33.040.20: Transmission systems pathways and multiplexing
Search Results
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UNE-ETS 300117:1993
ATTACHMENTS TO THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN). CATEGORY II ATTACHMENT REQUIREMENTS FOR 2 400 BITS PER SECOND DUPLEX MODEMS STANDARDISED FOR USE ON THE PSTN.
standard by UNE-ETS, 07/13/1993.
Languages:
- MULTI-USER
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UNE-ETS 300118:1993
ATTACHMENTS TO THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN). CATEGORY II ATTACHMENT REQUIREMENTS FOR 1 200 BITS PER SECOND HALF DUPLEX AND 1 200/75 BITS PER SECOND ASYMMETRICAL DUPLEX MODEMS STANDARDISED FOR USE ON THE PSTN.
standard by UNE-ETS, 07/13/1993.
Languages:
- MULTI-USER
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UNE-EN 301751 V1.1.1:2004
Fixed Radio Systems; Point-to-Point equipments and antennas; Generic harmonized standard for Point-to-Point digital fixed radio systems and antennas covering the essential requirements under article 3.2 of the 1999/5/EC Directive.
standard by UNE-EN, 09/30/2004.
Languages:
- MULTI-USER
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UNE-EN 50136-1-3:1998
ALARM SYSTEMS. ALARM TRANSMISSION SYSTEMS AND EQUIPMENT. PART 1-3: REQUIREMENTS FOR SYSTEMS WITH DIGITAL COMMUNICATORS USING THE PUBLIC SWITCHED TELEPHONE NETWORK.
standard by UNE-EN, 11/13/1998.
Languages:
- MULTI-USER
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UNE-EN 50136-1-4:1998
ALARM SYSTEMS. ALARM TRANSMISSION SYSTEMS AND EQUIPMENT. PART 1-4: REQUIREMENTS FOR SYSTEMS WITH VOICE COMMUNICATORS USING THE PUBLIC SWITCHED TELEPHONE NETWORK.
standard by UNE-EN, 11/13/1998.
Languages:
- MULTI-USER
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UNE-EN 50136-2-3:1998
ALARM SYSTEMS. ALARM TRANSMISSION SYSTEMS AND EQUIPMENT. PART 2-3: REQUIREMENTS FOR EQUIPMENT USED IN SYSTEMS WITH DIGITAL COMMUNICATORS USING THE PUBLIC SWITCHED TELEPHONE NETWORK.
standard by UNE-EN, 12/04/1998.
Languages:
- MULTI-USER
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UNE-EN 50136-2-4:1998
ALARM SYSTEMS. ALARM TRANSMISSION SYSTEMS AND EQUIPMENT. PART 2-4: REQUIREMENTS FOR EQUIPMENT USED IN SYSTEMS WITH VOICE COMMUNICATORS USING THE PUBLIC SWITCHED TELEPHONE NETWORK.
standard by UNE-EN, 12/04/1998.
Languages:
- MULTI-USER
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UNE-EN 60495:1996
SINGLE SIDEBAND POWER-LINE CARRIER TERMINALS.
standard by UNE-EN, 12/17/1996.
Languages:
- MULTI-USER
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UNE-EN 60617-10:1997
GRAPHICAL SYMBOLS FOR DIAGRAMS. PART 10: TELECOMMUNICATIONS: TRANSMISSION.
standard by UNE-EN, 06/20/1997.
Languages:
- MULTI-USER