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MIX Modem - GSM
User Manual V.1.1
Pag. 14
Subject to change without prior notice
Note. VCC and GND are reverse polarity and overvoltage protected.
PIN: Signal
Dir
Limits
Description
1
VCC
Input
6-32 V DC
Positive power input
2
Not connected
-
3
TURN_OFF
Input
5 – VCC
Active high control line used to switch off or
reset the modem
VIH > 5V, VIL < 2V
Power off: Continuosly
4
TURN_ON
Input
5 – VCC
Internally not connected. Terminal will switch on
automatically.
5
VDDLP
I/O
Vmax 4,3 V
Backup the RTC from an external capacitor or a
battery (rechargeable or non-chargeable
).
6
GND
Input
Negative power (ground)