WM_PRJ_M13_UGD_001 - 001
20th July 2004
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8.3 Environmental characteristics
To ensure the proper operation of the FASTRACK Modem, the temperature of the
environment must be within a specific range as described in the table below.
Table 18: Ranges of temperature
Operating temperature range -20 °C to +55 °C
Transportation temperature
range
-40 °C to +70°C
Storage temperature range
-25 °C to +70°C
The detailed climatic and mechanics standard environmental constraints
applicable to the modem are listed in the table below:
Table 19: Environmental standard constraints
M1306B Modem
ENVIRONMENTAL CLASSES
Type of test Standards
STORAGE
Class 1.2
TRANSPORTATION
Class 2.3
OPERATING (port use)
Class 7.3
Cold
IEC 68-2.1
Ab test
-25 °C 72 h
-40 °C 72 h
-20 °C 16 h
Dry heat
IEC 68-2.2
Bb test
+70 °C 72 h
+70 °C 72 h
+55 °C 16 h
Change of
temperature
IEC 68-2.14
Na/Nb test
-40 °/+30 °C
5 cycles
t1=3 h
-20 °/+30 °C
3 cycles
t1=3 h
Damp heat
cyclic
IEC 68-2.30
Db test
+30 °C 2 cycles
90 %-100 % RH
variant1
+40 °C 2 cycles
90 %-100 % RH
variant1
+40 °C 2 cycles
90 %-100 % RH
variant1
Damp heat
IEC 68-2.56
Cb test
+30 °C 4 days
+40 °C 4 days
+40 °C 4 days
Sinusoidal
vibration
IEC 68-2.6
Fc test
5-62 Hz: 5 mm/s
62-200 Hz: 2 m/s2
3x5 sweep cycles
Random
vibration
Wideband
IEC 68-3.36
Fdb test
5-20 Hz: 0.96 m2/s3
20-500 Hz: -3 dB/oct
3 x 10 min
10-12 Hz: 0.96 m2/s3
12-150 Hz: -3 dB/oct
3 x 30 min