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PRODUCT DESCRIPTION
GENERAL
The LLD837 is a single channel LEF Series AiPhone to fibre interface unit. The unit is supplied as a DIN Rail mountable box (which uses external 12Vdc power supply). It contains one transmit channel, and one receive channel. It uses FM modulation to send the audio and data across the fibre link. The audio frequency response is 50Hz to 17kHz. The data channel is used by the on-board processor to send contact echo information. The data rate is 9600Baud.
The unit is compatible with the LEF Series of AiPhone Intercom interfaces. It can thus extend the AiPhone audio signal as well as provide a contact to remotely trigger a Gate Motor. Provision is also made to indicate the Gate LED in the opposite direction. There is finally an additional Auxiliary Input and Output that can be used to extend an additional contact. This will have to be connected to an external relay. FEATURES:
Easy to install.
Up to 2km on Multimode Fibre
Provides immunity to electrical transient interference.
Compatible with LEF AiPhone Series of Intercoms.
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