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Auxiliary Codes
DCM-750BAH-OS N-0 January 2003
P-0 March 2004
P-1 August 2004
P-2 November 2004
Q-0 March 2005
R-0 April 2006
S-0 January 2007
T-0 January 2008
U-0 June 2009
U-1 September 2009
V-0 January 2010
V-1 May 2010
A-0 February 2011
A-1 TBD
DCM-750BWH-OS N-0 January 2003
P-0 September 2004
Q-1 December 2005
Q-2 August 2005
R-0 May 2006
S-0 June 2007
T-0 March 2008
U-1 December 2009
V-1 May 2010
A-0 TBD
A-1 TBD
Auxiliary Code Breakdown
The auxiliary code is the rst two characters in the serial number. The rst character
indicates the year. Years progress or regress in alphabetical order. The series runs from
"A" through "V" and the letters "I" and "O" are skipped. The second character indicates
signicant part changes within a year. Base is "0" and this number advances for each
change. In cases where there is a letter in parentheses, this designates the month. This
is the last character in the serial number. The series runs from "(A)" through "(M)" and the
letter "(I)" is skipped. This designation is only included when identifying a parts change
within an auxiliary code.
Note About Ordering Parts
Most assemblies cannot be ordered as complete units; parts in the assemblies generally
must be ordered separately.