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EasyLine 4G - 48/72 V 4G line simulator with 1 input and 1 output

ASC Global
113€ + VAT ( 144€ )
Availability: In stock
Expected delivery: July 23, 2024

Miniature phone (PSTN) simulator (6 x 4 cm)

EasyLine GSM provides a complete (48V) line to the control panel via the TIP / RING connection, through which the control panel can signal the monitoring station to the receiver via a voice call or even send the control panel voice message to the end-user. Furthermore, thanks to the OC output, we can control the output with the phone numbers saved on the SIM card, with which we can arm or even disarm the control panel. Suitable for replacing a landline telephone line, also at a call centre or elevator call.

  • TIP/RING connection for PSTN line simulation
  • Transmission of Contact ID, 4/2 protocol from the alarm centre
  • Two-way voice communication
  • 1 NO/NC contact input
  • SMS, voice message transmission to 8 phone numbers in case of an input signal
  • 1 OC output, bistable, monostable control
  • Output control with 1000 phone numbers
  • PC programming with the firmware update
Manufacturer's warranty
Manufacturer's warranty
We offer a min. 2-year manufacturer's warranty on our products
Fast delivery
Fast delivery
We deliver our products from stock with a short deadline
Technical support
Technical support
We provide clear and comprehensive technical support for our products in addition to the English language description and videos
More than 10 years of experience
More than 10 years of experience
We look back on a history of more than 10 years in the production and development of our products
Continuous development
Continuous development
We are constantly developing our products and services, which are also available for our older products
113€ + VAT ( 144€ )


PSTN line simulation

A full PSTN line simulation can be achieved by generating line, ringing voltages, and transmitting DTMF tones. This standard telephone line ensures you can easily connect the module to your existing system.

Two-way communication

The GSM module is capable of two-way communication. In case of an incoming call, it is also possible to remotely access and program the device connected to the TIP/RING points. It can also provide the appropriate line for elevator calling equipment so that we can communicate with the person staying in the elevator.


The module has one input. The input type can be changed to the GND point. It can be Normally Close (NC) or Normally Open (NO). When a signal arrives at the input, you can send an SMS notification or call up to 8 phone numbers. You can enter/modify the text of the SMS and voice message with the ProRead program.


The output type can be monostable (it switches for a preset time and then returns to its original state) or bistable (it returns to its original position only in case of a new control). Furthermore, the output can be loaded with 300mA, and a maximum voltage of 30V can be connected.

Output control

We can control the output by making a free call (ringing) from 1,000 phone numbers in the case of caller ID identification.


The module can be programmed with SMS commands or with a computer using the ProRead program. The module's settings can be changed without establishing physical access using an SMS command and knowing the security code.

Power monitor

The EasyLine 4G device can monitor its power supply and send notifications in the event of a problem. In the programming software, you can set the voltage value below which the module sends an alarm. For example, in the event of a power outage, we can receive a notification from the alarm centre about the state of the battery and the restoration of the power outage if our power supply unit has a battery that ensures uninterrupted operation. In this case, by setting the supply voltage value, we can distinguish whether we want to receive a notification about the input power failure or the battery status.

Sending a vital sign

Sending a vital sign notifies the user that the system is working correctly.

Event log

The event log can store the last 16,000 events in FILO (First in - last out) mode.

Field strength reading

The field strength status check can be displayed on a graph with a resolution of up to 1 hour, which can be seen with the help of the programming software.

Checking module status

When querying the status of the module, you can find out the following information:

  • Input status
  • Output status
  • Power voltage error indication
  • Listing of possible errors/events (e.g., SIM card not inserted, SIM card locked with PIN code)
  • GSM connection status (e.g., Registered to network, Roaming, No connection, Connection refused)
  • Current GSM network field strength

In the latest development, it will be possible to convert Contact ID codes from the alarm centre into text and send SMS to 8 specified phone numbers. You will also be able to transmit the ContactID message to the cloud, which you will be notified about in Push and e-mail messages if you use a data card in EasyLine 4G. Furthermore, the Cloud connection will make it possible to control the output from the application in addition to the status query.

Application areas:

  • Instead of an analogue telephone line, as a line replacement
  • In addition to alarm systems and centres as a line simulator
  • Control: disarming/arming the alarm centre or gate control, automation
  • Providing a GSM/3G/4G line at telephone exchanges
  • It gives the line for emergency communication with elevator callers

Product features

Inputs (+ expander): 1
Relayed Outputs (+ expander):
Relayed output load:
OC outputs (+ expander): 1
OC output load: max. 30V@400mA
User phone numbers for sending notifications: 8
User phone numbers for output control: 1000 phone number
Independent signal sending to monitoring centre:

User phone numbers for forwarding incoming SMSs:

Transmission channel: GSM/3G/4G/SMS
Caller identification:
Alarm center function (arm/disarm, entry/exit delay)
Selectable 24h zones:
Adjustable input sensitivity:
Configurable inputs (NO/NC): NO/NC
Independent SMS sending to user phone numbers with customized text:
Monitoring station phone numbers:
Periodic test report sending:

Sending recorded voice message to user phone numbers:

Sending alarm to user phone number with siren sound:
Inbuilt internal clock:
Event list / number of stored events:
GSM signal strength monitoring and logging hourly

Translation Contact ID codes into SMS along with sending it to user phone numbers (Distinguishing 250 events and 250 zones)

Configurable own Contact ID codes:
Telephone line simulation:
PSTN phone line monitoring:

Output activation with free GSM call:

Security SMS password:
Programming software(PC, Android):
Programming method: SMS / PC
Battery connection options:
Power drain (standby/transmitting over GSM): 80mA/1000mA
Simulated line/transmitting over GSM: 48 VDC / 72 VDC
Power voltage: 9-24 VDC


Power voltage 9-24 VDC
Standby power drain 80 mA
Maximum power drain 1000 mA
Open Collector output load max. 30V/300 mA
GSM module type SIMCOM A7672
GSM frequency TDD-LTE B38/B40/B41, FDD-LTE B1/B3/B5/B7/B8/B20, WCDMA/HSDPA/HSPA+ B1/B5/B8, GSM/GPRS/EDGE 900/1800 MHz
SIM card usage brand-free GSM module
GSM antenna type SMA connector (comes with the package)
Dimensions 62 x 42 x 16 mm, packed:132 x 128 x 32 mm
Operation temperature -20°C – +50°C

Attached documents