Pad Service Signals - Motorola UTA220/UTA220k User Manual

D-Channel X.25

PAD SERVICE SIGNALS

Command Extension
*
ENGAGED
FREE
PAR Parameter:
value or
Parameter: INV
ERR
RESET See PAD Reset
Service Signals
CLR See PAD Clear
Service Signals
CLR CONF
CLR DER
COM
XXX
\
BS SP
BS
CR LF
12-14
The local DTE may receive service signals from the PAD in
response to an issued PAD command or as the result of a packet
or network action. Table 12-2 shows the service signals that
may be transmitted to the local DTE by the PAD.
Table 12-2: PAD Service Signals
PAD is in the PAD command state and the
user can issue a PAD command
Response to PAD STATus command
Response to PAD STATus command
Response to set PAD command if one of the
parameters to be set is invalid or response to
set and read command or read command
PAD command is in error
Resetting by the network or remote DTE
Clearing by the network or remote DTE
Confirmation of clearing either initiated by the
CLR PAD command or by the packet
Restart on the network link or response to
packet virtual call request when the call
cannot be established
Call connected in response to a PAD Select
command or the receipt of an incoming call
(connection based upon acceptance of
incoming call by the packet)
Line delete function performed for a printing
terminal
Character delete function performed for a
printing terminal
Character delete function performed for a
display terminal
Acknowledgment of a PAD command such
as RESET or INT
UTA220/UTA220k
Reason