Table 2-3 shows which character sets are supported at the mainframe.
Type of character set  | 
Character set name  | 
Includes Hankaku Katakana?  | 
|---|---|---|
Single-byte  | 
EBCDIC  | 
Yes, in Japan only.  | 
Double-byte  | 
IBM Kanji  | 
No  | 
Although
single-byte characters can be read as either hankaku katakana or
lowercase alphabetic characters, only one option can be
specified in a single CICS region.