Sun Microsystems 3U 用户手册
90
SunATM 3U CompactPCI Adapter Installation and User’s Guide • February 2001
Setting Up an ATM Connection Over a Switched
Virtual Circuit (SVC)
Virtual Circuit (SVC)
After connecting to the Q.93B driver, either by directly calling the functions as a user
application or by having a setup program connect your application driver as
described in the preceding section, the Q.93B driver is available to your application
to establish switched virtual circuits (SVCs) using the Q.2931 signalling protocol.
The Q.2931 message set is displayed in
application or by having a setup program connect your application driver as
described in the preceding section, the Q.93B driver is available to your application
to establish switched virtual circuits (SVCs) using the Q.2931 signalling protocol.
The Q.2931 message set is displayed in
TABLE C-1
Messages Between the User and the Q.93B Driver
Message Type
Direction*
SETUP
BOTH
SETUP_ACK
UP
CALL_PROCEEDING
BOTH
ALERTING
BOTH
CONNECT
BOTH
CONNECT_ACK
UP
RELEASE
DOWN
RELEASE_COMPLETE
BOTH
STATUS_ENQUIRY
DOWN
STATUS
UP
NOTIFY
BOTH
RESTART
BOTH
RESTART_ACK
BOTH
ADD_PARTY
BOTH
ADD_PARTY_ACK
BOTH
ADD_PARTY_REJECT
BOTH
PARTY_ALERTING
BOTH
DROP_PARTY
BOTH
DROP_PARTY_ACK
BOTH
LEAF_SETUP_FAIL
BOTH
LEAF_SETUP_REQ
BOTH
*UP is from Q.93B to user;
DOWN is from user to Q.93B
DOWN is from user to Q.93B