product description：
1 channel POTS (Plain Old Telephone System) phone lines over fiber converter / extender. This Voice over Fiber converter uses RJ-11C modular connectors for each copper pair connection. FXO type unit connects to a telephone line (PSTN) or PBX station line and has ability to detect ringing voltages and to act as a telephone. FXS type unit is the reciprocal unit and has ability to act as PSTN and connects to a telephone device.
Features：
standard RJ11 telephone interface 1 channel support voice access, Support Caller ID and Fax Voice port supports O port and S port, O port connects switch and S port connects user’s phone Support FXO / FXS ordinary telephone Support point-to-point, cascaded and distributed network connections, and SNR will not decline Power link to fiber optic , data status indication LED can monitor system health Industrial design, modular design allows flexible and reliable equipment
Application：
Factory renovation, relocation distance call system highway 122 phone systema Remote multimedia teaching / campus monitoring, video conferencing systems telephone intercom, phone calls, related applications
Technical parameter list
Product Name:1 channel POTS phone lines over fiber converter Product Model:STHA-1PCM-S Description:FXO/FXS Ordinary telephone Telephone Ports:1 telephone port RJ11 port Switch Terminal :Ordinary telephone or PBX, PBX (PBX), public telephone outside the PSTN FXS:Ringing voltage: 75V, ringing frequency: 25HZ FXO:Second line input impedance:600Ω (hook), return loss: 40db, ring detection voltage:35V Ring detection frequency:17HZ-60HZ, second-line input impedance: 600Ω (hook), return loss: 40 db Broadband Voice:8KHZ Connection:Point to point, telephone to telephone, telephone to switch Code:PCM code Fiber Ports:FC/UPC Transmission distance:Single-mode single fiber 20KM Environmental Specifications: Operating Temperature: -35°～ 75°C Storage Temperature: -40°～ 85°C Operating Humidity: 0%～95%, non-condensing
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