HP UX Internet and Networking Software manual Modem Control Characters

Administration Commands

define_sdlc_ls

The TG number specified in the tg_number parameter is in use by another link station.

Other Conditions

Appendix A, Common Return Codes from snapadmin Commands, lists combinations of primary and secondary return codes that are common to all commands.

2.51.4 Modem Control Characters

If you need to include non-printable control characters in the hmod_data parameter, you can use any of the following methods:

•Include one or more of the escape sequences listed in Table 2–1, Escape Sequences for Modem Control Characters, preceded and followed by / (forward slash) characters. For example, to include the CR (carriage- return) character, include /CR/.

•Include the decimal value of the control character, preceded and followed by / (forward slash) characters. For example, to include the control character with value 135, include /135/.

•Specify the parameter as a hexadecimal array instead of a character string, so that each character in the string is specified by a pair of hexadecimal digits instead of a printable character or escape sequence.

Table 2–1 Escape Sequences for Modem Control Characters

Escape Sequence	Decimal Value	Hexadecimal Value
NUL	0	0x00
SOH	1	0x01
STX	2	0x02
ETX	3	0x03
EOT	4	0x04
ENQ	5	0x05
ACK	6	0x06
BEL	7	0x07
BS	8	0x08
HT	9	0x09
LF	10	0x0A
VT	11	0x0B
FF	12	0x0C
CR	13	0x0D
SO	14	0x0E
SI	15	0x0F
DLE	16	0x10
DC1	17	0x11
DC2	18	0x12
DC3	19	0x13
DC4	20	0x14

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