ETS 300 116 : 20002
Current
The latest, up-to-date edition.
ATTACHMENTS TO THE PUBLIC SWITCHED TELEPHONE NETWORK (PSTN) CATEGORY II ATTACHMENT REQUIREMENTS FOR 1200 BITS PER SECOND DUPLEX MODEMS STANDARDIZED FOR USE ON THE PSTN (CANDIDATE NET 22)
Hardcopy , PDF
English
Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4 General requirements
4.1 References to other ETSs
4.2 Information to be provided by the applicant
5 Functional requirements specific to category II
modems
5.1 General requirements
5.2 Modes
5.3 Line signals
5.4 Line signalling rates
5.5 Encoding and decoding of data
5.6 Threshold of received line signal detection
5.7 Channel allocation
5.8 Hand-shaking sequences
5.9 Transmission of start-stop characters
5.10 Scrambler and descrambler
5.11 Test loop 2
5.12 Receiver performance
Annex A (normative): Testing methods
A.1 General testing conditions
A.2 Test for subclause 5.3.1 (carrier frequencies)
A.3 Test for subclause 5.3.2 (guard tone)
A.4 Test for subclause 5.4 (line signalling rates)
A.5 Test for subclause 5.5 (encoding and decoding of
data)
A.6 Test for subclause 5.6 (threshold of received
line signal detection)
A.7 Test for subclause 5.7 (channel allocation)
A.8 Test for subclause 5.8 (hand-shaking sequences)
A.9 Test for subclause 5.10 (scrambler and
descrambler)
A.10 Test for subclause 5.11 (test loop 2)
Annex B (normative): Derivation of timings
Annex C (informative): Example proforma for the
declaration of modes of
operation/use
Annex D (informative): Bibliography
History
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.