Configuring and Managing Host-Based X.25 Links - Edition 5 (36939-90054)

98 Chapter4
Terminal and Printer Profiles
DTC PAD Profiles
13 PAD Test
Init profile
X.3 setting
Data forward 4:2
Used in data transfer.
Recommended for more performance in iX for VPLUS mode
(NS/PAD compatibility) or for character mode applications
which need to send few characters to the host.
The profile loads the X.25 line with many, small packets
each time the application requires a termination character
other than CR.
The PAD must support 4:2.
17 PAD Test
Init profile
No X.3 setting
Data forward default
Used in data transfer.
Recommended if you don’t want to change the hardcoded
initial profile set by PAD Support when an application
controls requires the setting of X.3 parameters other than
echo, break or flow control.
The user must ensure that the editing characters are <BS>
(ASCII 8) for backspace, and Control-X (ASCII24) for the
line delete character.
33 No PAD test
Init profile
X.3 setting
Data forward default
Used at connection initialization.
Recommended for more performance at the connection
initialization, or if the PAD doesn’t support the setting of
multiple Set and Read, or isn’t able to answer during the
“PAD Test” sequence in accordance with X.29
recommendations. For example, for a PAD which answers
with an X.29 PAD error at a parameter setting instead of
setting the “error bit”.
The PAD must support the X.3 setting needed by the
applications.
35 No PAD test
No init profile
X.3 setting
Data forward default
Used at connection establishment.
Recommended if the user wants to keep the profile set before
connection initialization.
The PAD must support the X.3 setting needed by the
applications.
37 No PAD test
Init profile
X.3 setting
Data forward 3:127
Used at connection initialization and during data transfer.
The PAD must support the X.3 settings required by the
applications and the 3:127 data forwarding.
The PAD must support the X.3 setting needed by the
applications.
Profile Definition Usage