WM_MKT_Fastrack_UGD_001 - 002
September 2002
As shown in Figure 2, the power supply cable is a tin copper wire with a:
•
core of 24 mm x 0.2 mm
•
cross-section of 0.75 mm
2
Figure 2: Diagram of power supply cable
2.2.1
Power Consumption
Following table provides information on power consumption of the Fastrack modem, assuming an
operating temperature of +25 °C.
Table 5: Power Consumption
EGSM 900
GSM 1800/1900
Min Typ Max Min Typ Max
Unit
@
5V
1.74 1.08
A
@
13.2V 0.73 0.41
A
Input Peak Supply Current
@32V
0.36 0.22
A
@
5V
330
218
mA
@
13.2V
130
94
mA
Input average supply current –
communication mode
@32V 65 50
mA
@
5V
31.4 31.4
mA
@
13.2V 13.2 13.2
mA
Input average supply current –
idle mode
@32V
5.6
5.6
mA
@
5V
8.8
8.8
mA
@
13.2V
4.1
4.1
mA
Input average supply current –
idle mode with RS232 autoshutdown*
@32V
2.2
2.2
mA
@
5V
5.1
5.1
mA
@
13.2V
2.5
2.5
mA
Input average supply current –
idle mode with full autoshutdown**
@32V
1.5
1.5
mA
* RS232 driver (MAX3238) automatically shuts down after 30s of inactivity on the serial link.
** RS232 driver in auto-shutdown and AT command
The power consumption might vary by 5% over the whole operating temperature range (-20°C to
+55°C)
The tests are carried out with a 3V SIM card.
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