Humanity HM-PL PCM multiplexer realizes telephone and customized services over fiber.

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

• Thunder-protection                                                                                                                           
• 24hours aging for stable performance.     
• Customized flexible services

Optical	Telephone(FXO/FXS/hotline)
Default with dual fiber, single mode, 40km, 1310nm, FC Optical module is option when in order. Rate: 4.096Mbps	Connector: RJ45 Impedance: 200Ω+680Ω‖0.1uF Frequency character: 300-3400Hz（-0.6-+3dB）Weighted noise: ≤-65dBmop Interface loop resistance: ≤1800Ω
Low speed Ethernet(option)	2/4 wire EM(option)
Connector: RJ45 Bandwidth: NX64Kbps，N=1-30 MAC address list capability: 1024 MAC address list aging time: 5 minutes The minimum frame length: 64byte~2024byte VLAN: support VLAN transparent transmission	Input impedance: 600Ω 2 wire RX signal A/D gain: 0db; TX D/A gain: 0db; 4 wire RX A/D gain: 7-14db, TX D/A gain: +4db Tolerance common-mode voltage in audio wire: 300V CMRR: better than 55db.
Magnet phone(option)	RS232(option)
Connector: RJ45 Input impedance(normal non ringing status): 600Ω Return loss: 40dB Frequency: 300-3400Hz（-0.6-+3dB） Ring voltage: ≤ 90V Ring frequency: 20Hz to 90Hz	Connector: RJ45Transmitting output voltage: ±15VReceiving input voltage: ±15V  The maximum rate of transmitting and receiving: 38.4Kbps
RS485(option)	V.35
Connector: RJ45 Receiver input sensitivity: maximum ±200mV Receiver output current, IO: ±10mA The maximum transmitting and receiving rate: 38.4Kbps	Interface: DCE Connector: DB25 Rate: NX64Kbps, N=1-30
Console management	Environment
Connector: RJ45 For monitor and configuration	AC, DC, or AC+DC power Power consumption: ≤30W Working temperature: 0 ~ 70℃ Relative humidity: ≤90%(25℃)