2.3 Electric Installation
This subsection describes how to connect
into your Local Area
2N Helios Uni
®
Network (LAN) and how to connect supply voltage and the electric lock.
PCB Connectors
Description of Connectors:
LINE – An analogue telephone line with any polarity, or an RJ connector or
terminals
12V AC, DC – AC/DC backlight or additional amplifier supply (DC must be used
for the amplifier)
tamper N.C. – Open cover signalling contact (N/C)
GND – Ground (mandatory)
door N.O. – Electric lock switch (N/O)
mic. vol. – Microphone level low switch
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