User's Manual

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) LABELED TAPES
XEROX LASER PRINTING SYSTEMS TAPE FORMATS MANUAL 1-7
VOL1 label
The VOL1 label must appear as the first block on every ANSI labeled
tape and in no other position. It provides the identification for a
particular reel of tape. No other label is permitted whose identifier
(first three characters) is VOL. The VOL1 label is described in table
1-2.
Table 1-2.VOL1 label (ANSI tapes)
Name
Character
position(s) Field Description
Label identifier 1-3 1 This is the 3-character identifier VOL.
Label number 4 2 This is the number 1.
Volume serial —number 5-10 3 This is a 6-character code assigned by the owner to
identify this reel (physical volume) of tape. These
characters must be those defined in ANSI Standard
X3.27—1969 as “a” characters.
Accessibility 11 4 This is an access code. Any of the characters
specified for the volume serial number may be used.
A space means unlimited access; any other character
means special handling.
Reserved 12-31 5 Spaces.
Reserved 32-37 Spaces.
Owner identification 38-51 8 This is an owner identification code composed of
characters defined in ANSI Standard X3.27—1969 as
“a” characters.
Reserved 52-79 8 Spaces.
Label standard level 80 9 This is a standard level code. A number 1 indicates
that the labels and data formats on this volume
conform to ANSI Standard X3.27—1969. A space
indicates that they do not.