
20 INSTALLATION AND CONFIGURATION
3006M100-002
20-27
Procedure 13:
Attaching Electromagnetic Interference (EMI) Filters
When using some unshielded cables, an EMI filter (ferrite box) must be attached
to the cable to reduce electromagnetic emissions. The following cards require
EMI filters to be attached to their respective I/O cables:
•
Token Ring I/O
•
Ethernet LAN I/O
•
Fast Ethernet LAN I/O
•
T1/E1 CSU/DSU I/O
•
ISDN BRI-U I/O
The EMI filter is included with your equipment. See the illustration below for
attachment instructions.
Figure 20-20 Attaching the EMI Filter
lay c ab le in c en ter groo ve
on one side o f the box
an d w rap the c ab le
arou nd th at s id e of th e bo x
Fe rrite
B ox
leav e 1" (2.54 cm )
b etw ee n the
c onn ec tor an d
th e top of the box
c los e the box
S te p 1
S te p 2
Summary of Contents for CX900e
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