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14-2
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 14 Power Down a Node
NTP-G119 Power Down the Node
b.
If the node is not connected to a working network and the current configurations are no longer
required, proceed to
Note
Before the power-down of a DWDM node, the fiber spans connected around it must be
disconnected from the network. This is to prevent the accidental disconnection of
wavelengths that pass through the shelf. A good indication that the shelf has been
disconnected from the network is optical service channel (OSC) alarms, or no OSC channels
provisioned.
Note
Current configurations will be saved if Steps
are skipped.
Step 4
In node view, click the
Circuits
tab and verify that no circuits appear, then proceed to
. If circuits
appear, delete all the circuits that originate or terminate in the node. Complete the
Optical Channel Network Connections” task on page 7-12
or the
“DLP-G112 Delete Overhead Circuits”
as needed.
Note
When deleting circuits from a node, make sure that the node is not connected to any network.
Step 5
In node view, click the
Provisioning > Protection
tabs and delete all protection groups:
a.
Click the protection group that needs to be deleted and click
Delete
.
b.
Click
Yes
.
Repeat until no protection groups appear.
Step 6
In node view, click the
Provisioning > Comm Channels
tabs and delete all communications channel
terminations:
a.
Click the section data communications channel (SDCC), line data communications channel
(LDCC), generic communications channel (GCC), or OSC termination that needs to be deleted and
click
Delete
.
b.
Click
Yes
.
Repeat until no SDCC, LDCC, GCC, or OSC terminations are present.
Note
Before deleting the OSC termination, make sure the Ring ID is deleted. Click the
Provisioning
> Comm Channels > OSC
tabs. Select the Ring ID and click
Delete
.
Step 7
Before deleting any installed DWDM cards, the optical patch cords have to be deleted. In the node view,
click
Provisioning > WDM-ANS > Connections
tabs.
a.
Select all the connections and click
Delete
.
b.
Click
Yes
.
Step 8
For each installed MSTP channel-bearing card (AD-1C-xx.x, AD-2C-xx.x, and AD-4C-xx.x, where xx.x
refers to the specific wavelengths), make sure all lines and bands are not in IS-NR (ANSI) or
Unlocked-Enabled (ETSI) service state:
a.
In the card view, click the
Provisioning > Optical Line > Parameters
tabs.
b.
In the Admin State column for each line, make sure that the default state IS, AINS (ANSI) or
Unlocked,automaticInservice (ETSI) is selected.
Содержание ONS 15454 DWDM
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