4E1,8E1 PDH Multiplexer

Product Overview FT-50B PDH Optical Terminal is a highly integrated fiber/electrical equipment; it can be configured with 2 hot-plugging optical interfaces, 4E1 and 4 10/100Mbps Ethernet interfaces (optional), and 2 hot-plugging electrical expansion slots.The equipment can be used between PBXs, mobile base stations and various special communications. It has been widely used in telecom carrier, power supply, railway, irrigation works, oil, bank system etc.Main Features Ø High Integration and Flexible Configuration l Integrated fiber/electrical equipment, two fiber interfaces support hot backup l All functional cards support hot plugging; the functional cards include 2 optical transmission cards, 1 4E1 CARD, 2 access cards. The 4E1 card can be 75Ω or 120Ω. The access cards can be audio interface or data interface or E1 interface. 10/100M Ethernet card can be optional High Intelligence and Powerful Network Management System l Operating status of local or remote devices can be detected and displayed through NMS l Convenient to set parameters, adjust audio level and data rate, set time slot of data interface and receiving & transmitting level of analog interface, read devices' settings l Up to 4 NMS platforms can run simultaneously in the same network, and the NMS platform can be deployed in any node of the network; supporting Ethernet interface High Reliability l Advanced circuit design, modular structure l Adopting low power consumption, high reliable components l Using hot backup dual fiber interfaces and power supplies l All functional cards support hot plugging Ø Smart Shelf l 1U high, 19 standard shelf l Compact, beautiful, light and good strength design Ø Low Power Consumption l The power consumption is less than 10 Watt Service Boards Ø PWR board: -48V DC or 220V AC is optional, supports dual power supply. Audio Service Boards: Ø Audio interface card: Two-wire interface are FXS, FXO, H (hotline), M (magneto), and two-wire E&M; four-wire interface is 4 wire E&M. The nominal impedance is 600Ω Ø Maintenance phone port: Maintenance phone has echo tone, busy tone, and ring signal. Up-link Boards: Optical transmission units: 2, mutual backup, hot swap, transmission distance is more than 30KM without repeat. Data Service Boards: Ø E1 interface card: 4 E1s per card, 75Ω or 120Ω can be selected. Q9 with75Ω and RJ45 with 120Ω. Ø RS232 data card: contains 2 channels asynchronous RS232 data interface, conforms to ITU-T V.24/V.28 standard. Ø RS485 data card: contains 2 channels asynchronous RS485 data interfaces, they are full duplex and four wire mode interfaces. Ø N×64Kbps FV.35 card: contains 1 4 channel synchronous V.35 data of N×64Kbps data rate, N is from 1 to 30. Ø 10/100M Ethernet data interface card: providing 4 channel 10/100 Base-T Ethernet bridge, support VLAN. Remark: Power board and uplink board are essential, other audio and data service board is optional. FT-50B may be configured as 4 or 8 E1s, 4 ports of 10/100M Ethernet, 4 or 8 channels of voice signal, 2 channels of RS232 asynchronous data, 1 to 4 channels of V.35 synchronous data, 2 net management ports, and 1 maintenance phone port. Specifications Ø Optical Fiber Interface l Port number: 1 2, support redundant backup l Bit rate: 150Mbps±50ppm l Wavelength: 1310nm/1550nm l Optical power: > -9dBm l Sensitivity: < -38dBm (BER≤1×10-10) l Distance: 0 120Km l Connector: FC/PC Ø E1 Port l Port number: 4 or 6 or 8 l Bit rate: 2.048Mbps (50ppm) l Impedance: 75Ω or 120Ω l Line Code: HDB3, compliance with ITU-T G.703 l Jitter: compliance with G.823 Ø Ethernet Port l Port number: 4, optional l Speed: 10/100Mbps line speed l Duplex: Half duplex/Full duplex self adaptation l Frame Size: 64 1536 bytes l Connector: RJ45 Ø Environmental Requirements l Power supply: -48 VDC ±15% l Fully equipment power consumption: 10W±10% l Operating temperature: 0ºC 45ºC l Humidity: ≤95% (free from condensing) l Storage temperature: -20ºC 70ºC Ø Mechanical dimensions l Dimensions: 482 (L)×240 (W)×44 (H) mm l Weight: 2.5Kg.