Lucent Technologies LambdaUnite, Руководство по установке, Страница: 388 / 628

Result:
The
Synchronization Characteristics
window appears.
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3
Check that the following parameters are set for both external clock sources as given in
the table below. If necessary change the parameters according to section
“Provisioning
system parameters” (p. 7-13) (chapter 7).
Tab / Parameter Value
External Input 1/2 tab
Input Signal Format according to the format of the external
clock source
SSM Support see section “External timing inputs”
(p. 7-34) , Step 3 (chapter 7)
External Reference 1/2 tab
Provisioned Quality Level “PRC” (SDH) or “PRS” (SONET)
System Timing Reference Priority “1” (External Reference 1)
“2” (External Reference 2)
Assigned Port AID External Timing Input Port 1/2
Timing Port Mode Monitoring Monitored
System Timing tab
Wait To Restore 1 minute
Clock Mode Locked
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4
Verify that the NE is synchronizing onto the first clock source for at least three
minutes. To do this, select
View
→
Timing/Sync
, then the
System Timing
tab.
Result: “External Timing Input Port 1”
should be displayed in the
System
Timing Reference AID
field.
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5
Select the System Timing tab.
Result:
The following should be displayed:
•
“Normal” in the Clock mode Status field
•
“Locked” in the Clock Mode field
•
“PRC”
(SDH) or
“PRS”
(SONET) in the
System Quality Level Status
field.
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6
Disconnect the first clock source.
Stand-alone test procedures NE synchronization test
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Issue 1, December 2005