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four-wire system

four-wire system, Total:166 items.

In the international standard classification, four-wire system involves: Telecommunication systems, Woodworking equipment, Telecommunication terminal equipment, Radiocommunications, Interface and interconnection equipment, Components and accessories for telecommunications equipment, Telecommunications in general, Fluid power systems, Audio, video and audiovisual engineering, Electronic component assemblies, Aerospace electric equipment and systems, IT terminal and other peripheral equipment, Materials for aerospace construction, Printed circuits and boards, Aerospace fluid systems and components, Mobile services.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, four-wire system

GB/T 7624-1987 2400 bits per second modem standardized for use on 4 wire leased telephone-type circuits
GB/T 14373-1993 Specifications of 46 channels TDM equipment operating on 4 line telephone-type circuit
GB/T 13137-1991 Specification for 12-channel telephone carrier terminal equipment used on the symmetric pains of 2.6/9.5mm coaxial cable
GB 13137-1991 2.6/9.5 mm integrated coaxial cable high-frequency four-core group or high-frequency line pair 12-way carrier telephone terminal equipment technical conditions
GB/T 7621-1987 1200 bits per second duplex modem standardized for use in the general switched telephone network and on point-to-point 2-wire leased telephone circuits
GB/T 13858.2-1992 Technical conditions for 300-channel telephone modulator and demodulator for medium-distance ground analog radio relay system

Military Standard of the People's Republic of China-General Armament Department, four-wire system

GJB 146.9-1987 9600 bit/second modem for use on four-wire point-to-point dedicated telephone type circuits
GJB 146.5-1986 1200 bit/second duplex modem for use on ordinary switched telephone networks and point-to-point two-wire private telephone type circuits
GJB 687.1-1989 General technical requirements for data modems Power levels on telephone lines
GJB 146.7-1987 A 2400 bit/second duplex modem implemented using frequency division technology used on ordinary switched telephone networks and point-to-point two-line dedicated telephone type circuits
GJB 146.10-1987 9600 bit/second duplex modem implemented with echo cancellation technology for use on ordinary switched telephone networks and point-to-point two-wire dedicated telephone type circuits
GJB 146.8-1987 A 2400 bit/second duplex modem using echo cancellation technology used on ordinary switched telephone networks and point-to-point two-wire dedicated telephone type circuits

International Telecommunication Union (ITU), four-wire system

ITU-T V.29-1988 9600 BITS PER SECOND MODEM STANDARDIZED FOR USE ON POINT-TO-POINT 4-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.26-1988 2400 BITS PER SECOND MODEM STANDARDIZED FOR USE ON 4-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.33-1988 14 400 BITS PER SECOND MODEM STANDARDIZED FOR USE ON POINT-TO-POINT 4-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T R.22-1996 Data over Voice 19 200 bit/s Modem Standardized for Use on Telephone Network Subscriber Lines - Series R: Telegraph Transmission Voice-Frequency Telegraphy Study Group 14; 9 pp
ITU-T V.56 FRENCH-1988 COMPARATIVE TESTS OF MODEMS FOR USE OVER TELEPHONE-TYPE CIRCUITS
ITU-T V.56 SPANISH-1988 COMPARATIVE TESTS OF MODEMS FOR USE OVER TELEPHONE-TYPE CIRCUITS
ITU-T V.61 CORR 1-2005 A simultaneous voice plus data modem operating at a voice plus data signalling rate of 4800 bit/s with optional automatic switching to data-only signalling rates of up to 14 400 bit/s for use on the General Switched Telephone Network and on leased point-t
ITU-T V.61-1996 Simultaneous Voice Plus Data Modem Operating at a Voice Plus Data Signalling Rate of 4800 Bit/s with Optional Automatic Switching to Data-Only Signalling Rates of up to 14 400 Bit/s for Use on the General Switched Telephone Network and on Leased Point-to-
ITU-T V.29 FRENCH-1988 9600 BITS PER SECOND MODEM STANDARDIZED FOR USE ON POINT-TO-POINT 4-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.29 SPANISH-1988 9600 BITS PER SECOND MODEM STANDARDIZED FOR USE ON POINT-TO-POINT 4-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.33 FRENCH-1988 14 400 BITS PER SECOND MODEM STANDARDIZED FOR USE ON POINT-TO-POINT 4-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.33 SPANISH-1988 14 400 BITS PER SECOND MODEM STANDARDIZED FOR USE ON POINT-TO-POINT 4-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.26 FRENCH-1988 2400 BITS PER SECOND MODEM STANDARDIZED FOR USE ON 4-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.26 SPANISH-1988 2400 BITS PER SECOND MODEM STANDARDIZED FOR USE ON 4-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.22-1988 1200 BITS PER SECOND DUPLEX MODEM STANDARDIZED FOR USE IN THE GENERAL SWITCHED TELEPHONE NETWORKAND ON POINT-TO-POINT 2-WIRELEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.26 TER-1988 2400 BITS PER SECOND DUPLEX MODEM USING THE ECHO CANCELLATION TECHNIQUE STANDARDIZED FOR USE ON THE GENERAL SWITCHED TELEPHONE NETWORK AND ON POINT-TO-POINT 2-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.32-1993 Family of 2-Wire Duplex Modems Operating at Data Signalling Rates of up to 9600 bit/s for Use on the General Switched Telephone Network and on Leased Telephone-Type Circuits - Study Group XVII) 26 pp
ITU-T V.56 BIS-1995 Network Transmission Model for Evaluating Modem Performance over 2-Wire Voice Grade Connections - Data Communication over the Telephone Network (Study Group 14) 65 pp
ITU-T V.34-1998 A Modem Operating at Data Signalling Rates of up to 33 600 bit/s for Use on the General Switched Telephone Network and on Leased Point-to-Point 2-Wire Telephone-Type Circuits - Series V: Data Communication over the Telephone Network - Interfaces and Voice
ITU-T V.22 BIS FRENCH-1988 2400 BITS PER SECOND DUPLEX MODEM USING THE FREQUENCY DIVISION TECHNIQUE STANDARDIZED FOR USE ON THE GENERAL SWITCHED TELEPHONE NETWORK AND ON POINT-TO-POINT 2-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.22 FRENCH-1988 1200 BITS PER SECOND DUPLEX MODEM STANDARDIZED FOR üSE IN THE GENERAL SWITCHED TELEPHONE NETWORK AND ON POIYT-TO-POINT 2-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.22 SPANISH-1988 1200 BITS PER SECOND DUPLEX MODEM STANDARDIZED FOR üSE IN THE GENERAL SWITCHED TELEPHONE NETWORK AND ON POIYT-TO-POINT 2-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.32 BIS FRENCH-1991 A DUPLEX MODEM OPERATING AT DATA SIGNALLING 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
ITU-T V.32 BIS SPANISH-1991 A DUPLEX MODEM OPERATING AT DATA SIGNALLING 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
ITU-T V.32 FRENCH-1993 A FAMILY OF 2-WIRE, DUPLEX MODEMS OPERATING AT DATA SIGNALLING RATES OF UP TO 9600 bit/s FOR USE ON THE GENERAL SWITCHED TELEPHONE NETWORK AND ON LEASED TELEPHONE-TYPE CIRCUITS
ITU-T V.22 BIS-1988 2400 BITS PER SECOND DUPLEX MODEM USING THE FREQUENCY DIVISION TECHNIQUE STANDARDIZED FOR USE ON THE GENERAL SWITCHED TELEPHONE NETWORK AND ON POINT-TO-POINT 2-WIRE LEASED TELEPHONE-TYPE CIRCUITS
ITU-T M.723-1989 Circuit Control Station - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 2 pp
ITU-T M.725-1989 Restoration Control Point - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 2 pp
ITU-T V.34 FRENCH-1998 A modem operating at data signalling rates of up to 33 600 bitls for use on the general switched telephone network and on leased point-to-point 2-wire telephone-type circuits
ITU-T V.34 SPANISH-1998 A modem operating at data signalling rates of up to 33 600 bitls for use on the general switched telephone network and on leased point-to-point 2-wire telephone-type circuits
ITU-T G.136 SPANISH-1999 Application Rules for Automatic Control Devices - Series G: Transmission Systems and Media Digital Systems and Networks International Telephone Connections and Circuits - General Characteristics of the 4-Wire Chain Formed by the International Circuits and
ITU-T V.32BIS-1991 A duplex modem operating at data signalling rates of up to 14400 bit/s for use on the general switched telephone network and on leased point-to-point 2-wire telephone-type circuits
ITU-T V.26TER-1988 2400 bits per second duplex modem using the echo cancellation technique standardized for use on the general switched telephone network and on point-to-point 2-wire leased telephone-type circuits
ITU-T M.35-1988 PRINCIPLES CONCERNING LINE-UP AND MAINTENANCE LIMITS
ITU-T M.90-1989 Sub-Control Stations - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 3 pp
ITU-T M.500-1988 Routine Maintenance Measurements to Be Made on Regulated Line Sections - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits
ITU-T M.500 FRENCH-1988 Routine maintenance measurements to be made on regulated line sections
ITU-T M.500 SPANISH-1988 Routine maintenance measurements to be made on regulated line sections
ITU-T V.61 FRENCH-1996 A SIMULTANEOUS VOICE PLUS DATA MODEM, OPERATING AT A VOICE PLUS DATA SIGNALLING RATE OF 4800 bit/s, WITH OPTIONAL AUTOMATIC SWITCHING TO DATA-ONLY SIGNALLING RATES OF UP TO 14 400 bit/s, FOR USE ON THE GENERAL SWITCHED TELEPHONE NETWORK AND ON LEASED POIN
ITU-T M.80-1989 Control Stations - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 3 pp
ITU-T G.136 FRENCH-1999 Application Rules for Automatic Control Devices - Series G: Transmission Systems and Media Digital Systems and Networks International Telephone Connections and Circuits - General Characteristics of the 4-Wire Chain Formed by the International Circuits and
ITU-T G.142-1998 Transmission Characteristics of Exchanges Study Group 12
ITU-T M.125-1989 Digital Loopback Mechanisms - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 5 pp
ITU-T M.550-1989 Performance Limits for Bringing into Service and Maintenance of Digital Paths, Sections, and Line Sections - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits Study Group IV; 15 pp
ITU-T M.630-1989 Maintenance of Circuits Using Control Chart Methods - General Maintenance Principles - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 1 pp
ITU-T P.835 FRENCH-2003 Subjective test methodology for evaluating speech communication systems that include noise suppression algorithm
ITU-T P.835 SPANISH-2003 Subjective test methodology for evaluating speech communication systems that include noise suppression algorithm
ITU-T V.56 BIS FRENCH-1995 NETWORK TRANSMISSION MODEL FOR EVALUATING MODEM PERFORMANCE OVER 2-WIRE VOICE GRADE CONNECTIONS
ITU-T V.56 BIS SPANISH-1995 NETWORK TRANSMISSION MODEL FOR EVALUATING MODEM PERFORMANCE OVER 2-WIRE VOICE GRADE CONNECTIONS
ITU-R F.381-2-1970 (WITHDRAWN) Conditions Relating to Line Regulating and Other Pilots and to Limits for the Residues of Signals Outside the Baseband in the Interconnection of Radio-Relay and Line Systems for Telephony - Section 9C - Interconnection Characteristics (Baseba

PK-PSQCA, four-wire system

PS 1422-1978 SPECIFICATION FOR COPPER BINDING AND JOINTING WIRES FOR TELEGRAPH AND TELEPHONE PURPOSES.

Professional Standard - Railway, four-wire system

TB 1426-1983 Standard Series of Wired Telephone Equipment in Railway Stations
TB/T 2500-1994 Standard series and main technical conditions of railway section telephone equipment (wired)

Association Francaise de Normalisation, four-wire system

NF E64-609:2013 Safety of woodworking machines - Four sided moulding machines
NF Z81-649*NF ETS 300649:2000 Public Switched Telephone Network (PSTN) - Calling Line Identification Restriction (CLIR) supplementary service - Service description
UTE C46-407U*UTE C46-407:1989 Provisional requirements. Industrial-process measurement and control. Four wire temperature converters-transmitters, with adjustable configuration.
NF C46-407:1989 Provisional Requirements Industrial-Process Measurement and Control Four Wire Temperature Converters-Transmitters,With Adjustable Configuration
NF C93-711-5-5*NF EN 61188-5-5:2016 Printed boards and printed board assemblies - Design and use - Part 5-5 : Attachment (land/joint) considerations - Components with gull-wing leads on four sides

Professional Standard - Electron, four-wire system

SJ 20040-1992 Generic specification for 4800bit/s wire voice-band modems
SJ/T 10231-1991 Technical requirement of wire voice-band modulation/demodulator for Type 300bit/s
SJ/T 10232-1991 Technical requirement of wire voice-band modulation/demodulator for Type 2400bit/s
SJ/T 10233-1991 Technical requirement of wire voice-band modulation/demodulator for Type 1200bit/s
SJ/Z 9096.4-1987 Method of measurement for radio transmitter Part 4: Amplitude/frequency characteristics and non-linearity distortion for radiotelephone and sound broadcasting transmitter
SJ/Z 9094.5-1987 Methods of measurement for equipment used in terestrial radio-relay systems--Part 2: Measurements for sub-systems--Section 4: Frequency modulators

American National Standards Institute （ANSI), four-wire system

ANSI/TIA-4965-2012 Telecommunications - Telephone Terminal Equipment - Receive Volume Control Requirements for Digital and Analog Wireline Terminals

RO-ASRO, four-wire system

STAS SR CEI 597-4-1996 Aerials for the reception of sound and television broadcasting in the frequences range 30 MHZ to 1 GHZ Part4;Guide for the preparation of aerial performance specifications.Detailed specification sheet format

European Telecommunications Standards Institute (ETSI), four-wire system

ETSI ETS 300 649-1997 Public Switched Telephone Network (PSTN); Calling Line Identification Restriction (CLIR) Supplementary Service; Service Description
ETSI PRETS 300 649-1996 Public Switched Telephone Network (PSTN); Calling Line Identification Restriction (CLIR) Supplementary Service; Service Description
ETSI TS 103 311-1-2017 Integrated broadband cable telecommunication networks (CABLE); Fourth Generation Transmission Systems for Interactive Cable Television Services - IP Cable Modems; Part 1: General; DOCSIS 3.1 (V1.1.1)
ETSI TS 103 311-3-2017 Integrated broadband cable telecommunication networks (CABLE); Fourth Generation Transmission Systems for Interactive Cable Television Services - IP Cable Modems; Part 3: MAC and Upper Layer Protocols Interface; DOCSIS 3.1 (V1.1.1)
ETSI TR 102 082-1999 Speech Processing, Transmission and Quality Aspect (STQ); Guidance on Writing Specifications and Tests for Non-Linear and Time Variant Telephony Terminals (V1.1.1)
ETSI TS 103 311-2-2017 Integrated broadband cable telecommunication networks (CABLE); Fourth Generation Transmission Systems for Interactive Cable Television Services - IP Cable Modems; Part 2: Physical Layer; DOCSIS 3.1 (V1.1.1)

ITU-T - International Telecommunication Union/ITU Telcommunication Sector, four-wire system

ITU-T H.233-1993 Confidentiality System for Audiovisual Services - Line Transmission of Non-Telephone Signals (Study Group XV) 14 pp
ITU-T V.34-1996 Modem Operating at Data Signalling Rates of up to 33 600 bit/s for Use on the General Switched Telephone Network and on Leased Point-to-Point 2-Wire Telephone-Type Circuits - Series V: Data Communication over the Telephone Network Interfaces and Voiceband
ITU-T V.34 CORR.-1997 Modem Operating at Data Signalling Rates of up to 33 600 bit/s for Use on the General Switched Telephone Network and on Leased Point-to-Point 2-Wire Telephone-Type Circuits (Study Group 14; 3 pp)
ITU-T G.131-1996 Control of Talker Echo - Series G: Transmission Systems and Media International Telephone Connections and Circuits - General Characteristics of the 4-Wire Chain Formed by the International Circuits and National Extension Circuits (Study Group 12)

Danish Standards Foundation, four-wire system

DS/ETS 300649:1998 Public Switched Telephone Network (PSTN) - Calling Line Identification Restriction (CLIR) supplementary service - Service description
DS/EN 61188-5-5:2008 Printed boards and printed board assemblies - Design and use - Part 5-5: Attachment (land/joint) considerations - Components with gull-wing leads on four sides
DS/EN 300392-10-18 V1.3.1:2004 Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 18: Barring of Outgoing Calls (BOC)
DS/EN 300392-11-18 V1.1.1:2002 Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 11: Supplementary services stage 2; Sub-part 18: Barring of Outgoing Calls (BOC)
DS/EN 300392-12-18 V1.1.1:2002 Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 18: Barring of Outgoing Calls (BOC)
DS/EN 61188-5-6:2003 Printed boards and printed board assemblies - Design and use - Part 5-6: Attachment (land/joint) considerations - Chip carriers with J-leads on four sides

Lithuanian Standards Office , four-wire system

LST ETS 300 649 Leid.1-2006 Public Switched Telephone Network (PSTN);Calling Line Identification Restriction (CLIR) supplementary service;Service description
LST EN 300 392-10-18 V1.3.1-2004 Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 18: Barring of Outgoing Calls (BOC)
LST EN 300 392-11-18 V1.1.1-2005 Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 11: Supplementary services stage 2; Sub-part 18: Barring of Outgoing Calls (BOC)
LST EN 300 392-12-18 V1.1.1-2005 Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 12: Supplementary services stage 3; Sub-part 18: Barring of Outgoing Calls (BOC)
LST EN 61188-5-5-2008 Printed boards and printed board assemblies - Design and use - Part 5-5: Attachment (land/joint) considerations - Components with gull-wing leads on four sides (IEC 61188-5-5:2007)

ETSI - European Telecommunications Standards Institute, four-wire system

ETS 300 649-1997 Public Switched Telephone Network (PSTN); Calling Line Identification Restriction (CLIR) Supplementary Service; Service Description
PRETS 300 649-1996 Public Switched Telephone Network (PSTN); Calling Line Identification Restriction (CLIR) Supplementary Service; Service Description
PRETS 300 911-1998 Digital Cellular Telecommunications System (Phase 2+); Radio Subsystem Link Control (Fourth Edition; GSM 05.08 Version 5.6.0)
ETS 300 578-1996 Digital Cellular Telecommunications System (Phase 2); Radio Subsystem Link Control (GSM 05.08 Version 4.14.0) Fourth Edition
TS 129 198-4-5-2007 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Open Service Access (OSA) Application Programming Interface (API); Part 5: Call control; Subpart 4: Conference call control Service Capability Featur
TS 103 311-1-2017 Integrated broadband cable telecommunication networks (CABLE); Fourth Generation Transmission Systems for Interactive Cable Television Services - IP Cable Modems; Part 1: General; DOCSIS 3.1 (V1.1.1)
ES 203 311-1-2019 Integrated broadband cable telecommunication networks (CABLE); Fourth generation transmission systems for interactive cable television services - IP cable modems; Part 1: General; DOCSIS? 3.1 (V1.1.1)

Defense Logistics Agency, four-wire system

DLA SMD-5962-88584 REV B-2002 MICROCIRCUIT, LINEAR, BIPOLAR QUAD NTDS FAST/ANEW RECEIVER, MONOLITHIC SILICON

German Institute for Standardization, four-wire system

DIN ETS 300649:1997-12 Public Switched Telephone Network (PSTN) - Calling Line Identification Restriction (CLIR) supplementary service - Service description; English version ETS 300649:1997
DIN EN 61188-5-6:2003 Printed boards and printed board assemblies - Design and use - Part 5-6: Attachment (land/joint) considerations; Chip carriers with J-leads on four sides (IEC 61188-5-6:2003); German version EN 61188-5-6:2003
DIN EN 61188-5-5:2008 Printed boards and printed board assemblies - Design and use - Part 5-5: Attachment (land/joint) considerations - Components with gull-wing leads on four sides (IEC 61188-5-5:2007); German version EN 61188-5-5:2007

RU-GOST R, four-wire system

GOST 30481-1997 Hydraulic fluid power. Four- and five-port servovalves. Mounting dimensions of subplates joint surfaces
GOST IEC 61188-5-5-2013 Printed boards and printed board assemblies. Design and use. Part 5-5. Attachment (land/joint) considerations. Components with gull-wing leads on four sides
GOST IEC 61188-5-6-2013 Printed boards and printed board assemblies. Design and use. Part 5-6. Attachment (land/joint) considerations. Chip carriers with J-leads on four sides
GOST 23595-1979 Control signals, line and acoustic signals of the single frequency signalling system for the trunk and intrazone telephone network. Electrical parameters and measuring methods

(U.S.) Telecommunications Industries Association , four-wire system

TIA-1878-C-2008 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function
TIA-4965-2012 Telecommunications Telephone Terminal Equipment Receive Volume Control Requirements for Digital and Analog Wireline Handset Terminals
TIA-1878-D-2013 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function
TIA PN 3-0091-RV3-2007 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function To be published as TIA-1878-C
TIA-878-C-1-2010 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Access Network
TIA-878-C-2008 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Access Network
TIA-878-C-2-2010 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Access Network
TIA-878-A-2008 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Access Network
TIA-1878-C-2-2010 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function Addendum 2 to TIA-1878-C
TIA-1878-C-1-2010 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function Addendum 1 to TIA-1878-C
TIA-878-B-2008 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Access Network
TIA-878-D-2013 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Access Network
TIA-878-B-1-2010 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Access Network Addendum to TIA-878-B

Taiwan Provincial Standard of the People's Republic of China, four-wire system

CNS 14149-1998 Line transmission of non-telephone signals - Multipoint control units for audiovisual systems using digital channels up to 2 Mbps

British Standards Institution (BSI), four-wire system

BS EN 61188-5-6:2003 Printed boards and assemblies - Design and use - Attachment (land/joint) considerations - Chip carriers with J-leads on four sides
BS EN 61188-5-5:2007 Printed boards and printed board assemblies - Design and use - Attachment (land/joint) considerations - Components with gull- wing leads on four sides

Professional Standard - Aviation, four-wire system

HB 8560-2019 Wires, silver-coated copper conductor, single radiation-crosslinked ETFE-extruded insulation, for aviation
HB 8555-2019 Wires, nickel-coated copper conductor, double radiation-crosslinked ETFE-extruded insulation, for aviation
HB 8557-2019 Wires, tin-coated copper conductor, double radiation-crosslinked ETFE-extruded insulation , for aviation
HB 8554-2019 Wires, nickel-coated copper conductor, single radiation-crosslinked ETFE-extruded insulation, for aviation
HB 8556-2019 Wires, tin-coated copper conductor, single radiation-crosslinked ETFE-extruded insulation, for aviation
HB 8562-2019 General specification for radiation-crosslinked extruded insulated wires and cables for aviation
HB 8561-2019 Wires, silver -coated copper conductor, double radiation-crosslinked ETFE-extruded insulation , for aviation
HB 8553-2019 Wires, nickel-coated high strength copper alloy conductor, double radiation-crosslinked ETFE-extruded insulation, for aviation
HB 8559-2019 Wires, silver-coated high strength copper alloy conductor, double radiation-crosslinked ETFE-extruded insulation, for aviation
HB 8558-2019 Wires, silver-coated high strength copper alloy conductor, single extruded XETFE insulation, for aviation
HB 8552-2019 Wires, nickel-coated high strength copper alloy conductor, single radiation-crosslinked ETFE-extruded insulation, for aviation

Professional Standard - Post and Telecommunication, four-wire system

YD/T 945-1998 Modem operating at data signalling rates of up to 33600 bit/s for use on the general switched telephone network and on leased point - to - point 2 - wire telephone - type circuits

CEPT - Conference Europeenne des Administrations des Postes et des Telecommunications, four-wire system

CEPT T/TPH 23-1985 Systeme De Tarification Et Taxes Applicables Aux Communications Radio-Telephoniques Internationales Du Service Mobile Maritime@ A L'Exception Des Taxes De Bord

Society of Automotive Engineers (SAE), four-wire system

SAE AMS3658E-2010 Polytetrafluoroethylene (PTFE) Extrusions, Premium Strength, Sintered and Stress- Relieved Radiographically Inspected

TIA - Telecommunications Industry Association, four-wire system

TIA-1878-B-2008 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function
TIA-1878-B-1-2009 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function
TIA-1878-A-2008 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function
TIA-1878-1-2008 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function (Addenda to TIA-1878)
TIA-878-A-2-2010 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Access Network
TIA-1878-A-2-2010 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function (Addendum to TIA-1878-A)
TIA-1878-A-1-2008 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function (Addendum to TIA-1878-A)
TIA-1878-C-3-2011 Interoperability Specification (IOS) for High Rate Packet Data (HRPD) Radio Access Network Interfaces with Session Control in the Packet Control Function (Addendum to TIA-1878-C)

European Committee for Standardization (CEN), four-wire system

EN 50025:1987 Low voltage switchgear and controlgear for industrial use; Inductive proximity switches; Form C; for direct current, 3 or 4 terminals
EN 50026:1987 Low voltage switchgear and controlgear for industrial use; Inductive proximity switches Form D, for direct current, 3 or 4 terminals

Korean Agency for Technology and Standards (KATS), four-wire system

KS C IEC 61188-5-5:2009 Printed boards and printed board assemblies-Design and use-Part 5-5:Attachment (land/joint) considerations-Components with gull-wing leads on four sides
KS C IEC 61188-5-5:2013 Printed boards and printed board assemblies－Design and use－Part 5-5：Attachment (land/joint) considerations－Components with gull-wing leads on four sides
KS C IEC 61188-5-6:2009 Printed boards and printed board assemblies &##8211; Design and use-Part 5-6:Attachment(land/joint) considerations-Chip carriers with J-leads on four sides
KS C IEC 61188-5-6:2013 Printed boards and printed board assemblies ? Design and use－Part 5-6：Attachment(land/joint) considerations－Chip carriers with J-leads on four sides

European Committee for Electrotechnical Standardization（CENELEC）, four-wire system

EN 61188-5-5:2007 Printed boards and printed board assemblies - Design and use - Part 5-5: Attachment (land/joint) considerations - Components with gull-wing leads on four sides

International Electrotechnical Commission (IEC), four-wire system

IEC 61188-5-5:2007 Printed boards and printed board assemblies - Design and use - Part 5-5: Attachment (land/joint) considerations - Components with gull-wing leads on four sides

KR-KS, four-wire system

KS C IEC 61188-5-5-2009 Printed boards and printed board assemblies－Design and use－Part 5-5：Attachment (land/joint) considerations－Components with gull-wing leads on four sides
KS C IEC 61188-5-6-2009 Printed boards and printed board assemblies?Design and use－Part 5-6：Attachment(land/joint) considerations－Chip carriers with J-leads on four sides

ES-UNE, four-wire system

UNE-EN 61188-5-5:2007 Printed boards and printed board assemblies - Design and use - Part 5-5: Attachment (land/joint) considerations - Components with gull-wing leads on four sides (Endorsed by AENOR in March of 2008.)
UNE-EN 61188-5-6:2003 Printed boards and printed board assemblies - Design and use -- Part 5-6: Attachment (land/joint) considerations - Chip carriers with J-leads on four sides (Endorsed by AENOR in July of 2003.)

Underwriters Laboratories (UL), four-wire system

UL 60947-7-1 (ND)-2017 National Differences For Low-voltage switchgear and controlgear – Part 7-1: Ancillary equipment – Terminal blocks for copper conductors (Fourth Edition)
UL 60947-7-1-2017 UL Standard for Safety Low-voltage switchgear and controlgear – Part 7-1: Ancillary equipment – Terminal blocks for copper conductors (Fourth Edition)