PD 7003:1996 - Essential requirements for terminal equipment intended for connection to analogue interfaces of the PSTN using direct dialling in
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Here are some key points that might be addressed in PD 7003:1996:
Terminal Equipment Interface: The specification likely defines the essential requirements for the interface between terminal equipment and the analogue interfaces of the PSTN when using direct dialing. This could include requirements for electrical characteristics, signaling methods, and connection protocols.
Direct Dialing In: PD 7003:1996 may specifically address the requirements for terminal equipment that enables users to connect to the PSTN using direct dialing. Direct dialing typically involves dialing a complete telephone number without operator assistance.
Electrical Characteristics: The document may specify electrical characteristics of the interface, including voltage levels, signaling voltages, impedance matching, and other parameters relevant to the proper functioning of the terminal equipment within the PSTN environment.
Signal Protocols: The specification may outline the signal protocols to be used for communication between the terminal equipment and the PSTN, ensuring compatibility and proper transmission of information.
Call Establishment and Termination: Requirements for the establishment and termination of calls, including signaling methods and timing considerations, may be detailed to ensure smooth communication between the terminal equipment and the PSTN.
Compliance and Certification: PD 7003:1996 may include information on compliance with the specified requirements and the certification processes that terminal equipment must undergo to meet the established standards.
Safety and Regulatory Compliance: Considerations related to safety, electromagnetic compatibility, and other regulatory compliance aspects may be addressed to ensure that the terminal equipment meets the relevant standards and regulations.
Interoperability: The specification may include guidelines to ensure interoperability between different terminal equipment and the analogue interfaces of the PSTN, allowing for seamless communication between various devices.
