JPS5416104A - Modem having automatic port relocating device - Google Patents
Modem having automatic port relocating deviceInfo
- Publication number
- JPS5416104A JPS5416104A JP5612878A JP5612878A JPS5416104A JP S5416104 A JPS5416104 A JP S5416104A JP 5612878 A JP5612878 A JP 5612878A JP 5612878 A JP5612878 A JP 5612878A JP S5416104 A JPS5416104 A JP S5416104A
- Authority
- JP
- Japan
- Prior art keywords
- modem
- relocating device
- automatic port
- automatic
- port
- 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.)
- Granted
Links
Classifications
-
- 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
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1438—Negotiation of transmission parameters prior to communication
- H04L5/1446—Negotiation of transmission parameters prior to communication of transmission speed
-
- 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
- H04J3/1682—Allocation of channels according to the instantaneous demands of the users, e.g. concentrated multiplexers, statistical multiplexers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Communication Control (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US79587677A | 1977-05-11 | 1977-05-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5416104A true JPS5416104A (en) | 1979-02-06 |
JPH0130335B2 JPH0130335B2 (en) | 1989-06-19 |
Family
ID=25166679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5612878A Granted JPS5416104A (en) | 1977-05-11 | 1978-05-11 | Modem having automatic port relocating device |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5416104A (en) |
BE (1) | BE866968A (en) |
CA (1) | CA1145489A (en) |
CH (1) | CH641919A5 (en) |
DE (1) | DE2820574C2 (en) |
FR (1) | FR2390861A1 (en) |
GB (1) | GB1604484A (en) |
SE (1) | SE437317B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60143043A (en) * | 1983-12-29 | 1985-07-29 | Nec Corp | Data multiplex system |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4322845A (en) * | 1979-09-28 | 1982-03-30 | Ibm Corporation | Demand assignment technique for TDMA satellite communication network |
US4397018A (en) | 1979-10-17 | 1983-08-02 | Ibm Corporation | Baton passing method and apparatus for maintaining synchronization in a TDMA satellite communication system |
DE19536025C1 (en) * | 1995-09-27 | 1997-02-20 | Siemens Ag | Time multiplex data transmission system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS515244A (en) * | 1974-07-04 | 1976-01-16 | Nisshin Steel Co Ltd | MARUTENSAI TOKEISUTEN RESUBERUTONO YOKABOOMOCHIINAI YOSETSUHOHO |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3700820A (en) * | 1966-04-15 | 1972-10-24 | Ibm | Adaptive digital communication system |
DE1946694A1 (en) * | 1969-09-15 | 1971-03-25 | Siemens Ag | Method for data transmission with subscribers of different speed classes |
US3790715A (en) * | 1972-07-28 | 1974-02-05 | Bell Telephone Labor Inc | Digital transmission terminal for voice and low speed data |
US3851104A (en) * | 1973-04-11 | 1974-11-26 | Mitre Corp | Digital communications system |
DE2419853C2 (en) * | 1974-04-24 | 1976-01-02 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Circuit arrangement for controlling several channel circuits of a time division multiplex data transmission system |
US3982077A (en) * | 1975-04-07 | 1976-09-21 | International Telephone And Telegraph Corporation | Asynchronous multiplexer and demultiplexer combination |
-
1978
- 1978-05-10 CA CA000303072A patent/CA1145489A/en not_active Expired
- 1978-05-10 GB GB18735/78A patent/GB1604484A/en not_active Expired
- 1978-05-10 SE SE7805350A patent/SE437317B/en not_active IP Right Cessation
- 1978-05-11 CH CH512378A patent/CH641919A5/en not_active IP Right Cessation
- 1978-05-11 BE BE187613A patent/BE866968A/en not_active IP Right Cessation
- 1978-05-11 FR FR7814025A patent/FR2390861A1/en active Granted
- 1978-05-11 JP JP5612878A patent/JPS5416104A/en active Granted
- 1978-05-11 DE DE2820574A patent/DE2820574C2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS515244A (en) * | 1974-07-04 | 1976-01-16 | Nisshin Steel Co Ltd | MARUTENSAI TOKEISUTEN RESUBERUTONO YOKABOOMOCHIINAI YOSETSUHOHO |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60143043A (en) * | 1983-12-29 | 1985-07-29 | Nec Corp | Data multiplex system |
Also Published As
Publication number | Publication date |
---|---|
DE2820574A1 (en) | 1978-11-16 |
CA1145489A (en) | 1983-04-26 |
FR2390861B1 (en) | 1983-09-23 |
GB1604484A (en) | 1981-12-09 |
SE7805350L (en) | 1978-11-13 |
CH641919A5 (en) | 1984-03-15 |
BE866968A (en) | 1978-09-01 |
DE2820574C2 (en) | 1987-04-16 |
SE437317B (en) | 1985-02-18 |
JPH0130335B2 (en) | 1989-06-19 |
FR2390861A1 (en) | 1978-12-08 |
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