ITU-T F.30 FRENCH-1993
Use of Various Sequences of Combinations for Special Purposes - Operations and Quality of Service; Telegraph Services (Study Group I) 5 pp

Standard No.

ITU-T F.30 FRENCH-1993

Release Date

1993

Published By

International Telecommunication Union (ITU)

Latest

ITU-T F.30 FRENCH-1993

Scope

The CCITT, unanimously declares that when it is necessary to provide for switching of telegrams to different routes in semi-automatic or fuiiy automatic telegram retransmission systems, the beginning and ending of each telegram are identified by the insertion of start-of-message and end-of-message signals; the start-of-message signal consists of the sequence ZCZC in letter case; the end-of-message signal consists of the sequence NNNN, in letter case.

ITU-T F.30 FRENCH-1993 history

• 1993 ITU-T F.30 FRENCH-1993 Use of Various Sequences of Combinations for Special Purposes - Operations and Quality of Service; Telegraph Services (Study Group I) 5 pp