LSA switching logic
Link fails
LSA delay time
Link gets up
Link doesn't
get up
Initial
state
Normal state
(Switch position: Com - port A)
User definable time
(Waiting time in seconds before
the switch operates after first
detected Link Loss Alarm)
LSA control activated
(Switch position: Com - port B)
LSA control is activated
(Switch position: Com - port B)
Link gets up
LSA control is kept activated
(Switch position: Com - port B)
LSA control is kept de activated
(Switch position: Com - port A)
LSA hold time
User definable time
(Waiting time in seconds to
ensure that optical connection
has been established successfully)
User definable time
(Waiting time in seconds to
ensure that optical connection
has been established successfully)
Link doesn't
get up
LSA control is de-activated
(Switch position: Com - port A)
Link gets up
LSA hold time
Link doesn't
get up
To return the switch back to the initial state, use CLI with a command
lsareset
to reset the LSA.
4
Optical switch
user manual rev001
