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Cisco MGX 8800/8900 Series Hardware Installation Guide
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter5 Installing the Cisco MGX Switch or Gateway
Installing the Ferrite Bead on Ribbon Connectors
Figure5-88 Snap the Ferrite Bead Closed on the Cable Leading to the PXM-UI-S3/B Back Card
Installing the Ferrite Bead on Ribbon Connectors
This section describes how to install ferrite beads on ribbon connec tors that attach to RBBN-16-T1E1
back cards. The RBBN-16-T1E1 back card is used in the following MGX chassis:
MGX 8850 (PXM45), with a Model PXM45/C card
MGX 8850 (PXM1E)
MGX 8850/B
MGX 8830 (PXM1E)
MGX 8830/B switch
MGX 8950, with a Model PXM45/C card
A ferrite bead (part number 36-0170-01) and these instructions ship with the RBBN-16-T1E1 back card.
Caution To keep EMI to a minimum and for the RBBN-16-T1E1 back card to be CE and FCC Class A compliant,
you must install two ferrite beads on each cable that attaches to the RBBN-16-T1E1 back card with a
ribbon connector.

Install the Ferrite Bead

Cables that attach to the RBBN-16-T1E1 back card with a ribbon connecto r require two ferrite beads on
each cable. Each of the cables leads to ribbon connectors 3 and 4 in Figure 5-86.
The ferrite bead locking mechanism is a plastic, snap-shut design with two fasteners along its length.
To install the ferrite bead:
Step1 If the ferrite bead is open, skip to Step2.
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