Cisco ONS 15454 Procedure Manual page 59

Chapter 1 Install the Shelf and Backplane Cable
DLP-A31 Attach Ferrites to Wire-Wrap Pin Fields
Purpose
Tools/Equipment
Prerequisite Procedures
Required/As Needed
Onsite/Remote
Security Level
Wrap the cables once around and through the block ferrites and pull the cables straight through the oval
Step 1
ferrites.
Place the oval ferrite as close to the wire-wrap pin field as possible and between the ONS 15454 and the
Step 2
block ferrite, as shown in
of the wire-wrap pin field.
Figure 1-27 Attaching Ferrites to Wire-Wrap Pin Fields
Return to your originating procedure (NTP).
Step 3
March 2003
This task attaches ferrites to wire-wrap pin fields. Use an oval ferrite
(TDK ZCAT1730-0730) and block ferrite (Fair Rite 0443164151) for each
pair of cables.
attaching ferrites to wire-wrap pin fields.
Oval and block ferrites
NTP-A8 Install Wires to Alarm, Timing, LAN, and Craft Pin Connections,
page 1-34
As needed
Onsite
None
Figure 1-27. The block ferrite should be within 5 to 6 inches (127 to 152 mm)
B
Figure 1-27 on page 1-59
A
Cisco ONS 15454 Procedure Guide, R4.0
NTP-A12 Install Ferrites
shows the suggested method for
1-59