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BS 6450-4:1993 | 15 Dec 1993 | BSI Knowledge
Standard
Withdrawn
BS 6450-4:1993
Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators - Specification for ports
Published:
15 Dec 1993
•
Withdrawn:
1 May 2009
Overview
Preview
References
History
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Product Details
Descriptors
Electrical safety
Circuits
Electrical impedance
Electrical testing
Telephony
Communication equipment
Safety measures
Signal level
Telephone exchanges
Telephone equipment
Signal distortion
Performance testing
Definitions
Telephone switching equipment
Interfaces
Classification systems
Telephone networks
Signal strength
Communication cables
Communication networks
Test equipment
ICS Codes
33.040.30 Switching and signalling systems
33.040.35 Telephone networks
Committee
W/-
International relationships
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ISBN
0 580 22108 3
Publisher
BSI