A dial peer, also known as an addressable call endpoint, is a device that can originate or receive a call in a telephone network.
拨号点也称可寻址的呼叫端点，是电话网络中产生或接收电话的设备。
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Digital addressable lighting interface - Part 206: Particular requirements for control gear - Conversion from digital signal into d. c. voltage (device type 5).