ÖNORM EN 300778-1 V 1.2.1:2001-07

Действует

Access and Terminals (AT) - Analogue access to the Public Switched Telephone Network (PSTN) - Protocol over the local loop for display and related services - Terminal Equipment requirements - Part 1: On-hook data transmission

Описание Изменения Ссылки Версии

The present document specifies the electrical characteristics and the functional characteristics for Terminal Equipment
(TE) for connection to the network termination points of a Public Switched Telephone Network (PSTN) interface
providing a Protocol over the local loop for display and related services based on the protocols defined in
EN 300 659-1 [1] and EN 300 659-3 [3]. For those networks that have implemented a Dual Tone Multi Frequency
(DTMF) based subscriber line protocol, network specific TE requirements apply (see annex A).
The present document applies to on-hook data transmission only.
The requirements are intended to ensure correct reception and detection of the received data. The method of displaying
the received data is not defined.

ICS

33.040.35 Telephone. Including Public Switched Telephone Networks (PSTN), Private Telecommunication Networks (PTN) and Private Integrated Service Networks (PISN) / Телефонные сети. Включая коммутируемые телефонные сети общего пользования (PSTN), корпоративные телекоммуникационные сети (PTN) и сети с интеграцией служб частного пользования (PISN)