Access apparatus for PDII/SDII/ATM optical network IP data channel

An IP data and channel technology, applied in the direction of wavelength division multiplexing system, etc., can solve the problems of multiple conversion circuit layers, expensive equipment, and many cross-ring circuits, and achieve high economic benefits, short time required, and low investment Effect

Inactive Publication Date: 2007-09-05
石家庄域联视控控制技术有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0008] 1. Traditional PDH/SDH transmission equipment only provides PDH and SDH standard series rate interfaces, while IP services and image services must be converted by PDH and SDH interfaces before entering the SDH transmission channel, so there are many layers of conversion circuits and low efficiency. Signal distortion is prone to occur, and the equipment is expensive,
[0009] 2. Traditional SDH equipment is designed for circuit switching services. I

Method used

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  • Access apparatus for PDII/SDII/ATM optical network IP data channel

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Embodiment Construction

[0016] The schematic diagram of the typical application of the present invention is shown in the accompanying drawings of the description.

[0017] Description of drawings in the description; the following description and reference to the accompanying drawings give a schematic description of the embodiments of the present invention, and the accompanying drawings are a schematic diagram of a block diagram of the implementation principle of the present invention.

[0018] Brief description of the working principle of Ethernet WDM access:

[0019] The device of the present invention can adopt two Ethernet access modes of Ethernet electrical interface connection or Ethernet optical interface connection, and is suitable for wave transmission under the working condition of the Ethernet electrical port or the working condition of the Ethernet switch having a multi-mode or single-mode optical interface. Multiplexing Ethernet channel access. The two output fibers of the SDH equipment ...

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PUM

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Abstract

The apparatus thereof comprises: PDH/SDH/ATM accessing optical path, device accessing and outputting optical path, light wavelength multiplexer and Ethernet data processing circuit. The invention uses the software to monitor the optical IP access interface and the Ethernet interface and to send the alarm. The invention uses light wavelength division multiplexing technology, and adopts the two-cores optical fiber originally used by PDH/SDH/ATM optical network as transmission carrier; based on the no-change of original PDH/SDH/ATM system, the 10/100/1000M or higher IP data transmission channel is embedded into the PDH/SDH/ATM system.

Description

1. Technical field: [0001] At present, there are huge PDH / SDH / ATM optical network systems that have invested a lot of money in our country and even in the world. How to solve the problem of IP data transmission on the existing PDH / SDH / ATM optical network is the current PDH / SDH / ATM optical network system. As an important problem faced by ATM optical network, the present invention provides a method for efficiently establishing an IP data transmission channel on an existing PDH / SDH / ATM optical network and a technology for implementing equipment. [0002] Use the 2-core optical fiber originally used in the PDH / SDH / ATM optical network system as the transmission carrier, and the IP data channel uses another optical wavelength different from PDH / SDH / ATM to work, without making any changes on the basis of the original network, completely retaining PDH / All the functions of SDH / ATM system, use the original two optical fibers of PDH / SDH / ATM network to embed 100 / 1000M or even higher rate...

Claims

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Application Information

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IPC IPC(8): H04J14/02
Inventor 李建伟
Owner 石家庄域联视控控制技术有限公司
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