5-bit Teletypewrite Code

Sources: Steven J Searle, A Brief History of Character Codes, Tom Jennings: ASCII: American Standard Code for Information Infiltration, Alan G Hobbs: Five-unit codes.

ITA 2

Binary value	Hex value	Letters	Figures
00011	0x03	A	-
11001	0x19	B	?
01110	0x0E	C	:
01001	0x09	D	[WRU]
00001	0x01	E	3
01101	0x0D	F	n/a
11010	0x1A	G	n/a
10100	0x14	H	n/a
00110	0x06	I	8
01011	0x0B	J	[BEL]
01111	0x0F	K	(
10010	0x12	L	)
11100	0x1C	M	.
01100	0x0C	N	,
11000	0x18	O	9
10110	0x16	P	0
10111	0x17	Q	1
01010	0x0A	R	4
00101	0x05	S	'
10000	0x10	T	5
00111	0x07	U	7
11110	0x1E	V	;
10011	0x13	W	2
11101	0x1D	X	/
10101	0x15	Y	6
10001	0x11	Z	+
00000	0x00	n/a	n/a
01000	0x08	[CR]	[CR]
00010	0x02	[LF]	[LF]
00100	0x04	[SP]	[SP]
11111	0x1F	[LTRS]	[LTRS]
11011	0x1B	[FIGS]	[FIGS]

US TTY

Binary value	Hex value	Letters	Figures
00011	0x03	A	-
11001	0x19	B	?
01110	0x0E	C	:
01001	0x09	D	$
00001	0x01	E	3
01101	0x0D	F	!
11010	0x1A	G	&
10100	0x14	H	# or [STOP]
00110	0x06	I	8
01011	0x0B	J	'
01111	0x0F	K	(
10010	0x12	L	)
11100	0x1C	M	.
01100	0x0C	N	,
11000	0x18	O	9
10110	0x16	P	0
10111	0x17	Q	1
01010	0x0A	R	4
00101	0x05	S	[BEL]
10000	0x10	T	5
00111	0x07	U	7
11110	0x1E	V	;
10011	0x13	W	2
11101	0x1D	X	/
10101	0x15	Y	6
10001	0x11	Z	"
00000	0x00	n/a	n/a
01000	0x08	[CR]	[CR]
00010	0x02	[LF]	[LF]
00100	0x04	[SP]	[SP]
11111	0x1F	[LTRS]	[LTRS]
11011	0x1B	[FIGS]	[FIGS]

Whenever LTRS or FIGS is encountered in the binary stream, "codepage"/ "column" is switched respectively.