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Left Hand Pointer

Transfer Media

1995 Version of ANSI (Equivalent to Current ISO Version) of Standard

Right Hand Pointer

3 Transfer Media

If the medium is magnetic tape, it should preferably be 1/2" industry standard 9 track (unlabelled and with the ASCII character set). The eighth bit (i.e., most significant bit) shall be set to zero when transferring 7 bit data. The physical block size shall be preferably 1024 characters but may be any clearly designated integer multiple of this size and preferably use the ANSI X3.27–1987 "D" (unspanned variable length records) format. The reel size should preferably be 7".

Tapes recorded at either 800 bpi, NRZI (ANSI X3.22–1990) or 1600 or 6250 bpi phase-encoded (ANSI X3.39–1992) are recommended for current systems.

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Copyright © Standard Documents; 1977-2018 MUMPS Development Committee;
Copyright © Examples: 1995-2018 Ed de Moel;
Copyright © Annotations: 2003-2008 Jacquard Systems Research
Copyright © Annotations: 2008-2018 Ed de Moel.

This page most recently updated on 29-Nov-2011, 20:00:19 .

For comments, contact Ed de Moel (demoel@jacquardsystems.com)