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33
ZETA-xxP Series
Hardware Manual
rev
D
Power
RJ12 Power Connector
This connector is used for supplying DC power and power ON/OFF signals for the
modem.
Table 11.
Pin usage
Each pin of type Input is activated when the voltage on the pin is in the range of Vin
DC (7V to +42V).
The modem ON/OFF state is activated by the power OFF and power ON signal
inputs.
The modem ON/OFF states are shown above in
table 7
. The initial state of the
modem on power-up is ON.
Figure 24.
ZETA-xxP - RJ12 power connector
Power connector
Figure 25.
Pin numbering
1 6
Pin
Name
Direction
Description
Low Level
Nominal
High Level
1
Vin
Input
Input power
7V
12V
42V
2
RESET_IN
Input
Hard System Reset
7V
12V
42V
3
PWROFF_IN
Input
Power off signal
7V
12V
42V
4
PWRON_IN
Input
Power on signal
7V
12V
42V
5
-
-
-
-
-
-
6
GND
Input
Signal ground
-
0V
-