1-58
Cisco ONS 15454 Procedure Guide, R4.0
March 2003
Chapter 1 Install the Shelf and Backplane Cable
NTP-A12 Install Ferrites
DLP-A30 Install Ferrites to Power Cabling
Step 1 If you are using block ferrites, wrap the cables once around and through the block ferrites.
Step 2 If you are using oval ferrites, pull the cable straight through the oval ferrites.
Note If you are using both block and oval ferrites, place the oval ferrite between the ONS 15454 and
the block ferrite as shown in Figure 1-26 on page 1-58.
Note Place the oval ferrite as close to the power terminals as possible and place the block ferrite within
5 to 6 inches (127 to 152 mm) of the power terminals.
Figure 1-26 Attaching Block and Oval Ferrites to Power Cabling
Step 3
Return to your originating procedure (NTP).
Purpose This task attaches ferrites to power cabling. Use a single oval ferrite
(TDK ZCAT2035-0930) and/or one block ferrite (Fair Rite 0443164151)
for each pair of cables, depending on the EIA.
Tools/Equipment Oval and/or block ferrites
Prerequisite Procedures None
Required/As Needed As needed
Onsite/Remote Onsite
Security Level None
Power terminals
32087
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