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ATM Communication systems with modular structure

A communication system, a modular technology, applied in transmission systems, digital transmission systems, selection devices of multiplexing systems, etc., can solve problems such as software changes

Inactive Publication Date: 2003-01-29
SIEMENS AG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

So software—changes, especially changes in switching software, lead to software changes in the switching device and also cause software changes in the control device

Method used

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  • ATM Communication systems with modular structure
  • ATM Communication systems with modular structure
  • ATM Communication systems with modular structure

Examples

Experimental program
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Embodiment Construction

[0025] FIG. 1 shows a communication system KS which consists of a switching device SB and a control device CB.

[0026] An ATM switching matrix module ASN operating in asynchronous transfer mode, a plurality of subscriber line modules SLMP, a communication module KM and a clock module TM are installed in the switching device SB.

[0027] For example, 16 bidirectional terminal connections A with a transmission rate of 175.805 Mbit / s each are installed on the ATM switch matrix module ASN. To exchange cells organized in asynchronous transfer mode, these cells are connected via the ATM switching matrix module ASN according to the automatic switching principle according to the switching technology information transmitted together. This means that a cell can be switched independently via the switch matrix module ASN by means of the switching technology information transmitted together—for example, in an additional header located at the beginning of the cell. Physically transmit thi...

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Abstract

PCT No. PCT / DE95 / 00365 Sec. 371 Date Sep. 13, 1996 Sec. 102(e) Date Sep. 13, 1996 PCT Filed Mar. 15, 1995 PCT Pub. No. WO95 / 25412 PCT Pub. Date Sep. 21, 1995An ATM communication system with a modular structure for the switching of packeted cells (Z) between ATM communication terminals (KE) over dial-up or fixed connections has a switching device (SB) and a remote control device (CB). Arranged in the switching device (SB) is an ATM switching matrix module (ASN), at least one subscriber line module (SLMP), a communication module (KM) and a clock module (TM), and the control device (CB) is formed by a personal computer (PC) which controls the switching device (SB) in terms of operation, switching and administration and in which a processor-controlled communication adaptor (CA) is provided for the exchange of information with the switching device (SB). This concept of a switching device (SB) and a separate control device (CA) in a personal computer (PC) achieves the effect of largely isolating hardware and software and brings about a considerable increase in the modularity and freedom of configuration of ATM communication systems (KS), in particular relatively small ATM communication systems.

Description

technical field [0001] ATM-communication system of modular construction for connecting terminal equipment communicating at high transfer rates in private and public communication networks. The transmission and exchange of messages takes place in an asynchronous transfer mode in which the information to be transmitted is transmitted or exchanged in data packets according to the CCITT standard I.361, ie in data packets (cells) of fixed length. At present, the internationally standardized transmission bit rates are 155 and 622Mbit / s. With the aid of the channel and path information inserted in the header of the cell, the cell is transmitted from a communication terminal via a communication system to a specific virtual transmission channel of the communication terminal. The transmission channel is established by a user signalling—as in known time-division multiplex communication systems—or also by inputting management data into the communication system and logically maintained du...

Claims

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Application Information

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IPC IPC(8): H04L49/111H04Q3/68H04Q11/04
CPCH04L2012/5652H04L49/255H04L49/1553H04Q11/0478H04L2012/5625H04L49/104H04Q3/685H04L49/3081
Inventor S·哈曼H·施兰姆H·朗巴哈H·莱什
Owner SIEMENS AG
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