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Chapter 6 Create Circuits and Low-Order Tunnels
NTP- D187 Create a Low-Order Aggregation Point
–
Unlocked,automaticInService
—Puts the circuit cross-connects in the
Unlocked-disabled,automaticInService service state and suppresses alarms and conditions.
When the connections receive a valid signal, the service state automatically changes to
Unlocked-enabled.
–
Locked,maintenance
—Puts the circuit cross-connects in the Locked-enabled,maintenance
service state. The maintenance state does not interrupt traffic flow; it suppresses alarms and
conditions and allows loopbacks to be performed on the circuit. Use Locked,maintenance for
circuit testing or to suppress circuit alarms temporarily. Change the administrative state to
Unlocked; Unlocked,automaticInService; or Locked,disabled when testing is complete. See the
“DLP-D230 Change a Circuit State” task on page 19-26
Note
A low-order aggregation point automatically transitions into the Unlocked service state after
a VC12 or VC3 circuit is created.
For additional information about circuit service states, refer to the “Circuits and Tunnels” chapter
in the
Cisco ONS 15454 SDH Reference Manual
.
•
Apply to drop ports—Uncheck this box.
Figure 6-8
Setting Attributes for a Low-Order Aggregation Point
Note
LAPs cannot be routed on an SNCP ring, so the SNCP path selectors do not apply.
Step 8
Click
Next
.
Step 9
In the Circuit Source area, choose the source node, slot, port, and VC4 for the LAP. The LAP source is
where the low-order circuits are aggregated into a single VC4. The LAP destination is where the
low-order circuits originate.
a.
From the Node drop-down list, choose the node where the LAP will originate.
b.
From the Slot drop-down list, choose the slot containing the STM-N, E3-12, DS3i-N-12, or
STM1E-12 card where the LAP will originate.
c.
Depending on the card chosen in Step
, choose the port and/or VC4 from the Port and VC4
drop-down lists.
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Страница 414: ...16 4 Cisco ONS 15454 SDH Procedure Guide R7 0 78 17194 01 Chapter 16 Power Down the Node NTP D114 Power Down the Node ...
Страница 832: ...A 14 Cisco ONS 15454 SDH Procedure Guide R7 0 78 17194 01 Appendix A CTC Information and Shortcuts Equipment Inventory ...
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