2 Port POTS Telephones and Network Extender Over Fiber Optic A Set, PCM Phone RJ11 RJ45 to Fiber Converter, ST Optical Singlemode 20Km Multimode 500M,Support Called id, Ring and Fax

Phone RJ11 port specifications: 1.Ring current voltage: 150 VRMS 2.Ringing voltage: typical 75V, 90Vmax, 3.Ringing frequency: 17~60HZ 4.Two-wire input impedance: 200R+680R//0.1uF (adjustable to 600 Ω) 5.Return loss: 20 db 6.Idle channel noise : 75 Db 7.Common mode rejection ratio： CMRR 60-70 8.User Interface (FXS): Connect to the user's telephone Ethernet RJ45 port specifications: Rate: 10M/100M, full duplex, half duplex fully adaptive Protocol: IEEE802.3 10Base-T Ethernet , IEEE802.3u. 100Base-TX/FX Fast Ethernet , IEEE802.3x Flow control , IEEE802.1q VLAN,IEEE802.1p Qos,IEEE802.1d Spanning Tree Physical interface: RJ45, support AUTO-MDIX (cross line straight line adaptive) Power supply: 1. Suitable working voltage AC100~240V, DC5V/1A. 2. US/EU/UK/AU standard power supply adaptor is optional. Other index Working temperature -20°C ~70°C Storage temperature -40°C ~85°C MTBF >100,000hours Product size: 104*104*28mm(LxWxH) Weight: 0.8Kg/set Package include: 1. 1x 2 port POTS telephone Transmitter 2. 1x 2 port POTS telephone Receiver 3. 2xExternal power adapter 4. User Manual

• Extend POTS Telephones and Network signal by fiber: 2 Independent POTS telephone lines and 1x 10/100 Mbit/s Ethernet port over same fiber optic cable to remote end
• Suitable for Both Fiber Types (Single-mode and multimode). Single-mode fiber distance up to 20 km(12.4 miles), Multimode fiber distance up to 500m(0.31 miles)
• Uncompressed and No Delay Transmission and Protocol Support, High fidelity speech. Support Called id, Ring and Fax function
• Professional High Quality & Excellent performance, Voice quality is clear and stable. Widely used in government units, electric power, public security, military, civil aviation, maritime, mining, highway and other college networks or public networks
• LEDs for power supply and optical fiber link, data status indication can monitor the operating status of the system
• Plug and play,No need to set up