ITU-T R 59-1988 Interface Requirements for 50-Baud Start-Stop Telegraph Transmission in the Maritime Mobile Satellite Service - Telegraph Transmission (Study Group IX) 2 pp《在海上移动卫星.pdf
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1、CCITT FASCICLE VII.3 * 9 48b2573 0530283 3 Recommendation R.59 INTERFACE REQUIREMENTS FOR 50-BAUD START-STOP TELEGRAPH TRANSMISSION IN THE MARITIME MOBILE SATELLITE SERVICE (Geneva, 1980; amended at Malaga-Torremolinos, 1984) The CCITT, considering (a) that proper interworking with the international
2、 telegraph services must be ensured: (b) that the coast-earth station equipment will interface with the international terrestrial telegraph networks and will therefore need to conform to CCIT Recommendations where applicable; (c) that the ship earth station will include a local end with its terminat
3、ion consisting of start-stop equipment using International Telegraph Alphabet No. 2: (d) that corresponding requirements are given in CCIR Recommendation 553, unanimously recommends (1) that the coast earth station equipment interfacing with terrestrial telegraph channels should conform to a) for si
4、gnals from the terrestrial network entering the coast earth station, the relevant points are given in Table 1/R.59; b) for signals from the coast earth station entering the terrestrial network, the relevant points are given in Table 2/R.59; Recommendation R. 1 O1 as applicable to 50-baud services: (
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