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Installation guide

Technical parameters

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Power voltage: 9-24 VDC

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Simulated voltage: 48V (line), 72V (ringing)

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Standby power drain: 80 mA

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Maximum power drain: 1000 mA

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Open Collector output load: max. 30V/300 mA

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GSM module type: SIMA7672

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GSM frequency: GSM 850 / EGSM 900 / DCS 1800 / PCS 1900 (Multi- Band)

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SIM card usage: brand free GSM module

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GSM antenna type: SMA connector (comes with package)

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Dimensions: 62 x 42 x 16 mm, packed: 132 x 128 x 32 mm

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Operation temperature: -20°C - +50°C

Installation steps

1. Carry out a signal strength check with your mobile phone. Sometimes occurs there is no sufficient signal

strength at the commissioning site. In this case it is recommended to change module position prior to

installation.

Do not install the device to places where strong electromagnetic waves might occur, ex. next to electric

motors or alarm transformers!

Do not install in watery places or in places with great humidity!

2. Connecting the antenna: antenna can be secured with an SMA connector. If you are reading low signal

strength use antenna with higher gain. Signal strength grow can also be achieved by repositioning the

antenna.

Do not position the antenna under various metal covers as those might significantly ruin the

signal strength!

3. You should opt out the SIM card PIN number request, voicemail and call notification!

Sometimes new SIM cards must be activated (usually an outgoing call has to be made). Check the validity of

the card. If you have a prepaid card check its balance and its usage possibilities (ex. calls only)

4. It is practical to check the satisfying operation of a SIM card in a cell phone prior of insertion into a module.

At this step it is practical to also save controlling telephone numbers on the SIM card. Number identifying

at the caller and the called has to be checked. At certain service providers this function must be enabled

formerly.

5. Insert the SIM card in the SIM card slot of the module.

6. Connectors have to be connected according to the wiring diagram. If you are dealing with OC output mind

the correct wiring of the relay protecting diode.

7. If you are working with OC relay be cautious especially in avoiding electric shocking. A proper contact

protection must be established. If you are not qualified ask for professional help.

8. Check if the power supply performance will be sufficient for the module. Mind the polarity.

If wiring is reversed the module will not operate or might get damaged.

9. Now the device can be powered.

10. After connecting the voltage supply the red LED is lighted indicating the device establishing connection

with the GSM system (this can be 1 minute utmost).

11. If red LED goes off and green LED is blinking module is online and connected to network. The blinking

number(s) indicates GSM signal strength.

The power supply must be connected for programming!

EasyLine 4G