1 This Recommendation defines the requirements for terminal equipment used in the international Teletex service.
2 The rules to be followed in the Teletex service are defined in Recommendation F.200.
3 The character repertoire and the coded character sets for the Teletex service are defined in Recommendation T.61.
4 All Teletex terminals have to communicate with unique procedures that are described as follows:
a) the interface to the transport network is defined in this Recommendation, see § 6;
b) the transport end-to-end control procedure is defined in Recommendation T.70;
c) the Teletex control procedures are defined in Recommendation T.62.
5 Requirements for terminals providing mixed-mode capability are specified in Recommendation T.72.