Cisco ONS 15454 DWDM Installation And Operation Manual page 232

NTP-G31 Install the DWDM Dispersion Compensating Units
Complies with the US Federal Drug Administration Code of Federal Regulations Title 21, Sections
Note
1040.10 and 1040.11, except for deviations pursuant to Laser Notice No. 50, dated July 26, 2001.
If protective clips are installed on the backplane connectors of the DCUs, remove the clips before
Note
installing the units.
Pull the DCU latch inward with your finger.
Step 1
Firmly slide the DCU along the guide rails until the card plugs into the receptacle at the back of the
Step 2
horizontal dispersion compensating card slot at the top of the shelf.
Note
Note
Release the finger latch.
Step 3
Note
Step 4 Verify that the DCU is engaged with the backplane by grasping and gently pulling the card handle. If the
card does not move, it is fully installed. If it moves, repeat Steps
Stop. You have completed this procedure.
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
3-42
The west DCU is commonly installed on the left side and the east DCU is commonly installed
on the right side.
Double-check the placement of the DCU(s) with your Cisco MetroPlanner shelf layout. If you
install the wrong DCU in a slot, remove the DCU and install the correct one.
It is possible to close the latch when the DCU is not completely plugged into the backplane.
Ensure that you cannot insert the DCU any further.
Chapter 3 Turn Up a Node
2 and 3.
September 2005