ITU-T R 52-1988 STANDARDIZATION OF INTERNATIONAL TEXTS FOR THE MEASUREMENT OF THE MARGIN OF START - STOP EQUIPMENT《测量起止设备裕量用的国际电文的标准化》.pdf

1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 2 TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU4%,%2!0(94%,%2!0(G0G042!.3-)33)/.34!.$!2$):!4)/.G0G0/amended at Geneva, 1964 and 1980; amended at Melbourne, 1988to incorporate former Recommendation S.33, Geneva, 1972)The CCITT,considering(a) that to test t

2、he effective margin of the receiver of a start-stop teleprinter it is desirable to standardize thecontent of the transmitted sequence of signals;(b) that there is advantage in choosing a short text that can be directly printed within a single line by start-stopterminal equipments;(c) that preferably

3、 the composition of the text used should include all alpha characters of the basic alphabetemployed and be arranged in a format that is easy to read and to understand;(d) that comparison of the margin measurements obtained would be facilitated by such arrangements,unanimously declares the view(1) th

4、at it is not necessary to standardize an international text for the measurement of the margin of ateleprinter;(2) that, nevertheless, where teleprinters are required to receive information in languages based on the Latinalphabet, one of the following texts may be used:a) in the case of application o

5、f the International Telegraph Alphabet No. 2 (Recommendation S.1):VOYEZ LE BRICK GEANT QUE JEXAMINE PRES DU WHARFTHE QUICK BROWN FOX JUMPS OVER THE LAZY DOGb) in the case of application of the international reference version of International Alphabet No. 5, 95character set (Recommendation T.50, Tabl

6、e 11 /T.50, columns 2 to 7):VoyeZ Le BricK GeanT QuE JExaminE PreS Du WharF 123 456 7890 + : = % ( )ThE QuicK BrowN FoX JumpS OveR ThE LazY DoG 123 456 7890 + : = % ( )c) in the case of application of the international reference version of International Alphabet No. 5, 64character set (Recommendation T.50, Table 11 /T.50, columns 2 to 5):VOYEZ LE BRICK GEANT QUE JEXAMINE PRES DU WHARF 123 456 7890 + : = % ( )THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG 123 456 7890 + : = % ( )