Zycoo 4FXS

4 FXS module with 4 FXS interface (For U50/100 only)

The 4FXS module supports CooVox-U50/U100V1, U80,U50/U100V2 IP Phone System with 4 RJ11 ports for line connection. Each port has one LED(Light-Emitting Diode), which is assembled on the main board.

The Analog 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