4E1+100M PDH Equipment

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Detailed Product Description Technology Features: Supplies 4 transparent E1 and one 100M wire speed Enternet Fiber line bit rate is 150Mbps Ethernet interface supports automatic negotiation feature,full duplex/half duplex and 10M/100M working mode Ethernet interface supports VLAN All necessary alarm functions,supervises the real-time status of remote terminal The orderwire phone uses the ordinary telephone As the remote terminal device,making up of the star-network with the rack device Supplies RS232 network management interface Supplies one user RS232 transparent data channels Single board design, 1U, and 19 Inch standard AC 220 or DC-48 is optional E1 Interface: Bit rate:2048Kbps±50ppm Impedance:75Ω unbalanced(120ohm balanced optional, please declare in advance if you need balanced one) Coding:HDB3,according to ITU-T G.703 Orderwire phone: Ordinary 2 line phone 64Kbps PCM coding When local terminal pick up the phone, remote terminal ring and local terminal ring back tone Anyone terminal hang up, remote terminal shows busy It will have howler tone when remote terminal hang up and local terminal doesnt in one minute Working condition : Input voltage range : -48V,permit -36V~-72V(DC);220V,permit 165~264(AC) Power Consumption : 5W Environment Temperature : 0-50 Humidity:95%,uncondensation

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Human Information Technology Co., LTD

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