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- Newsgroups: comp.dcom.modems
- Path: sparky!uunet!wupost!csus.edu!netcom.com!wolfgang
- From: wolfgang@netcom.com (Wolfgang Henke)
- Subject: Re: What IS v.32,v.42(bis) etc?
- Message-ID: <1993Jan8.184730.21509@netcom.com>
- Organization: Netcom
- X-Newsreader: Tin 1.1 PL5
- References: <1993Jan8.100503.20815@fel.tno.nl>
- Date: Fri, 8 Jan 1993 18:47:30 GMT
- Lines: 241
-
- Maarten Landzaat (qb7g6@fel.tno.nl) wrote:
- : Can anybody please enlighten me on those v.32 etc. codes? I presume
- : they're names of standards, but I'd like to know a little more detail.
- : Do they have a one to one relation with baudrate?
-
- Here is the list again, which someone posted earlier to this group:
-
-
- From: mskuhn@immd4.informatik.uni-erlangen.de (Markus Kuhn)
- Newsgroups: comp.dcom.modems
- Subject: List of CCITT V-series recommendations (Oct 92)
- Keywords: standards, modems, ccitt, modulation, itu
- Organization: CSD., University of Erlangen, Germany
- Lines: 221
-
- I retrieved this list from the new ITU mail server in Geneva and
- hope you'll consider it useful. You'll find more info about the ITU server
- in ftp.uni-erlangen.de:pub/doc/ccitt.
-
- Markus
-
- ----------------------------------------------------------------------
-
- List of Series V CCITT Recommendations currently in force
-
- Rec. No. Title Ver. Adop.
-
-
- - Series V
- V.1 Equivalence between binary notation symbols and (B) 1988
- the significant conditions of a two-condition
- code
-
- V.2 Power levels for data transmission over (B) 1988
- telephone lines
-
- V.4 General structure of signals of international (B) 1988
- alphabet No. 5 code for character oriented data
- transmission over public telephone networks
-
- V.5 Standardization of data signalling rates for (B) 1988
- synchronous data transmission in the general
- switched telephone network
-
- V.6 Standardization of data signalling rates for (B) 1988
- synchronous data transmission on leased
- telephone-type circuits
-
- V.7 Definitions of terms concerning data (B) 1988
- communication over the telephone network
-
- V.10 Electrical characteristics for unbalanced (B) 1988
- double-current interchange circuits for general
- use with integrated circuit equipment in the
- field of data communications
-
- V.11 Electrical characteristics for balanced (B) 1988
- double-current interchange circuits for general
- use with integrated circuit equipment in the
- field of data communications
-
- V.13 Simulated carrier control (B) 1988
-
- V.14 Transmission of start-stop characters over (B) 1988
- synchronous bearer channels
-
- V.15 Use of acoustic coupling for data transmission (B) 1988
-
- V.16 Medical analogue data transmission modems (B) 1988
-
- V.17 A 2-wire modem for facsimile applications with N 02/91
- rates up to 14 400 bit/s
-
- V.19 Modems for parallel data transmission using (B) 1988
- telephone signalling frequencies
-
- V.20 Parallel data transmission modems standardized (B) 1988
- for universal use in the general switched
- telephone network
-
- V.21 300 bits per second duplex modem standardized (B) 1988
- for use in the general switched telephone
- network
-
- V.22 1200 bits per second duplex modem standardized (B) 1988
- for use in the general switched telephone
- network and on point-to-point 2-wire leased
- telephone-type circuits
-
- V.22 bis 2400 bits per second duplex modem using the (B) 1988
- frequency division technique standardized for
- use on the general switched telephone network
- and on point-to-point 2-wire leased
- telephone-type circuits
-
- V.23 600/1200-baud modem standardized for use in the (B) 1988
- general switched telephone network
-
- V.24 List of definitions for interchange circuits (B) 1988
- between data terminal equipment (DTE) and data
- circuit-terminating equipment (DCE)
-
- V.25 Automatic answering equipment and/or parallel (B) 1988
- automatic calling equipment on the general
- switched telephone network including procedures
- for disabling of echo control devices for both
- manually and automatically established calls
-
- V.25 bis Automatic calling and/or answering equipment on (B) 1988
- the general switched telephone network (GSTN)
- using the 100-series interchange circuits
-
- V.26 2400 bits per second modem standardized for use (B) 1988
- on 4-wire leased telephone-type circuits
-
- V.26 bis 2400/1200 bits per second modem standardized (B) 1988
- for use in the general switched telephone
- network
-
- V.26 ter 2400 bits per second duplex modem using the (B) 1988
- echo cancellation technique standardized for
- use on the general switched telephone network
- and on point-to-point 2-wire leased
- telephone-type circuits
-
- V.27 4800 bits per second modem with manual (B) 1988
- equalizer standardized for use on leased
- telephone-type circuits
-
- V.27 bis 4800/2400 bits per second modem with automatic (B) 1988
- equalizer standardized for use on leased
- telephone-type circuits
-
- V.27 ter 4800/2400 bits per second modem standardized (B) 1988
- for use in the general switched telephone
- network
-
- V.28 Electrical characteristics for unbalanced (B) 1988
- double-current interchange circuits
-
- V.29 9600 bits per second modem standardized for use (B) 1988
- on point-to-point 4-wire leased telephone-type
- circuits
-
- V.31 Electrical characteristics for single-current (B) 1988
- interchange circuits controlled by contact
- closure
-
- V.31 bis Electrical characteristics for single-current (B) 1988
- interchange circuits using optocouplers
-
- V.32 A family of 2-wire, duplex modems operating at (B) 1988
- data signalling rates of up to 9600 bit/s for
- use on the general switched telephone network
- and on leased telephone-type circuits
-
- V.32 bis A duplex modem operating at data signalling N 02/91
- rates of up to 14 400 bit/s for use on the
- general switched telephone network and on
- leased point-to-point 2-wire telephone-type
- circuits
-
- V.33 14 400 bits per second modem standardized for (B) 1988
- use on point-to-point 4-wire leased
- telephone-type circuits
-
- V.35 Data transmission at 48 kbit/s using 60-108 kHz (B) 1988
- group band circuits
-
- V.36 Modems for synchronous data transmission using (B) 1988
- 60-108 kHz group band circuits
-
- V.37 Synchronous data transmission at a data (B) 1988
- signalling rate higher than 72 kbit/s using
- 60-108 kHz group band circuits
-
- V.40 Error indication with electromechanical (B) 1988
- equipment
-
- V.41 Code-independent error-control system (B) 1988
-
- V.42 Error-correcting procedures for DCES using (B) 1988
- asynchronous-to-synchronous conversion
-
- V.42 bis Data compression procedures for data circuit N 01/90
- terminating equipment (DCE) using error
- correcting procedures
-
- V.50 Standard limits for transmission quality of (B) 1988
- data transmission
-
- V.51 Organization of the maintenance of (B) 1988
- international telephone-type circuits used for
- data transmission
-
- V.52 Characteristics of distortion and error-rate (B) 1988
- measuring apparatus for data transmission
-
- V.53 Limits for the maintenance of telephone-type (B) 1988
- circuits used for data transmission
-
- V.54 Loop test devices for modems (B) 1988
-
- V.55 Specification for an impulsive noise measuring (B) 1988
- instrument for telephone-type circuits
-
- V.56 Comparative tests of modems for use over (B) 1988
- telephone-type circuits
-
- V.57 Comprehensive data test set for high data (B) 1988
- signalling rates
-
- V.100 Interconnection between public data networks (B) 1988
- (PDNs) and the public switched telephone
- networks (PSTN)
-
- V.110 Support of data terminal equipments (DTEs) with R1 09/92
- V-series type interfaces by an integrated
- services digital network (ISDN)
-
- V.120 Support by an ISDN of data terminal equipment R1 09/92
- with V-series type interfaces with provision
- for statistical multiplexing
-
- V.230 General data communications interface layer 1 (B) 1988
- specification
-
-
- Date of last update: 13 Oct 1992
-
- ----------------------------------------------------------------------
-
- --
- Markus Kuhn, Computer Science student -=-=- University of Erlangen, Germany
- Internet: mskuhn@immd4.informatik.uni-erlangen.de | X.500 entry available
- --- Wer, wie, was? Wieso, weshalb, warum? Wer nichts fragt bleibt dumm. ---
-
- --
- _________________________________________________________________________
- Wolfgang Henke Data lanes not car pool lanes wolfgang@netcom.com
-
-