Strand coupler light/door opener contact REG 2-wire gray/light gray. Strand coupler for intercom system according to DIN EN 50486 in 2-wire technology. Series-mounted device for DIN rail mounting. Strand coupler for connecting individual strands via the backbone line to a larger system. Systems with up to 64 strand couplers, 150 (video) main door stations and 256 (video) indoor stations with up to 3 simultaneous connections via the backbone are possible. Integrated strand supply with overload protection for feeding the coupler. Local strand connection in the local strand is possible independently of the backbone, backbone connection using two RJ45 sockets and switchable backbone terminator. Rotary switch for setting the strand address. Integrated video signal amplifier (0-20dB), potential-free light contact and potential-free door opener contact for tamper-proof door opener control. LED displays for operating status, data traffic and backbone (1-3), connections for voltage input, potential equalization, door stations, indoor stations, additional power supply, i2Audio components and door opener and light button contact. The power supply is via a separate power supply unit. DREHFIX function: One-man commissioning by addressing with rotary coding switch.
