Humanity HM-PN08 PCM multiplexer realizes 8FXO/FXS+4Ethernet+2RS232 over fiber.

They are mainly used in public security, military, water conservancy, electric power, oil field etc.  

• Standalone compact design
• Thunder-protection                                                                                                                   
• 24hours aging for stable performance.   

Optical	Ethernet
Default with dual fiber, single mode, 40km, 1310nm, FCOptical module type customizedRate: 150Mbps	4 Ethernet Connector: RJ45Share 100M
Telephone(FXO/FXS)	RS232
8channel FXO/FXSConnector: RJ11Ring voltage: 75ohm(typical)Ring frequency: 17-60HzImpedance: 200Ω+680Ω‖0.1uFWeighted noise: ≤-65dBmopInterface loop resistance: ≤1800Ω	Maximum 2 channel RS232Connector: 1xRJ45Transmitting output voltage: ±15VReceiving input voltage: ±15V  The maximum rate of transmitting and receiving: 115.2Kbps
Power	Environment
AC or DC power option	Working temperature: 0 ~ 70℃Relative humidity: ≤90%(25℃)