WM_MKT_Fastrack_UGD_001 - 002
September 2002
Figure 1: Fastrack presentation
To ensure proper operation of the Fastrack modem, the operating environment must be within a
specific temperature range as described in following table.
Table 2: Optimal operating and storage temperatures
Operating temperature range
-20°C to +55°C
Storage temperature range
-25°C to +70°C
2.2 Electrical characteristics
The Fastrack modem is permanently ON once you connect the power supply cable to a functional
power supply (see Figure 2). Correct operation of the Fastrack modem is optimum in the following
voltage range:
Table 3: Operating voltage
Operating voltage range:
5 to 32 V
Ground (0V)
0 V
The following table describes the consequences of overvoltage and undervoltage with the Fastrack
modem:
Table 4: Effects of power supply defect
If the voltage:
Then the:
falls below 5 V
(undervoltage)
communication is not guaranteed
continuously peaks above
32V (overvoltage)
modem is protected by the fuse
power supply disconnects the electronic components from overvoltage
transiently peaks above 32
V (overvoltage)
modem guarantees its own protection
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