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7
Check that the
RING Node APS (Automatic Protection Switch) State
field displays
“Switching”.
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8
Repeat
to
for all other NEs within the ring via remote login.
To do that, enter the following:
•
The NE
TID
as
NE Name
•
LambdaUnite(R) MSS
as
NE Type
•
OSI
as
Connection Type
.
Note the following for
•
NE-B
: “Switching” will be displayed in the
RING Node APS (Automatic
Protection Switch) State
field.
•
NE-C and NE-D
: “Passthrough” will be displayed in the
RING Node APS
(Automatic Protection Switch) State
field.
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9
Re-install the fiber connection between NE-A and NE-B.
Result:
After the defined WTR time (5 minutes) a switch back to the “Working”
path is caused (a short traffic interruption of about 15 ms can be observed).
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10
Check in each NE that the
RING Node APS (Automatic Protection Switch) State
field displays “idle”.
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11
Close the
View Protection
window in each NE by clicking
Close
.
Manual ring switching
Proceed as follows to test the manual MS-SPRing/BLSR ring switching:
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1
In the
WaveStar
®
CIT
System View
of NE-A, select
Fault
→
Protection Switch
{
.
Result:
The
Protection Switch
window appears.
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2
Select the existing
2F MS-SPRing#
(SDH) or
2F BLSR#
(SONET) in the
Ptn Grp
tab
on the left-hand side of the window and click the
Select
button.
Network establishment and testing
2-fiber MS-SPRing/BLSR test
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365-374-187
Issue 1, December 2005
Lucent Technologies - Proprietary
See notice on first page
10-61
E
N D
O F
S
T E P S
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