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Designed by Symatech Labs LtdTX7221 multichannel input and output module (hereinafter referred to as module) is a dedicated bus module device for fire protection, which can be connected with intelligent fire alarm controller.
• A non polar bus of two wire
• Four input detection ports, four contact output ports, one active output port.
• The input ports have the function of line fault detection
• Software and hardware filter technology is used to improve the anti-interference ability of the module
• LED status indicator
• Onsite Adjustable Parameter
• Loop and external power input
680 remote indicators provide fire detection and alarm system designers with an economical product for life safety and property protection applications.