Version 1.0 – Søren Due – 30.11.2017
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GSM2ACCESS V4
The GSM2ACCES V4 comes with new functionality which makes it possible for the unit to answer the
phone, and listen for key-presses. The unit can be looked at as a normal card reader, where the card
presented is the phone-number of the incoming call.
Disassembling the unit
To take the unit apart to attach wires, SIM-card, SD-card, and setup functionality on the Dip-Switches, 4
screws is removed. This can be done in either end of the unit, but its recommended to do this in the end
where the wires goes into the unit. The complete board can then easily be removed from the casing.
Board Layout
Inside the unit there is a terminal block for connection the unit to the controller, a dipswitch for setting up
the unit, a SIM card and a SD card tray.
