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BS 7940:1999
Analogue PSTN terminal support interface
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Summary
Electronic telephone switching systems;Signal transmission;Analogue signals;Test equipment;Interfaces;Electric terminals;Radiocommunication;Noise (spurious signals);Public switched telephone network;Interfaces (data processing);Electrical impedance;Performance;Signal strength;Direct current;Analogue circuits;Accuracy;Testing conditions;Telecommunication systems;Circuits;Approval testing;Classification systems;Communication equipment;Performance testing;Electrical testing;Electric connectors;Telephony;Telephone networks;Signal level;Electric sockets;Telephone equipment
Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 10/15/1999 |
| Page Count | 28 |
| Themes | Telephone equipment |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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