IBM 4J manual Source codepage, destination, Codepage, Nnnnn

Parameter	Description			Values
-p	Use this option to specify codepages for			source codepage, destination
	file conversion. Default is no codepage			codepage
	translation.
	This parameter is mutually exclusive
	with -xlate.
-d	Specify the datatype of the file.			text binary VB
	When you use “-m compress”, the			The default is text.
	datatype values result in the following:
	v	text
		Strips newline characters from each
		record
		Supports -s and -a parameters
		Uses data attributes of
		blocksize=23040, recfm=vb,
		lrecl=23036, dsorg=ps
	v	binary
		Uses data attributes of
		blocksize=23040, recfm=u, lrecl=0,
		dsorg=ps
		Does not support -s and -a parameters
	v	VB
		Does not support -x, -p, -s, and -a
		parameters
		Uses data attributes of
		blocksize=23040, recfm=vb,
		lrecl=23036, dsorg=ps
		When you use “-m decompress”, the
		datatype values result in the following:
	v	text
		Inserts newline characters into each
		record
		Supports the -s parameter
	v	binary
		Does not support the -s parameter
	v	VB
		Does not support -x, -p, and -s
		parameters
-b	Specify the block size of the output file.			nnnnn
	This parameter is valid only when you			The range is 4096–32760. The
	specify		“-m compress” for the	default is 27920.
	compression option.
-s	Use this option to strip trailing blanks.			y n
	This parameter is valid only when you			y—yes
	specify		“-d text” for the datatype of the	n—no
	file.
				The default is y.

50Sterling Connect:Direct for UNIX: User Guide