Common pairs of SONET primary states
describes the graphical representations of the common double SONET
states.
SONET primary states are rendered
graphically by changes in the base colors, line styles, and relief.
State names
In these tables, the symbolic name “
Link State Symbol
” that appears after each primary state name corresponds to the
last part of the variable name holding the state. For example,
the “ActiveProtecting” state, which has
ActiveProtecting
for symbol, has the variable ActiveProtecting associated with it in the
library.
Graphical representation of SONET
primary states
Link
State
Link State Symbol
|
Link
Base |
|---|---|
Disabled
Disabled
|
|
Inactive
Inactive
|
|
Active
Active
|
|
Active
and protecting
ActiveProtecting
|
|
Troubled
and protected
TroubledProtected
|
|
Troubled
and unprotected
TroubledUnprotected
|
|
Common pairs of SONET primary states
Link
State
Link State Symbols
|
Link
Base |
|---|---|
Disabled
in both directions
Disabled
Disabled
|
|
Disabled
in one direction, active in the other direction
Disabled
Active
|
|
Inactive
in both directions
Inactive
Inactive
|
|
Inactive
in one direction, active in the other direction
Inactive
Active
|
|
Active
in both directions
Active
Active
|
|
Troubled
and protected in one direction, active in the other direction
TroubledProtected
Active
|
|
Active
and protecting in both directions
ActiveProtecting
ActiveProtecting
|
|
Active
and protecting in one direction, inactive in the other
direction
ActiveProtecting
Inactive
|
|
Troubled
and protected in both directions
TroubledProtected
TroubledProtected
|
|
Troubled
and protected in one direction, inactive in the other
direction
TroubledProtected
Inactive
|
|
Troubled
and protected in one direction, troubled and unprotected in
the other direction
TroubledProtected
TroubledUnprotected
|
|
Troubled
and unprotected in both directions
TroubledUnprotected
TroubledUnprotected
|
|
Troubled
and unprotected in one direction, active in the other
direction
TroubledUnprotected
Active
|
|