EMS Manual

Generating Standard Events
EMS Manual—426909-005
10-34
State Transition Diagram and Events for ZSAM-
TKN-subj-netx25
(Not shown as a state, but while in “net up” state, the req queue for net svc is checked
whenever a request is put on or taken off the queue. A usage threshold event ZSAM-
EVT-util-req is sent when the req queue crossed the threshold.)
Subsystem States
Previous Current
EMS
State
Standard Event
to Be Generated ZSAM Event Number
Net down ->net up A Obj avail ZSAM-EVT-netx25-up
Net up ->net reset A -- --
Net reset ->xreset A Tran fault ZSAM-EVT-netx25-dataloss
Net reset ->net up A -- --
Net up ->net down U Obj unavail ZSAM-EVT-netx25-down
State
Transition Reason Standard Token Values
1 Received NET READY
indication from underlying
network service
ZEMS-TKN-STATE-STATE-PREVIOUS
(ZSAM-VAL-): netx25-down
ZEMS-TKN-STATE-STATE-CURRENT
(ZSAM-VAL-): netx25-up
ZEMS-TKN-CHANGE-REASON (ZSAM-VAL-
): cr-netx25-online
2 Received NET NOT READY
indication from underlying
network service
State change event not generated (only
Object Unavailable event)
3 Received RESET WITH
DATA LOSS indication from
underlying network service
State change event not generated
4 Number of resets with data
loss > N1 times (reset count)
State change event not generated (only
Transient Fault event) ZEMS-TKN-TXFAULT-
TYPE = ZSAM-VAL-tf-resets-net