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Zycoo Z4FXS - Module de 4 ports FXS pour "Zycoo U50 , U100"
4FXS
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Le module 4FXS soutient CooVox-U50 / Phone System CooVox-U100 IP avec 4 ports RJ11 pour la connexion de la ligne. Chaque port a un LED (Light-Emitting Diode), qui est assemblé sur la carte principale.
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FXS (Foreign Exchange Station)
FXS is an interface that connect to a station, such as an analog telephone or the FXO interface
of another PBX. It provides ringing voltage and battery to the FXO devices. FXS interfaces are
used on the inside of your PBX, they do not connect directly to the PSTN. One FXS channel is
required for each telephone that you wish to connect to your Asterisk system.
The Analog Station FXS board provides connectivity to standard analog phones. Typically, a
phone is connected to a station interface and is, by default, in an on-hook state. When the
phone goes off-hook, the phone completes the line circuit and current flows through the line.
The Analog Station Interface provides the following features:
-Ring Generation and Ringing Trip
-Loop Closure Detection
-Loop Disconnect
-Loop Reversal
-Loop Voltage and Current Monitoring
-On-hook and Off-hook Transmission
-Hook-flash Detection
-DTMF Signalling
-Programmable Audio Gain
-On-board Power Generation
-Constant Loop Current: 20mA
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