GB2354906B - Subscriber transmission devices - Google Patents

Subscriber transmission devices

Info

Publication number
GB2354906B
GB2354906B GB0011695A GB0011695A GB2354906B GB 2354906 B GB2354906 B GB 2354906B GB 0011695 A GB0011695 A GB 0011695A GB 0011695 A GB0011695 A GB 0011695A GB 2354906 B GB2354906 B GB 2354906B
Authority
GB
United Kingdom
Prior art keywords
transmission devices
subscriber transmission
subscriber
devices
transmission
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
GB0011695A
Other versions
GB2354906A (en
GB0011695D0 (en
Inventor
Hiroyuki Asano
Shuichi Nakagawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of GB0011695D0 publication Critical patent/GB0011695D0/en
Publication of GB2354906A publication Critical patent/GB2354906A/en
Application granted granted Critical
Publication of GB2354906B publication Critical patent/GB2354906B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/045—Selection or connection testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • 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
    • H04Q2213/1316—Service observation, testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13162—Fault indication and localisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
GB0011695A 1999-08-30 2000-05-15 Subscriber transmission devices Expired - Fee Related GB2354906B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24350299A JP2001069243A (en) 1999-08-30 1999-08-30 Subscriber transmitting device

Publications (3)

Publication Number Publication Date
GB0011695D0 GB0011695D0 (en) 2000-07-05
GB2354906A GB2354906A (en) 2001-04-04
GB2354906B true GB2354906B (en) 2003-12-17

Family

ID=17104861

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0011695A Expired - Fee Related GB2354906B (en) 1999-08-30 2000-05-15 Subscriber transmission devices

Country Status (3)

Country Link
JP (1) JP2001069243A (en)
CN (1) CN1286560A (en)
GB (1) GB2354906B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2407730A (en) * 2003-10-30 2005-05-04 Agilent Technologies Inc Programmable network monitoring element

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01270436A (en) * 1988-04-22 1989-10-27 Nec Corp Isdn subscriber's line test equipment
JPH0239760A (en) * 1988-07-29 1990-02-08 Nec Corp Isdn subscriber line testing system
US5099480A (en) * 1988-01-13 1992-03-24 Ando Electric Co., Ltd. Method of testing bit errors in isdn circuits
JPH05236105A (en) * 1992-02-18 1993-09-10 Fujitsu Ltd Subscriber line fault monitor system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5099480A (en) * 1988-01-13 1992-03-24 Ando Electric Co., Ltd. Method of testing bit errors in isdn circuits
JPH01270436A (en) * 1988-04-22 1989-10-27 Nec Corp Isdn subscriber's line test equipment
JPH0239760A (en) * 1988-07-29 1990-02-08 Nec Corp Isdn subscriber line testing system
JPH05236105A (en) * 1992-02-18 1993-09-10 Fujitsu Ltd Subscriber line fault monitor system

Also Published As

Publication number Publication date
GB2354906A (en) 2001-04-04
JP2001069243A (en) 2001-03-16
GB0011695D0 (en) 2000-07-05
CN1286560A (en) 2001-03-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100515