Network Technology; Reliability; Environmental Testing - Sierra Wireless AirLink LX40 Hardware User's Manual

AirLink LX40 Series Hardware User Guide

Network Technology

LTE and HSPA
For a list of supported bands, see

Reliability

MTBF calculations are performed per Telcordia "Reliability Prediction Procedure for
Electronic Equipment" document number SR-332, Method I, Issue 3.
The MTBF for the LX40 (Ground Fixed, 25°C) is 375,682.7 hours (42.89 years).

Environmental Testing

Ingress protection rating is IP21.
Test Method
MIL-STD-810G,
Test method 514.6
MIL-STD-810G,
Test method 516.6,
Procedure 1
MIL-STD-810G,
Test methods
501.5, 502.5
MIL-STD-810G,
Test methods
501.5, 502.5
MIL-STD-810G,
Test method 507.5
IEC 61000-4-2
Rev. 2 January 2021
Table 3-4
Category Description
Vibration Frequency range: 5 Hz–500 Hz
Spectrum level: 2.24G on all axes for 8 hours/axis
Operating mode: powered on
Mechanical Shock Half-sine 40G, 15–23 ms,
(+/-X, +/-Y, +/-Z directions, 10 times per axis)
Operating mode: powered on
Temperature Rugged category: -30 °C to 65 °C
2-hour soak each temp high/low 3 cycles
ramp <= 3 °C/minute
Operating mode: powered on
Temperature Rugged category: -40 °C to 85 °C
2-hour soak each temp high/low 50 cycles
ramp <= 3 °C/minute
Operating mode: unpowered
Humidity 10 × 48-hour cycles:
Before starting cycles, condition to 23 °C and 50%
•
relative humidity for 24 hours
2-hour ramp to 60 °C (90% humidity), hold 6 hours
•
8-hour ramp down to 30 °C (85% to 90% rela-tive
•
humidity), hold 8 hours
After finishing cycles, condition to 23 °C and 50%
•
relative humidity for one hour
Operating mode: powered on
Electrostatic +/-2 kV, +/-4 kV, +/-6 kV, +/-8 kV (Contact and Air)
Discharge
+/-15 kV (Air at antenna connector)
Operating mode: powered on
38
on page 44 and Table 3-5 on page 44.
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