ZYCOO 2FXOS U50-U100 2FXOS module with interface 2FXO and 2FXS Hubtech Shop
Specs
- Ring Generation and Ringing T rip
•Loop Closure Detection
•Loop Disconnect
•Loop Reversal
•Loop Voltage and Current Monitoring
•On-hook and Off-hook T ransmission
•Hook-flash Detection
•DTMF Signalling
•Programmable Audio Gain
•On-board Power Generation
•Constant Loop Current: 20mA
The loop start Analog Interface(FXS) provides the following features:
•Detects ringing when on-hook
•Detects loop current when off-hook
•Detects when tip/ring voltage crosses a set voltage when on-hook or off-hook (called DC
triggering)
• accommodate private branch exchange (PBX) with –48 V battery voltage
•Loop current range: 13-110mA


Eunice Waweru –
The FXO ports ensure reliable PSTN failover, maintaining critical inbound and outbound calling during an internet outage, while the FXS ports guarantee connectivity for essential analog equipment.