4000 & 5000 Series User’s Guide
2.3.3 Power specifications and consumption
Power is supplied to the modem via the 4-pin connector on the rear panel. The pins are
described as follows:
•
Power input to the modem is protected against reverse
polarity and over-voltage
•
The POS input is monitored by the modem as a dedicated analog input. Used to
monitor the Voltage
•
The IGN input is monitored by the modem as a dedicated digital input
The modem’s power consumption is as follows:
Mode
Description
Approximate consumption (mA)
4200
5200
4600
5600
4600A
5600A
Active
(average)
The modem is in a call and
is transmitting or receiving
data
169
182
179
188
190
200
Active
(peak)
The modem is in a call and
is transmitting or receiving
data
287
300
300
311
330
340
Idle
The modem is either not in
a call, or is in one but is
Dormant. The modem is
Dormant after 20s of
inactivity.
49
62
56
67
70
80
Ignition
OFF
The modem is turned OFF
but still has power from its
POS input. All circuitry is
shut down except for Non-
Volatile memory and Real-
time Clock.
1
1
1
1
1
1
Table 6
Wiring instructions are provided in
Section 11: Hardware Installation
.
Revision 1.5
Copyright © 2007 BlueTree Wireless Data Inc. Page 12 of 67
Pin
Name
Description
1
GND
Ground
2
POS
Power supply input (8 to 30 Vdc)
3
IGN
Ignition sense input – Switches the modem on or off
4
O3
Digital Output 3
Table 5
Table 6
O3
IGN
GND
POS
Figure 3 –
Power (Looking
at back of
modem)