JPH0174656U - - Google Patents

Info

Publication number
JPH0174656U
JPH0174656U JP1987168938U JP16893887U JPH0174656U JP H0174656 U JPH0174656 U JP H0174656U JP 1987168938 U JP1987168938 U JP 1987168938U JP 16893887 U JP16893887 U JP 16893887U JP H0174656 U JPH0174656 U JP H0174656U
Authority
JP
Japan
Prior art keywords
line network
terminal
line
transmission characteristics
switch
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.)
Pending
Application number
JP1987168938U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1987168938U priority Critical patent/JPH0174656U/ja
Publication of JPH0174656U publication Critical patent/JPH0174656U/ja
Pending legal-status Critical Current

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Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例のブロツク図、第２
図は第１図の一実施例を用いた通信システムのブ
ロツク図である。 １０……フアクシミリ装置、２０……ＰＢＸ、
６０……電話機、１００……回線接続アダプタ、
１０６１〜１０６４……イコライザ、１０７１〜
１０７４……アツテネータ、１０８１〜１０８４
……伝送特性補償回路、ＳＷ１，ＳＷ２……アナ
ログスイツチ、２００……制御部。 Fig. 1 is a block diagram of an embodiment of the present invention;
This figure is a block diagram of a communication system using the embodiment of FIG. 1. 10...Facsimile device, 20...PBX,
60...Telephone, 100...Line connection adapter,
106 1 ~ 106 4 ... Equalizer, 107 1 ~
107 4 ... Attenuator, 108 1 to 108 4
 ...transmission characteristic compensation circuit, SW 1 , SW 2 ... analog switch, 200 ... control section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 伝送特性の異なる複数の回線網に接続される端
末の前記回線網側に接続され、この端末から前記
回線網側をみたときの伝送特性を等しくするため
の特性の異なる複数の伝送特性補償回路と、この
伝送特性補償回路のうちの一つを前記回線網と前
記端末との間に挿入するための選択を行うスイツ
チと、前記端末からまたは前記回線網側から発着
信時に与えられる制御信号に基づき発着信に係る
回線網の伝送特性に対応させて前記スイツチを切
換える制御部とを具備することを特徴とする回線
接続アダプタ。 A plurality of transmission characteristic compensation circuits connected to the line network side of a terminal connected to a plurality of line networks having different transmission characteristics, for equalizing the transmission characteristics when viewed from the terminal to the line network side; , a switch that selects to insert one of the transmission characteristic compensation circuits between the line network and the terminal, and a control signal given from the terminal or from the line network at the time of incoming and outgoing calls; A line connection adapter comprising: a control unit that switches the switch in accordance with the transmission characteristics of a line network related to outgoing and receiving calls.
JP1987168938U 1987-11-06 1987-11-06 Pending JPH0174656U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987168938U JPH0174656U (en) 1987-11-06 1987-11-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987168938U JPH0174656U (en) 1987-11-06 1987-11-06

Publications (1)

Publication Number Publication Date
JPH0174656U true JPH0174656U (en) 1989-05-19

Family

ID=31458556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987168938U Pending JPH0174656U (en) 1987-11-06 1987-11-06

Country Status (1)

Country Link
JP (1) JPH0174656U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04271557A (en) * 1991-02-26 1992-09-28 Ricoh Techno Net Kk Line correction device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04271557A (en) * 1991-02-26 1992-09-28 Ricoh Techno Net Kk Line correction device

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