ES427361A1 - Selector unit of central and unit for centralized observation of the service of a telecommunication network. (Machine-translation by Google Translate, not legally binding) - Google Patents
Selector unit of central and unit for centralized observation of the service of a telecommunication network. (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES427361A1 ES427361A1 ES427361A ES427361A ES427361A1 ES 427361 A1 ES427361 A1 ES 427361A1 ES 427361 A ES427361 A ES 427361A ES 427361 A ES427361 A ES 427361A ES 427361 A1 ES427361 A1 ES 427361A1
- Authority
- ES
- Spain
- Prior art keywords
- observation
- unit
- centralized
- centrals
- translation
- 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
Links
Landscapes
- Telephonic Communication Services (AREA)
- Selective Calling Equipment (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Abstract
A central unit and unit selector apparatus for centralized observation of the service of a telecommunication network that executes a part of a centralized observation procedure (spanish patent no. 404,395), characterized by performing a centralized control of the observation of subscribers assigned to telephone units of distant centrals; connect to said remote centrals by means of 4 wires, with a maximum of 5 centrals, each of which can be constituted up to 6 units; register, optionally, the information on magnetic tape or pour it directly on a reading device, controlling the recorder; observe interchangeably subscribers of rotary-type or cross-bar stations; transmit and receive all the tones used in a telephone communication, including conversation; simulate, or not, the hanging of the telecontrolled subscriber without affecting the communication; retain, or not, under continuous observation to any remotely controlled subscriber. (Machine-translation by Google Translate, not legally binding)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES427361A ES427361A1 (en) | 1974-06-18 | 1974-06-18 | Selector unit of central and unit for centralized observation of the service of a telecommunication network. (Machine-translation by Google Translate, not legally binding) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES427361A ES427361A1 (en) | 1974-06-18 | 1974-06-18 | Selector unit of central and unit for centralized observation of the service of a telecommunication network. (Machine-translation by Google Translate, not legally binding) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES427361A1 true ES427361A1 (en) | 1976-09-01 |
Family
ID=8466966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES427361A Expired ES427361A1 (en) | 1974-06-18 | 1974-06-18 | Selector unit of central and unit for centralized observation of the service of a telecommunication network. (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES427361A1 (en) |
-
1974
- 1974-06-18 ES ES427361A patent/ES427361A1/en not_active Expired
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69128426D1 (en) | Access arrangement for telemetry | |
| GB1464010A (en) | System and method for reading remotely located meters | |
| ATE300148T1 (en) | METHOD FOR MONITORING AND TESTING CONNECTIONS OF AN ISDN COMMUNICATION NETWORK | |
| KR970704287A (en) | Access device for remote meter reading | |
| ZA792960B (en) | An indirectly controlled telecommunications exchange with time channel connection paths led via time channel couplers,in particular,telephone systems | |
| US2385968A (en) | Telephone exchange system | |
| BE862545A (en) | TELEPHONY AND DATA TRANSMISSION NETWORK FOR MOBILE SUBSCRIBERS | |
| ES427361A1 (en) | Selector unit of central and unit for centralized observation of the service of a telecommunication network. (Machine-translation by Google Translate, not legally binding) | |
| ES430222A1 (en) | Multiplex system for paging terminals and method | |
| PL326386A1 (en) | Method of and apparatus for effecting digital/analog communication | |
| SE7900721L (en) | INDIRECTLY CONTROLLED COMMUNICATION PLANT, SEPARATE FOR TELEPHONE PURPOSE | |
| JPS5429504A (en) | Simultaneous service system for audio and date communication | |
| NL180799B (en) | TELECOMMUNICATIONS SYSTEM FOR THE EXCHANGE OF DATA THROUGH TWO LINE BETWEEN A LOCAL TELEPHONE POST AND A NUMBER OF REMOTE SUBSCRIBERS. | |
| JPS57183170A (en) | Time correspondence transfer system | |
| CA609908A (en) | Tone controlled telephone answering device | |
| JPS5545299A (en) | Loudspeaker telephone circuit device controlled by voice for communication facility such as telephone facility | |
| SE7808777L (en) | PROCEDURE FOR RING ROOM SUPPLY IN CENTRALLY CONTROLLED TELECOMMUNICATIONS SYSTEMS, IN PARTICULAR TELEPHONE COMMUNICATION SYSTEMS | |
| JPS56128060A (en) | Calling device | |
| JPS54159111A (en) | Recording system of caller number during absence | |
| JPS5616390A (en) | Connecting system for subscriber circuit | |
| JPS573465A (en) | Retrieval system for telephone line network crossing state | |
| JPS5351904A (en) | Subscriber circuit system both for telephone and data | |
| ES427410A1 (en) | Reading apparatus for direct or centralized observation of the service of an automated telecommunication network. (Machine-translation by Google Translate, not legally binding) | |
| FR1065874A (en) | Subscriber call dial for automatic telephone network | |
| FR2279286A1 (en) | Maintenance of communications network - by computer controlled sequential monitoring and testing of subscriber lines |