CA2332726A1 - Protection de circuits d'interface de lignes d'abonnes (slics) sans degradation de la symetrie longitudinale - Google Patents

Protection de circuits d'interface de lignes d'abonnes (slics) sans degradation de la symetrie longitudinale Download PDF

Info

Publication number
CA2332726A1
CA2332726A1 CA 2332726 CA2332726A CA2332726A1 CA 2332726 A1 CA2332726 A1 CA 2332726A1 CA 2332726 CA2332726 CA 2332726 CA 2332726 A CA2332726 A CA 2332726A CA 2332726 A1 CA2332726 A1 CA 2332726A1
Authority
CA
Canada
Prior art keywords
current limiting
line interface
impedance
interface circuit
subscriber
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.)
Abandoned
Application number
CA 2332726
Other languages
English (en)
Inventor
Mark Ayoub
Joe Lung
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.)
Mitel Networks Corp
Original Assignee
Mitel Corp
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 Mitel Corp filed Critical Mitel Corp
Priority to CA 2332726 priority Critical patent/CA2332726A1/fr
Publication of CA2332726A1 publication Critical patent/CA2332726A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/18—Automatic or semi-automatic exchanges with means for reducing interference or noise; with means for reducing effects due to line faults with means for protecting lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Emergency Protection Circuit Devices (AREA)
CA 2332726 2001-01-29 2001-01-29 Protection de circuits d'interface de lignes d'abonnes (slics) sans degradation de la symetrie longitudinale Abandoned CA2332726A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2332726 CA2332726A1 (fr) 2001-01-29 2001-01-29 Protection de circuits d'interface de lignes d'abonnes (slics) sans degradation de la symetrie longitudinale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2332726 CA2332726A1 (fr) 2001-01-29 2001-01-29 Protection de circuits d'interface de lignes d'abonnes (slics) sans degradation de la symetrie longitudinale

Publications (1)

Publication Number Publication Date
CA2332726A1 true CA2332726A1 (fr) 2002-07-29

Family

ID=4168210

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2332726 Abandoned CA2332726A1 (fr) 2001-01-29 2001-01-29 Protection de circuits d'interface de lignes d'abonnes (slics) sans degradation de la symetrie longitudinale

Country Status (1)

Country Link
CA (1) CA2332726A1 (fr)

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead