HP CommonIO Products Table C-8, DTE-SpecificSignals (Continued)

Diagnostic Messages

X.25 Diagnostic Messages

Table C-8		DTE-Specific Signals (Continued)
	160 (CLEAR,		DTE-specific	CALL INDICATION with reverse charge
	RESET)		signal (generic).	requested has been received, and reverse charge
				is configured to be rejected by system.
				CALL INDICATION with reverse charge
				requested has been received by IP and reverse
				charge is configured to be rejected for that
				IP/X.121 address pair. Check is done via IP to
				X.121 address map table.
				CALL INDICATION with reverse charge
				requested has been received by IP and no entry
				in the IP-to-X.121 address map table exists for
				this X.121 address. Internal problem which may
				be generated by components of X.25/9000
				architecture.
	161		DTE	Level 2 is coming up or a SABM frame is
	(RESTART)		operational.	received. System sends RESTART REQUEST
				indicating host is up.
	162 (CLEAR,		DTE not	Either level 3 or level 2 detected as down.
	RESET)		operational.	Request delivered when network interface was
				not operational. Condition usually results in an
				error returned to the application instead of
				CLEAR. Diagnostic is used when RESTART
				INDICATION has been received by interface.
				Interface is going down. RESTART REQUEST
				was sent on network.
	163 (CLEAR,		DTE resource	Lack of memory to establish, reset, or clear a call,
	RESET)		constraint.	to process data, expedite data or
				acknowledgments, or to perform internal
				operation. This may indicate lack of network
				memory, or resource constraints on card. When
				resource constraint appears on connected circuit,
				CLEAR will be sent only if no recovery is
				possible.

252 Appendix C