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Northern UTA220/UTA220k User Manual

Page 89

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UTA220/UTA220k

12-13

D-Channel X.25

*Acknowledgment PAD service signal is transmitted to the local DTE as a carriage return and a
line feed.

Table 12-1:

PAD Command Set Summary

Command

Description

Response

STAT

Requests virtual call status of
the DTE

ENGAGED or FREE

CLR

Disconnects the current virtual
call

CLR CONF, CLR ERR, or CLR
DER

RESET

Resets the current virtual call

Acknowledgment PAD service
signal or ERR *

INT

Transmits an interrupt packet

Acknowledgment PAD service
signal or ERR *

SET

Sets or changes the value of
one or more of the current
parameters

Acknowledgment PAD service
signal or ERR or PAR (list of
specified parameters and INV)
*

PAR?

Requests display of the current
values of the specified
parameters

PAR (list of specified
parameters with their current
values or INV)

SET?

Requests the setting or
changing of the current values
of the specified parameters
and display the values after the
setting or changing

PAR (list of specified
parameters with their current
values or INV) or ERR

RPAR?

Requests the display from the
remote PAD of the current
values of the specified
parameters

PAR (list of specified
parameters with their current
values or INV)

RSET?

Requests the setting or
changing from the remote PAD
of the current values of the
specified parameters and
displays the values after the
setting or changing

PAR (list of specified
parameters with their current
values or INV) or ERR

PROF

Loads or Stores the current X.3
profile

Acknowledgment PAD service
signal or ERR*

PAD Select

Command

Sets up and establishes a
virtual call

COMM, ERR, or CLR xxx (see
PAD Clear Service Signals)