Humanity HM-PT PCM multiplexer realizes 8E1, 4 Ethernet and customized flexible services over fiber.

The flexible services are offered by 4 extra service slots. 

• Thunder-protection                                                         
• ALS to protect eyes during installation.                                             
• Optical 1+1 for stable performance option                                                                            
• 24hours aging for stable performance.     
• Customized flexible services: low speed Ethernet, 2/4wire E&M, magnet phone, RS232,RS485 etc.                                           

Optical	E1
ALS option by DIP4 Rate: 150Mbps Default with dual fiber, single mode, 40km, 1310nm, FCFC/SC/SFP option Optical module is option when in order. Rate: 150Mbps Optical 1+1 option	4E1 or 8E1 optionCoding: HDB3 Impedance: 75Ω or 120Ω option Connector for 75Ω: DB37 connector for 75ohm, offer DB37/BNC adaptors in accessory. Connector for 120Ω: Embedded RJ45 for 120ohm
Fast Ethernet	Telephone(FXO/FXS/hotline,option)
4 Ethernet interfaces with VLAN Share 10/100M, MDI/MDIX, full/half duplex Connector: RJ45 MAC address list capability: 1024 Frame length: 64byte~1916byte Support stream control	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: 1024MAC 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: 300VCMRR: 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: RJ45 Transmitting output voltage: ±15V Receiving input voltage: ±15V   The maximum rate of transmitting and receiving: 38.4Kbps
RS485(option)	Console management
Connector: RJ45 Receiver input sensitivity: maximum ±200mV Receiver output current, IO: ±10mA The maximum transmitting and receiving rate: 38.4Kbps	Connector: RJ45For monitor and configuration
Power& Dimension	Environment
AC220V(168~265V), DC-48V(-36V~-72V) or dual power Power consumption: ≤30W 1U19inch 483mm(length)×44mm(height)×260mm(depth)	Working temperature: 0 ~ 70℃ Relative humidity: ≤90%(25℃)