Cisco ONS 15454 SDH Specifications Page 226

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4-28
Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 4 Maintenance
Powering Down a Node
Procedure: Clean an Optical Connector
Step 1 Inspect the connector end surface with a video fiber connector inspection instrument.
Step 2 Remove any dust with compressed air.
Step 3 Inspect again. If there is resistant dirt or grease ( e.g. finger prints etc.), wipe the endface with the cletop
cleaning cassette.
Step 4 Inspect again. If necessary, repeat step 3.
Procedure: Clean a Feedthrough Connector
Step 1 Inspect the feedthrough connector with the naked eye.
Step 2 Remove any dust with compressed air.
Step 3 Inspect again. If there is resistant dirt or grease, or if there are mechanical defects, replace the connector.
4.7 Powering Down a Node
Note Always use the ESD wristband when working with the Cisco ONS 15454 SDH. Plug the wristband
into the ESD jack located on the right outside of the shelf assembly. The front door is grounded to
prevent electrical shock.
Note The procedure minimizes traffic outages when nodes are powered down, but traffic will be lost if you
delete and recreate circuits that passed through a working node.
Purpose Cleaning optical connectors
Tools/Equipment Video fiber connector inspection instrument
Cletop cleaning cassette
Compressed air
Prerequisite procedures
Required/As Needed Required after opening of an optical connection, if inspection showed
necessity
On Site/Remote On Site
Purpose Cleaning a feedthrough connector
Tools/Equipment Compressed air
Prerequisite procedures
Required/As Needed Required every time an optical connection is opened
On Site/Remote On Site
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