SSH ETS 300 117:1991

Attachments to the Public Switched Telephone Network (PSTN) Category II attachment requirements for 2400 bits per second duplex modems standardized for use on the PSTN

Publication date: Jun 18, 2024

General information

Current stage: 60.60 Effective date: Jun 18, 2024

Originator: DPS

Owner: DPS/KT 10

Type: European Norm

ICS: 33.020

Languages: English

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Status: Published

PDF - ALL 4,641

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This ETS specifies the technical characteristics to be met by modems seeking Category II approval for duplex operation over the PSTN at 2400 bits per second. The modulation scheme specified is that described in CCITT Recommendation V.22bis [7]. The term "modem" in the context of this ETS includes all physical implementation practices for voice band modems, which are galvanically connected to the PSTN.

SSH ETS 300 117:1991

Attachments to the Public Switched Telephone Network (PSTN) Category II attachment requirements for 2400 bits per second duplex modems standardized for use on the PSTN

General information

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Scope

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Adopted from ETS 300 117:1991 ed.1