Hdsl

Xem 1-20 trên 49 kết quả Hdsl
  • Công nghệ VDSL Là một công nghệ trong họ xDSL VDSL (Very high data rate DSL) cung cấp các đường thuê bao số với tốc độ rất cao. Cũng như các dịch vụ khác trong họ xDSL như ADSL, HDSL, SDSL… kĩ thuật VDSL được sử dụng để cung cấp các dịch vụ băng rộng như các kênh tivi, truy nhập dữ liệu với tốc độ rất cao hội nghị qua video, video động, truyền tổ hợp dữ liệu và tín hiệu video trên cùng một đường dây… cho các thuê bao dân cư và kinh doanh trong lúc chưa...

    doc12p buiquockhanh 06-05-2011 309 139   Download

  • The Soneplex family of HDSL remote enclosures allows flexible configuration of Soneplex HDSL type 400 remote modules. Options include single and multiple installation, cabinet, telco room or rack mounting, and inside or outside deployment. ADC's Soneplex system is the lowest total cost solution for carriers to grow their T1-based business services. Focused on providing flexible, end-to-end solutions, the Soneplex system saves carriers money on T1-based services over copper or fiber, using HDSL, ADSL, traditional T1 repeater or Optical DS2 technology, in a single platform.

    pdf6p minhthanh 10-08-2009 84 13   Download

  • The Soneplex HDSL DDM Plus (HLXPLUS) module operates with ADC's Soneplex HDSL Remote Module to provide full duplex DS1 transport over two unconditioned, non-loaded copper loops up to 12,000 ft. Designed for plug-in compatibil- ity with the central office-based AT&T DDM Plus shelf, the HLXPLUS provides fast, simple and economical HDSL trans- mission in new or existing installations.

    pdf2p minhthanh 10-08-2009 83 6   Download

  • The Soneplex 220 HDSL Single-Position Chassis provides simple and cost-effective housing and cable interconnec- tions for installation of a single ADC Soneplex 220 HDSL (HLX220) plug-compatible module. The compact chassis is ideal for use in small central offices, controlled environ- ment vaults or locations where space is limited and -48 VDC power is available.

    pdf2p batoan 10-08-2009 67 5   Download

  • The Soneplex 220 HDSL (HLX220) module operates with ADC's Soneplex HDSL Remote module to provide full duplex DS1 transport over two unconditioned, non-loaded copper loops up to 12,000ft. An HDSL Repeater doubles the distance up to 24,000ft. Designed for plug-in compatibility with central office-based 220- type repeater shelves, the HLX220 provides fast, simple and economical HDSL transmission in new or existing installations.

    pdf2p batoan 10-08-2009 67 5   Download

  • HDSL is a powerful, cost-effective, T1-based transport technology that leverages existing copper infrastructure and is, therefore, of great interest to both subscribers and service providers. It uses central office (CO) units at the carrier's office and remote units at the customer site and may, depending upon distance, require HDSL repeaters over the length of the copper span. The power needed to operate the repeaters and remote equipment is provided over the span itself, and must be handled safely for the protection of users and telephone company craftspersons....

    pdf4p minhthanh 10-08-2009 68 5   Download

  • The Soneplex HDSL Single Shot Repeater is a self-enclosed, easy-to-deploy HDSL repeater. It is ideal for small, temporary, or time-critical applications. Its simplicity provides a very cost-effective option for installations that might not otherwise be feasible. ADC's Soneplex system is the lowest total cost solution for carriers to grow their T1-based business services.

    pdf2p batrinh 11-08-2009 89 5   Download

  • The Soneplex HDSL Remote (HLXR) module operates with ADC's Soneplex HDSL Central Office module to provide full duplex DS1 transport over two unconditioned, non-loaded copper loops. This 200 mechanics HLXR module is compatible with a variety of indoor and outdoor enclosures, including a network interface device. It supports span powered HDSL service up to 12,000 feet. One HDSL repeater extends the HDSL distance up to 24,000 feet, or 36,000 feet with two repeaters. Three models are available, each occupying a single slot in either a 200 or 400 style enclo- sure....

    pdf2p minhtuan 10-08-2009 161 3   Download

  • ADC’s HDSL Interface Panel combines HDSL termination, DSX-1 and DSX-3 into a single shelf supporting the outside plant environment. With its modular design, the universal panel saves space without sacrificing quality.

    pdf2p maiphuong 14-08-2009 57 10   Download

  • The Soneplex 3192 HDSL (HLX319) module operates with ADC's Soneplex HDSL Remote Module to provide full duplex DS1 transport over two unconditioned, non-loaded copper loops up to 12,000ft. An HDSL Repeater doubles the distance up to 24,000ft. Designed for plug-in compatibility with existing 3192 repeater shelves, the HLX319 provides fast, simple and economical HDSL transmission in new or existing installations.

    pdf2p batrinh 10-08-2009 80 9   Download

  • The Soneplex HDSL Slimline Repeater operates with ADC's Soneplex HDSL Central Office and Remote modules to extend the effective length of HDSL spans to 24,000 ft using one repeater or 36,000 ft with two repeaters. It inserts into a single slot of any industry-standard 239- mechanics outdoor enclosure, or ADC’s Soneplex Radiator™ or EnCaser™ 819. ADC's Soneplex system is the lowest total cost solution for carriers to grow their T1 business services.

    pdf2p thuyvan 13-08-2009 82 6   Download

  • The Soneplex 220 HDSL Two-Position Chassis provides simple and cost-effective housing and cable interconnections for installation of two ADC Soneplex 220 HDSL (HLX220) plug-compatible modules. The compact chassis is ideal for use in central offices, controlled environment vaults or locations where space is limited and -48 VDC power is available.

    pdf2p batrinh 11-08-2009 59 5   Download

  • The low-cost HDSL Single Shot Repeater is fully self-contained and completely sealed against the elements. It can be installed in any convenient location, such as a manhole, an existing pedestal or splice cabinet. Since it is span powered, it requires no supporting infrastructure and can be quickly installed for temporary applications like conventions or in response to urgent needs.

    pdf2p maiphuong 14-08-2009 45 5   Download

  • Tham khảo tài liệu 'two-pair t1 fixed-rate hdsl', công nghệ thông tin, phần cứng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf2p thuyvan 13-08-2009 71 4   Download

  • The HLXS is a self-contained sub-system that manages all aspects of HDSL transmission, allowing HDSL transport capability to be integrated into any T1-compatible telecommunications product, from digital loop carrier systems to channel boxes to T1 test equipment. All that’s required is a 1.544 Mbps payload signal interface from the host system with clock and an optional frame pulse. The HLXS connects to the host system via a single 32-pin connector.

    pdf4p thuyvan 13-08-2009 28 2   Download

  • ADC offers a wide variety of HDSL modules to fit numerous shelf types such as industry standard 220 style repeater, 3192 style repeater and also ADC’s unique Soneplex system chassis. All chassis styles provide the mechanical interface for conversion from standard DS1 signals to HDSL encoded signals. This HDSL encoded signal is called 2B1Q and provides the capability to transmit DS1 signal information over longer distances without the need for traditional repeaters.

    pdf4p thuyvan 13-08-2009 33 2   Download

  • In many applications, T1 repeater and other hicap transmission equipment lines are terminated in remote cabinets in 3192-style shelves or racks. Now, with the recent introduction of the Soneplex 3192R HDSL remote module, HDSL circuits originating from a Soneplex central office terminal (COT) module can be terminated remotely in 3192-style shelves. The 3192 shelf is a standard shelf configuration commonly used in the industry. 3192 shelves support 28 module slots and each slot is provided power, local alarm contact points and circuit pin-outs for loop and line wiring for the module....

    pdf2p thuyvan 13-08-2009 40 2   Download

  • High-bit-rate digital subscriber line (HDSL) circuits for the delivery of DS1 services can now be extended to 36,000 feet by implementing the newly introduced Soneplex main processor unit (MPU) module with software release 5.2 and the latest version Soneplex HDSL central office repeater and remote modules. This allows monitoring of the signals from the central office along each span.

    pdf2p thuyvan 13-08-2009 27 2   Download

  • The EDU-840, L2 is utilized to extend the reach of a two-pair fixed rate WorldDSL HDSL circuit. Up to two EDU-840’s can be installed in a circuit, each of which will extend the reach of the circuit. For example, if, based on the noise model and wire gauge, reach is 3 Km, adding one EDU-840 will extend reach to 5.8 Km and a second will extend reach to 7.5 Km. The EDU-840 is suitable for outdoor use and is mounted in one of several ADC weatherproof enclosures. It features a front panel LED for easy verification of operation during installation and troubleshooting as well as lightning...

    pdf2p thuyvan 13-08-2009 48 2   Download

  • HDSL (High-speed DSL) là đường truyền thuê bao kỹ thuật số tốc độ cao, đạt 1,544-2,048 Mbps và cần dùng tới 2 hoặc 3 đường cáp đôi. SDSL (Symmtric DSL) tương tự như HDSL, nhưng chỉ sử dụng một đường cáp và dung lượng truyền dữ liệu hai chiều bằng nhau, đạt khoảng 1,544-2,048 vụ số, có tốc độ download và upload như nhau, đạt 128 Kbps. RADSL (Rate Adaptive DSL) điều chỉnh tốc độ truyền theo chất lượng tín hiệu. ...

    pdf17p artemis08 16-09-2011 150 87   Download

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