JPS60150825U

JPS60150825U - Branching/insertion device

Info

Publication number: JPS60150825U
Application number: JP3698284U
Authority: JP
Inventors: 中西　良信
Original assignee: 日本電気株式会社
Priority date: 1984-03-15
Filing date: 1984-03-15
Publication date: 1985-10-07

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は分岐・挿入装置の従来例のブロック図、第２図
は第１図の分岐・挿入装置の動作を示すタイムチャート
、第３図は本考案の効果を説明するためのブロック図、
第４図は本考案の１実施例に係る分岐・挿入装置のブロ
ック図、第５図は第４図の分岐・挿入装置の動作例を示
すタイムチャートである。１．７：ＰＣＭ信号入力端子、２，８：受信回路、４．
１０：挿入回路、５，１１れ送信回路、６．１２：ＰＣ
Ｍ信号出力端子、１５，１９，２３．２７：音声／ＰＣ
Ｍ信号変換回路、１６，２０．２４，２６：通話路制御
回路、１３，１７゜２１．２５：音声入力端子、１４，
１８，２２゜２６：音声出力端子、２９．３０：除去回
路、３１．３２，３３，３４．ｊ５，３６，３７，３８
：スイッチ。FIG. 1 is a block diagram of a conventional example of a branch/insertion device, FIG. 2 is a time chart showing the operation of the branch/insertion device of FIG. 1, and FIG. 3 is a block diagram for explaining the effects of the present invention.
FIG. 4 is a block diagram of a branch/insertion device according to an embodiment of the present invention, and FIG. 5 is a time chart showing an example of the operation of the branch/insertion device of FIG. 4. 1.7: PCM signal input terminal, 2, 8: receiving circuit, 4.
10: Insertion circuit, 5, 11 transmission circuit, 6.12: PC
M signal output terminal, 15, 19, 23.27: Audio/PC
M signal conversion circuit, 16, 20. 24, 26: Communication path control circuit, 13, 17° 21. 25: Audio input terminal, 14,
18, 22° 26: Audio output terminal, 29. 30: Removal circuit, 31. 32, 33, 34. j5, 36, 37, 38
:switch.

Claims

[Claims for Utility Model Registration] First and second devices that receive PCMI next group signals from a transmission line
a receiving circuit; first and second audio converting circuits that convert the respective PCM signals from the first and second receiving circuits into audio; and first and second audio converting circuits that convert input audio into PCM signals. PC
M signal conversion circuit; first and second communication path control circuits that output control signals specifying communication path numbers of the first and second voice conversion circuits; and the first and second reception circuits. a first for removing PCM signals of the communication path numbers designated by the control signals from the first and second communication path control circuits from among the PCM signals from the circuits;
First and second insertions of inserting the PCM signals obtained by the second removal circuit and the second and first PCM signal conversion circuits into the PCM signals from the first and second removal circuits, respectively. fourth and third call path control circuits that respectively designate call path numbers to be inserted in the circuit and the first and second insertion circuits; first and second transmitting circuits for sending to the next group of transmission lines; control signals from the first and third communication path control circuits to the first removal circuit and the second insertion circuit; 2,
A branching/adding device comprising: a switching circuit that connects and disconnects control signals from a fourth communication path control circuit to the second removal circuit and the first insertion circuit.