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9-2 Product History
HISTORY OF ASSEMBLIES BY SERIAL NUMBER
C2858A and C2859A plotters use a serial number format as follows:
USAxxyyyyy
where; US indicates country of manufacture, A indicates the plotter revision level, xx indi-
cates the month (1-9, A, B, C) and week (1-4) of manufacture, and the remaining digits (y-y)
are the individual sequential numbers of the plotters as they are manufactured.
Table 9-1 is a quick-reference table that lists, by plotter serial number, the assemblies that
differ from those documented in this manual. Also referenced are Item Numbers under which
these differences are described in this chapter.
Table 9-1. Assembly Reference by Serial Number Prefix
Serial Number Prefix
Assemblies Items
NO CHANGES
Table 9-2 lists the assemblies, other than PCAs, under each item in this chapter.
Table 9-2. Item Description
Item
Assemblies
NO CHANGES