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Configuring X.3 Profile Parameters

Chapter 6 163

Configuring X.3 Profile Parameters

X.3 PAD parameters are used to specify how certain I/O operations are

performed between Data Terminal Equipment (DTE) and the remote

host PAD. These parameters are used to ensure that the local DTE and

the remote PAD use the same communications profile.

Each of the 22 parameters has an identifier known as the parameter

reference. This identifier is an integer value from 1 to 22. Each

parameter has a defined range of possible values as specified by the X.3

recommendations.

X.3 parameters are specified in one or more configuration sets contained

in the /etc/x25/x3config file. Each configuration set includes:

• X.3 configuration set name and profile number

• Parameter number

• Parameter value for line mode (value1) and raw mode (value2)

• Comment lines starting with “#”

See Appendix B, X.25 Configuration Files and Examples, for an example

of the x3config file.

Configuration Set Syntax

The syntax for an X.3 configuration set is shown in the following

example:

config_name : profile_number {

# <X.3 parameter_no> <value1> <value2>

1 1 1

2 1 1

. . .

22 0 0

}

An X.3 configuration set is a string which embodies the group of X.3

parameters and parameter values beginning with “{” and ending with “}”.

Each configuration set is identified by a configuration set name

(config_name) and an optional profile number (profile_number).

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HP CommonIO Products Bedienungsanleitung Seite 163