| File | Size | Date | Recommendation title |
|---|---|---|---|
| R0002E.ZIP | 21KB | 06/64 |
R.2 - Element error rate |
| R0004E.ZIP | 21KB | 11/80 |
R.4 - Methods for the separate measurements of the degrees of various types of telegraph distortion |
| R0005E.ZIP | 21KB | 03/93 |
R.5 - Observation conditions recommended for routine distortion measurements on international telegraph circuits |
| R0009E.ZIP | 21KB | 03/93 |
R.9 - How the laws governing distribution of distortion should be arrived at |
| R0011E.ZIP | 22KB | 03/93 |
R.11 - Calculation of the degree of distortion of a telegraph circuit in terms of the degrees of distortion of the component links |
| R0020E.ZIP | 45KB | 11/88 |
R.20 - Telegraph modem for subscriber lines |
| R0021E.ZIP | 49KB | 08/96 |
R.21 - 9600 bit/s modem standardized for use in the telegraph TDM system |
| R0022E.ZIP | 27KB | 08/96 |
R.22 - Data over voice 19 200 bit/s modem standarized for use on telephone network subscriber lines |
| R0030E.ZIP | 21KB | 10/76 |
R.30 - Transmission characteristic for international VFT links |
| R0031E.ZIP | 44KB | 10/84 |
R.31 - Standardization of AMVFT systems for a modulation rate of 50 bauds |
| R0035-bE.ZIP | 21KB | 06/64 |
R.35 bis - 50-baud wideband VFT systems |
| R0035E.ZIP | 71KB | 11/88 |
R.35 - Standardization of FMVFT systems for a modulation rate of 50 bauds |
| R0036E.ZIP | 22KB | 11/80 |
R.36 - Coexistence of 50-baud/120-Hz channels, 100-baud/240-Hz channels, 200-baud/360-Hz or 480-Hz channels on the same voice-frequency telegraph system |
| R0037E.ZIP | 58KB | 11/88 |
R.37 - Standardization of FMVFT systems for a modulation rate of 100 bauds |
| R0038aE.ZIP | 26KB | 11/88 |
R.38 A - Standardization of FMVFT system for a modulation rate of 200 bauds with channels spaced at 480 Hz |
| R0038bE.ZIP | 25KB | 10/84 |
R.38 B - Standardization of FMVFT systems for a modulation rate of 200 bauds with channels spaced at 360 Hz usable on long intercontinental bearer circuits generally used with a 3-kHz spacing |
| R0039E.ZIP | 22KB | 11/88 |
R.39 - Voice-frequency telegraphy on radio circuits |
| R0040E.ZIP | 20KB | 11/88 |
R.40 - Coexistence in the same cable of telephony and super-telephone telegraphy |
| R0043E.ZIP | 21KB | 11/88 |
R.43 - Simultaneous communication by telephone and telegraph on a telephone-type circuit |
| R0044E.ZIP | 35KB | 11/88 |
R.44 - 6-unit synchronous time-division 2-3-channel multiplex telegraph system for use over FMVFT channels spaced at 120 Hz for connection to standardized teleprinter networks |
| R0049E.ZIP | 22KB | 12/60 |
R.49 - Interband telegraphy over open-wire 3-channel carrier systems |
| R0050E.ZIP | 21KB | 11/80 |
R.50 - Tolerable limits for the degree of isochronous distortion of code-independent 50-baud telegraph circuits |
| R0051-bE.ZIP | 32KB | 11/88 |
R.51 bis - Standardized text for testing the elements of a complete circuit |
| R0051E.ZIP | 27KB | 11/88 |
R.51 - Standardized text for distortion testing of the code-independent elements of a complete circuit |
| R0052E.ZIP | 21KB | 12/72 |
R.52 - Standardization of international texts for the measurement of the margin of start-stop equipment |
| R0053E.ZIP | 22KB | 10/84 |
R.53 - Permissible limits for the degree of distortion on an international 50-baud/120-Hz VFT channel (frequency and amplitude modulation) |
| R0054E.ZIP | 21KB | 03/93 |
R.54 - Conventional degree of distortion tolerable for standardized start-stop 50-baud systems |
| R0055E.ZIP | 20KB | 03/93 |
R.55 - Conventional degree of distortion |
| R0056E.ZIP | 20KB | 03/93 |
R.56 - Telegraph distortion limits to be quoted in Recommendations for equipment and transmission plans |
| R0057E.ZIP | 22KB | 11/88 |
R.57 - Standard limits of transmission quality for planning code-independent international point-to-point telegraph communications and switched networks using 50-baud start-stop equipment |
| R0058-bE.ZIP | 22KB | 10/84 |
R.58 bis - Limits on signal transfer delay for telegraph, telex and gentex networks |
| R0058E.ZIP | 34KB | 06/64 |
R.58 - Standard limits of transmission quality for the gentex and telex networks |
| R0059E.ZIP | 21KB | 10/84 |
R.59 - Interface requirements for 50-baud start-stop telegraph transmission in the maritime mobile satellite service |
| R0060E.ZIP | 20KB | 10/84 |
R.60 - Conditions to be fulfilled by regenerative repeaters for start-stop signals of International Telegraph Alphabet No. 2 |
| R0062E.ZIP | 21KB | 10/84 |
R.62 - Siting of regenerative repeaters in international telex circuits |
| R0070-bE.ZIP | 67KB | 10/68 |
R.70 bis - Numbering of international VFT channels |
| R0070E.ZIP | 21KB | 10/84 |
R.70 - Designation of international telegraph circuits |
| R0071E.ZIP | 22KB | 12/56 |
R.71 - Organization of the maintenance of international telegraph circuits |
| R0072E.ZIP | 20KB | 06/64 |
R.72 - Periodicity of maintenance measurements to be carried out on the channels of international VFT systems |
| R0073E.ZIP | 22KB | 10/84 |
R.73 - Maintenance measurements to be carried out on VFT systems |
| R0074E.ZIP | 20KB | 11/80 |
R.74 - Choice of type of telegraph distortion-measuring equipment |
| R0075-bE.ZIP | 21KB | 10/84 |
R.75 bis - Maintenance measurements of character error rate on international sections of international telegraph circuits |
| R0075E.ZIP | 22KB | 10/84 |
R.75 - Maintenance measurements on code-independent international sections of international telegraph circuits |
| R0076E.ZIP | 20KB | 06/64 |
R.76 - Reserve channels for maintenance measurements on channels of international VFT systems |
| R0077E.ZIP | 66KB | 10/68 |
R.77 - Use of bearer circuits for voice-frequency telegraphy |
| R0078E.ZIP | 20KB | 12/60 |
R.78 - Pilot channel for AMVFT systems |
| R0079E.ZIP | 112KB | 11/88 |
R.79 - Automatic tests of transmission quality on telegraph circuits between switching centres |
| R0080E.ZIP | 22KB | 06/64 |
R.80 - Causes of disturbances to signals in VFT channels and their effect on telegraph distortion |
| R0081E.ZIP | 20KB | 10/51 |
R.81 - Maximum acceptable limit for the duration of interruption of telegraph channels arising from failure of the normal power supplies |
| R0082E.ZIP | 22KB | 06/64 |
R.82 - Appearance of false calling and clearing signals in circuits operated by switched teleprinter services |
| R0083E.ZIP | 21KB | 06/64 |
R.83 - Changes of level and interruptions in VFT channels |
| R0090E.ZIP | 41KB | 10/84 |
R.90 - Organization for locating and clearing faults in international telegraph switched networks |
| R0091E.ZIP | 21KB | 10/84 |
R.91 - General maintenance aspects for the maritime satellite telex service |
| R0100E.ZIP | 34KB | 03/93 |
R.100 - Transmission characteristics of international TDM links |
| R0101E.ZIP | 65KB | 03/93 |
R.101 - Code and speed dependent TDM system for anisochronous telegraph and data transmission using bit interleaving |
| R0102E.ZIP | 51KB | 03/93 |
R.102 - 4800 bit/s code and speed dependent and hybrid TDM systems for anisochronous telegraph and data transmission using bit interleaving |
| R0103E.ZIP | 42KB | 11/88 |
R.103 - Code and speed-dependent TDM 600 bit/s system for use in point-to-point or branch-line muldex configurations |
| R0105E.ZIP | 26KB | 03/93 |
R.105 - Duplex muldex concentrator, connecting a group of gentex and telex subscribers to a telegraph exchange by assigning virtual channels to time slots of a bit-interleaved TDM system |
| R0106E.ZIP | 40KB | 08/95 |
R.106 - Muldex unit for telegraph and low speed data transmission using TDM bit interleaving with an aggregate bit rate higher than 4800 bit/s |
| R0111E.ZIP | 45KB | 03/93 |
R.111 - Code and speed independent TDM system for anisochronous telegraph and data transmission |
| R0112E.ZIP | 27KB | 03/93 |
R.112 - TDM hybrid system for anisochronous telegraph and data transmission using bit interleaving |
| R0113E.ZIP | 33KB | 03/93 |
R.113 - Combined muldex for telegraphy and synchronous data transmission |
| R0114E.ZIP | 23KB | 03/93 |
R.114 - Numbering of international TDM channels |
| R0115E.ZIP | 63KB | 03/93 |
R.115 - Maintenance loops for TDM-systems |
| R0116E.ZIP | 25KB | 11/88 |
R.116 - Maintenance tests to be carried out on international TDM systems |
| R0117E.ZIP | 27KB | 03/93 |
R.117 - End-to-end error performance of telegraph, telex and gentex connections involving regenerative equipment |
| R0118E.ZIP | 21KB | 03/93 |
R.118 - Performance and availability monitoring in regenerative TDM |
| R0120E.ZIP | 21KB | 11/80 |
R.120 - Tolerable limits for the degree of isochronous distortion of code-independent telegraph circuits operating at modulation rates of 75, 100 and 200 bauds |
| R0121E.ZIP | 22KB | 10/76 |
R.121 - Standard limits of transmission quality for start-stop user classes of service 1 and 2 on anisochronous data networks |
| R0122E.ZIP | 196KB | 11/88 |
R.122 - Summary of transmission plans for rates up to 300 bauds |
| R0140E.ZIP | 49KB | 11/88 |
R.140 - Definitions of essential technical terms in the field of telegraph transmission |
| R0150E.ZIP | 53KB | 11/88 |
R.150 - Automatic protection switching of dual diversity bearers |
Last modified: 23 oct 1998 by Electronic Publishing Service