IDP-280/IDP-290 - Hardware Guide
© ORBCOMM Proprietary 11 T212, Version 03
Table 7
Inrush Current
2
Operation Mode
Inrush Current on Input_Power
Amplitude (A)
Period (ms)
Charge (mC)
Power On
4.24
3.44
0.676
Receive On
0.192
0.94
0.057
Transmit
0.464
4.9
0.673
3.3
Outputs
The modem has two digital outputs.
3.3.1
Digital Output
Figure 12 shows the two outputs for1 PPS and EVENT_NOTIFICATION.
Figure 12 Digital Output
The following tables describe the output specifications.
Parameter
Min.
Typical
Max.
Units
Output high voltage - open circuit
2.85
3.0
3.15
V
Output high voltage (sourcing 25 µA)
2.80
-
-
V
Output low voltage (sinking 25 µA)
-
-
0.05
V
Voltage limits (survivability)
-10
-
150
V
2
Input voltage is 12 V at 23°C.
1M
1k
1k
3V
3V
3V
LIMITER
OUTPUT
DIGITAL
MODEM PROCESSOR