ZA735595B - Improvements in or relating to t.d.m.exchange systems - Google Patents
Improvements in or relating to t.d.m.exchange systemsInfo
- Publication number
- ZA735595B ZA735595B ZA735595A ZA735595A ZA735595B ZA 735595 B ZA735595 B ZA 735595B ZA 735595 A ZA735595 A ZA 735595A ZA 735595 A ZA735595 A ZA 735595A ZA 735595 B ZA735595 B ZA 735595B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- exchange systems
- exchange
- systems
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1623—Plesiochronous digital hierarchy [PDH]
- H04J3/1647—Subrate or multislot multiplexing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/12—Arrangements providing for calling or supervisory signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/22—Arrangements affording multiple use of the transmission path using time-division multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2241636A DE2241636A1 (en) | 1972-08-25 | 1972-08-25 | SIGNALING PROCEDURE IN TIME MULTIPLEX SWITCHING SYSTEMS |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA735595B true ZA735595B (en) | 1974-07-31 |
Family
ID=5854421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA735595A ZA735595B (en) | 1972-08-25 | 1973-08-15 | Improvements in or relating to t.d.m.exchange systems |
Country Status (10)
Country | Link |
---|---|
BE (1) | BE804010A (en) |
BR (1) | BR7306564D0 (en) |
CA (1) | CA1037169A (en) |
CH (1) | CH557120A (en) |
DE (1) | DE2241636A1 (en) |
FR (1) | FR2197292B1 (en) |
GB (1) | GB1432168A (en) |
IT (1) | IT1030560B (en) |
NL (1) | NL7311398A (en) |
ZA (1) | ZA735595B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0064120B1 (en) * | 1981-04-30 | 1987-08-26 | International Business Machines Corporation | Process to determine the configuration of the active channels in a multiflex communication system, and device therefor |
GB8618424D0 (en) * | 1986-07-29 | 1986-09-03 | Leslie I M | Data rate channel for digital network |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE635144A (en) * | 1962-07-19 | |||
FR1513888A (en) * | 1966-06-27 | 1968-02-16 | Nippon Telegraph & Telephone | Communication network |
US3639693A (en) * | 1968-11-22 | 1972-02-01 | Stromberg Carlson Corp | Time division multiplex data switch |
DE1947262C3 (en) * | 1969-09-18 | 1973-11-15 | Siemens Ag | Method for data transmission between two participants in a data network |
US3668645A (en) * | 1970-05-25 | 1972-06-06 | Gen Datacomm Ind Inc | Programable asynchronous data buffer having means to transmit error protected channel control signals |
US3699525A (en) * | 1970-11-27 | 1972-10-17 | Honeywell Inf Systems | Use of control words to change configuration and operating mode of a data communication system |
US3705267A (en) * | 1971-09-03 | 1972-12-05 | Bell Telephone Labor Inc | Supervisory circuit for monitoring the formation and termination of interconnections in a time-division switch |
-
1972
- 1972-08-25 DE DE2241636A patent/DE2241636A1/en active Pending
-
1973
- 1973-06-13 CH CH856073A patent/CH557120A/en not_active IP Right Cessation
- 1973-07-10 FR FR7325279A patent/FR2197292B1/fr not_active Expired
- 1973-07-24 GB GB3517573A patent/GB1432168A/en not_active Expired
- 1973-08-14 CA CA178,750A patent/CA1037169A/en not_active Expired
- 1973-08-15 ZA ZA735595A patent/ZA735595B/en unknown
- 1973-08-17 NL NL7311398A patent/NL7311398A/xx not_active Application Discontinuation
- 1973-08-24 BR BR6564/73A patent/BR7306564D0/en unknown
- 1973-08-24 IT IT28146/73A patent/IT1030560B/en active
- 1973-08-24 BE BE134923A patent/BE804010A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CA1037169A (en) | 1978-08-22 |
NL7311398A (en) | 1974-02-27 |
BR7306564D0 (en) | 1974-07-11 |
FR2197292A1 (en) | 1974-03-22 |
AU5933373A (en) | 1975-02-20 |
BE804010A (en) | 1974-02-25 |
FR2197292B1 (en) | 1977-09-09 |
GB1432168A (en) | 1976-04-14 |
CH557120A (en) | 1974-12-13 |
DE2241636A1 (en) | 1974-03-07 |
IT1030560B (en) | 1979-04-10 |
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