GB2246677B - Synchronous multi-wavelength optical terminal - Google Patents

Synchronous multi-wavelength optical terminal

Info

Publication number
GB2246677B
GB2246677B GB9016720A GB9016720A GB2246677B GB 2246677 B GB2246677 B GB 2246677B GB 9016720 A GB9016720 A GB 9016720A GB 9016720 A GB9016720 A GB 9016720A GB 2246677 B GB2246677 B GB 2246677B
Authority
GB
United Kingdom
Prior art keywords
wavelength optical
optical terminal
synchronous multi
synchronous
terminal
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB9016720A
Other versions
GB2246677A (en
GB9016720D0 (en
Inventor
Richard Edward Epworth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks Ltd
STC PLC
Alcatel Submarine Networks UK Ltd
Nortel Networks Optical Components Ltd
Original Assignee
Northern Telecom Ltd
STC PLC
Northern Telecom Europe Ltd
STC Submarine Systems Ltd
STC Ltd
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 Northern Telecom Ltd, STC PLC, Northern Telecom Europe Ltd, STC Submarine Systems Ltd, STC Ltd filed Critical Northern Telecom Ltd
Priority to GB9016720A priority Critical patent/GB2246677B/en
Publication of GB9016720D0 publication Critical patent/GB9016720D0/en
Publication of GB2246677A publication Critical patent/GB2246677A/en
Application granted granted Critical
Publication of GB2246677B publication Critical patent/GB2246677B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0337—Selecting between two or more discretely delayed clocks or selecting between two or more discretely delayed received code signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0091—Transmitter details

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
GB9016720A 1990-07-31 1990-07-31 Synchronous multi-wavelength optical terminal Expired - Fee Related GB2246677B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9016720A GB2246677B (en) 1990-07-31 1990-07-31 Synchronous multi-wavelength optical terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9016720A GB2246677B (en) 1990-07-31 1990-07-31 Synchronous multi-wavelength optical terminal

Publications (3)

Publication Number Publication Date
GB9016720D0 GB9016720D0 (en) 1990-09-12
GB2246677A GB2246677A (en) 1992-02-05
GB2246677B true GB2246677B (en) 1994-06-01

Family

ID=10679898

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9016720A Expired - Fee Related GB2246677B (en) 1990-07-31 1990-07-31 Synchronous multi-wavelength optical terminal

Country Status (1)

Country Link
GB (1) GB2246677B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5673133A (en) * 1995-04-14 1997-09-30 Nippon Telegraph And Telephone Corporation Phase synchronization system
FR2769154B1 (en) * 1997-09-30 1999-12-03 Thomson Csf PRECISE SYNCHRONIZATION DEVICE
US7039323B2 (en) 2001-08-13 2006-05-02 Sun Microsystems, Inc. Optical transmitter for transmitting a plurality of output signals
US20030030878A1 (en) * 2001-08-13 2003-02-13 Jyh-Ming Jong Optical receiver for receiving a plurality of input signals
DE102011087472B4 (en) 2011-11-30 2016-10-20 Continental Automotive Gmbh Method for synchronizing clocks in nodes of a vehicle network and for implementing the method of established nodes

Also Published As

Publication number Publication date
GB2246677A (en) 1992-02-05
GB9016720D0 (en) 1990-09-12

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940901