FI974273A - A subscriber - Google Patents

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Publication number
FI974273A
FI974273A FI974273A FI974273A FI974273A FI 974273 A FI974273 A FI 974273A FI 974273 A FI974273 A FI 974273A FI 974273 A FI974273 A FI 974273A FI 974273 A FI974273 A FI 974273A
Authority
FI
Finland
Prior art keywords
message
signalling
unit
signalling channel
subscriber
Prior art date
Application number
FI974273A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI109074B (en
FI974273A0 (en
Inventor
Caj Nordstroem
Original Assignee
Nokia Telecommunications Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Priority to FI974273A priority Critical patent/FI109074B/en
Publication of FI974273A0 publication Critical patent/FI974273A0/en
Priority to PCT/FI1998/000899 priority patent/WO1999029138A1/en
Priority to AU12377/99A priority patent/AU1237799A/en
Priority to EP98955605A priority patent/EP1042940A1/en
Publication of FI974273A publication Critical patent/FI974273A/en
Application granted granted Critical
Publication of FI109074B publication Critical patent/FI109074B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/06—Time-space-time switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/324—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the data link layer [OSI layer 2], e.g. HDLC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13003—Constructional details of switching devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13031—Pulse code modulation, PCM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13034—A/D conversion, code compression/expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1309—Apparatus individually associated with a subscriber line, line circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13096—Digital apparatus individually associated with a subscriber line, digital line circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176—Common channel signaling, CCS7
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204—Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13292—Time division multiplexing, TDM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13299—Bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1332—Logic circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

A subscriber multiplexing device comprising a time-division user data bus (33) and a message-based signalling channel (34) between subscriber interface units (32) and a multiplexing unit (31), the signalling channel being common to all the subscriber interface units. A "message based" signalling channel means that signalling is transferred in discrete protocol data units (PDU), or messages, comprising at least a destination address and the actual signalling data. Each unit connected to the signalling channel receives the message and compares the destination address of the message to its own address. When the addresses match, the unit concerned identifies the message as being addressed to it. If there is no match, the unit rejects the message. Each unit sends a signalling message only when needed, on event basis, in response to an internal change in state or to a message received from another unit, for example. In other words, information about changes is only signalled further through the signalling channel (34).
FI974273A 1997-11-18 1997-11-18 Abonnentmultiplexeringsanordning FI109074B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI974273A FI109074B (en) 1997-11-18 1997-11-18 Abonnentmultiplexeringsanordning
PCT/FI1998/000899 WO1999029138A1 (en) 1997-11-18 1998-11-17 Subscriber multiplexing device
AU12377/99A AU1237799A (en) 1997-11-18 1998-11-17 Subscriber multiplexing device
EP98955605A EP1042940A1 (en) 1997-11-18 1998-11-17 Subscriber multiplexing device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI974273A FI109074B (en) 1997-11-18 1997-11-18 Abonnentmultiplexeringsanordning
FI974273 1997-11-18

Publications (3)

Publication Number Publication Date
FI974273A0 FI974273A0 (en) 1997-11-18
FI974273A true FI974273A (en) 1999-05-19
FI109074B FI109074B (en) 2002-05-15

Family

ID=8549975

Family Applications (1)

Application Number Title Priority Date Filing Date
FI974273A FI109074B (en) 1997-11-18 1997-11-18 Abonnentmultiplexeringsanordning

Country Status (4)

Country Link
EP (1) EP1042940A1 (en)
AU (1) AU1237799A (en)
FI (1) FI109074B (en)
WO (1) WO1999029138A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178479A (en) * 1978-02-06 1979-12-11 Trw, Inc. Communication processor apparatus for use in a TDM switching system
FR2443781A1 (en) * 1978-12-08 1980-07-04 Cochennec Jean Yves SYSTEM FOR CONNECTING SUBSCRIBER LINES TO A TEMPORAL TELEPHONE SWITCH
GB2213024B (en) * 1987-11-24 1991-07-31 Stc Plc Data transmission system
FR2641093B1 (en) * 1988-12-23 1994-04-29 Alcatel Business Systems

Also Published As

Publication number Publication date
EP1042940A1 (en) 2000-10-11
AU1237799A (en) 1999-06-16
FI109074B (en) 2002-05-15
WO1999029138A1 (en) 1999-06-10
FI974273A0 (en) 1997-11-18

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Legal Events

Date Code Title Description
MA Patent expired