Humanity HM-PE PCM multiplexer can realizes telephone and customized services over E1.

The customized services are offered by 4 extra service slots. 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 over E1 

E1	Telephone(FXO/FXS/hotline)
One E1 with HDB3 codingRate: 2.048Mb/s±50ppmBoth with BNC （75Ω）and RJ45（120Ω）Fully comply with ITU-T G.703	Connector: RJ45Impedance: 200Ω+680Ω‖0.1uFFrequency character: 300-3400Hz（-0.6-+3dB）Weighted noise: ≤-65dBmopInterface loop resistance: ≤1800Ω
Low speed Ethernet(option)	2/4 wire EM(option)
Connector: RJ45Bandwidth: NX64Kbps，N=1-30MAC address list capability: 1024MAC address list aging time: 5 minutesThe minimum frame length: 64byte~2024byteVLAN: support VLAN transparent transmission	Input impedance: 600Ω2 wire RX signal A/D gain: 0db; TX D/A gain: 0db; 4 wire RX A/D gain: 7-14db, TX D/A gain: +4dbTolerance common-mode voltage in audio wire: 300VCMRR: better than 55db.
Magnet phone(option)	RS232(option)
Connector: RJ45Input impedance(normal non ringing status): 600ΩReturn loss: 40dBFrequency: 300-3400Hz（-0.6-+3dB）Ring voltage: ≤ 90VRing 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: RJ45Receiver input sensitivity: maximum ±200mVReceiver output current, IO: ±10mA The maximum transmitting and receiving rate: 38.4Kbps	Interface: DCEConnector: DB25Rate: NX64Kbps, N=1-30
Console management	Environment
Connector: RJ45For monitor and configuration	AC, DC, or AC+DC powerPower consumption: ≤30WWorking temperature: 0 ~ 70℃Relative humidity: ≤90%(25℃)