RS-232 Interface 7-21
ASCII Character Set for RS-232
The values in Table 7-4 can be assigned as prefixes or suffixes for ASCII character data transmission.
Table 7-4. Prefix/Suffix Values
Prefix/Suffix Value
Full ASCII
Code 39 Encode Character ASCII Character
1000 %U NUL
1001 $A SOH
1002 $B STX
1003 $C ETX
1004 $D EOT
1005 $E ENQ
1006 $F ACK
1007 $G BELL
1008 $H BCKSPC
1009 $I HORIZ TAB
1010 $J LF/NW LN
1011 $K VT
1012 $L FF
1013 $M CR/ENTER
1014 $N SO
1015 $O SI
1016 $P DLE
1017 $Q DC1/XON
1018 $R DC2
1019 $S DC3/XOFF
1020 $T DC4
1021 $U NAK
1022 $V SYN
1023 $W ETB
1024 $X CAN
1025 $Y EM
1026 $Z SUB
1027 %A ESC
1028 %B FS
1029 %C GS
1030 %D RS
1031 %E US
1032 Space Space