JPH02137152U - - Google Patents

Info

Publication number
JPH02137152U
JPH02137152U JP4530189U JP4530189U JPH02137152U JP H02137152 U JPH02137152 U JP H02137152U JP 4530189 U JP4530189 U JP 4530189U JP 4530189 U JP4530189 U JP 4530189U JP H02137152 U JPH02137152 U JP H02137152U
Authority
JP
Japan
Prior art keywords
impulse noise
maintenance device
isdn exchange
echo canceller
accommodated
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
JP4530189U
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 JP4530189U priority Critical patent/JPH02137152U/ja
Publication of JPH02137152U publication Critical patent/JPH02137152U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Description

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

第１図は本考案の一実施例を示すブロツク図で
ある。 １……ＩＳＤＮ交換機、２……ネツトワークタ
ーミネーシヨン（ＮＴ）、３……ケーブル、４…
…端末（ＴＥ）、１１……エコーキヤンセラ伝送
装置（ＬＴ）、１２……メンテナンス装置（ＭＡ
Ｔ）、１２１……インパルスノイズカウンタ（Ｉ
ＰＣ）。 FIG. 1 is a block diagram showing one embodiment of the present invention. 1...ISDN switch, 2...Network termination (NT), 3...Cable, 4...
...Terminal (TE), 11...Echo canceller transmission device (LT), 12...Maintenance device (MA)
T), 121... Impulse noise counter (I
PC).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エコーキヤンセラ伝送装置とメンテナンス装置
とを備えるＩＳＤＮ交換機において、前記メンテ
ナンス装置に前記ＩＳＤＮ交換機が収容する加入
者線インパルスノイズを測定するインパルスノイ
ズカウンタを有することを特徴とするＩＳＤＮ交
換機。 An ISDN exchange comprising an echo canceller transmission device and a maintenance device, wherein the maintenance device includes an impulse noise counter for measuring subscriber line impulse noise accommodated in the ISDN exchange.
JP4530189U 1989-04-17 1989-04-17 Pending JPH02137152U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4530189U JPH02137152U (en) 1989-04-17 1989-04-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4530189U JPH02137152U (en) 1989-04-17 1989-04-17

Publications (1)

Publication Number Publication Date
JPH02137152U true JPH02137152U (en) 1990-11-15

Family

ID=31559355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4530189U Pending JPH02137152U (en) 1989-04-17 1989-04-17

Country Status (1)

Country Link
JP (1) JPH02137152U (en)

Similar Documents

Publication Publication Date Title
CA2168484A1 (en) Client-Server Architecture Using Internet and Public Switched Networks
CA2244781A1 (en) System for deferred call answering in a telecommunications system
CA2210058A1 (en) Games on hold telephony service
JPH02137152U (en)
ATE106649T1 (en) TELEPHONE PBX SYSTEM WITH SIMPLIFIED CONTROL FEATURE.
JPS6268348U (en)
JPH0322460U (en)
JPH0186741U (en)
JPS637839U (en)
JPS6310654U (en)
JPS6261455A (en) Howler tone transmission control system
JPH02103941U (en)
JPH01147560U (en)
JPS6451358U (en)
JPH0213341U (en)
JPH01160758U (en)
JPH02133044U (en)
JPH0310662U (en)
JPH0356254U (en)
JPH0359760U (en)
JPS6395352U (en)
JPS62171247U (en)
JPH0174656U (en)
JPS5840970U (en) data transmission equipment
JPS645580U (en)