
Operating conditions: Un-powered
Duration: 72 hours
16.3.2.3. Corrosive Resistance Stress Tests
The following tests the Fastrack Xtend ‟ s resistance to corrosive atmosphere.
Table 83: Corrosive Resistance Stress Tests
Designation Condition
Moist Heat Cyclic Test
MHCT
Standard: IEC 60068-2-30, Test Db
Special conditions:

Upper temperature: +55 ± 2°C

Lower temperature: +25 ± 2°C

RH:
 Upper temperature: 93%

Lower temperature: 95%

Number of cycles: 21 (1 cycle/24 hours)

Rate of temperature change: dT/dt >= ± 3°C/min

Recovery time: 3 hours
Operating conditions: Un-powered
Duration: 21 days