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4.1 Power supply connector
Depending on the specific modem you are using, you will dispose of one of the connectors described
in the sections below. Please read them carefully.
4.1.1 RJ11 (base MTX‐3G‐JAVA)
An RJ11 6‐way connector, as shown and described below, serves as a means of supplying and
controlling DC power to the modem.
The power supply voltage (VCC) required by the modem is in the range of 6.5 to 40VDC. We
recommend a 12V DC power supply. The power supply has to be a single voltage source capable of
providing a current peak during an active transmission. The uplink burst causes strong ripples (drop)
on the power lines.
By default, the MTX‐3G‐JAVA will automatically switch on when power supply is applied at PIN 1 and
PIN 6.
Pin
Signal
1
VIN
2
Not connected
3
TURN_OFF
4
Not connected
5
Not connected
6
GND
www.mtx‐terminals.com
Direction
Limits
Input
6.5‐40VDC
Input
Vmax: VIN
Input
www.mtxm2m.com
MTX M2M® by MATRIX ELECTRONICA S.L.U
MTX‐3G‐JAVA Family
Description
Positive power input
Reserved for future uses
Active high control line used to switch off or reset the modem
VIH>5V, VIL<2V
Power off: t >10ms
Reserved for future uses
Reserved for future uses
Negative power (ground)
2015/10 v1.6
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