ac ringingの例文
- The AC ringing signal also packs a bit of power.
- The device can be used to simulate an incoming call by applying the AC ringing signal voltage to a POTS line to make the telephones on that line ring.
- While a telephone exchange includes a central source of ringing voltage at the switchboard, a private branch exchange or telephone-based intercom must provide a local source of AC ringing voltage.
- The socket includes a 1.8 礔 capacitor ( bell circuit ) to feed the AC ringing and a 470 k? resistor ( R1, out-of-service resistor ) to permit remote testing when no telephones are plugged into any sockets.
- The vermilion box incorporates three more basic phreaking boxes : the magenta box, which generates the AC ringing signal required to make the target telephone ring; the orange box, which generates caller ID ( although it is not a proper call-waiting caller ID orange box that is used but a modified orange box that generates on-hook ( idle state ) caller ID ); and the beige box that is used to conduct the actual conversation.