| 摘要 |
The invention relates to devices with composite chains and afferent logic, meant or optimal control of peripheral devices and can be used in physical property remote displaying systems. The telephone line interface controller (1), according to the invention, consists of a programmable microcontroller (2), a protection unit (3) with a bipolar diode (7) and a diode bridge (8), an interface (4), a voltage divider (5) with two resistors (13) and input/output terminals (6). The interface (4) contains two transistors (9), three resistors (10), a capacitor (11) and a Zener diode (12).
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