Canon USB Application Interface Board-D1, Service Manual

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Chapter 2
2-6
2.2.2 Mounting the Ferrite Core (outside North America)
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Be sure to perform the following if you are using a USB cable for connection of a USB
device.
1) When you have connected the USB cable, fit the ferrite core [1] to the cable. Be sure that
the distance shown [2] is 100 mm or less.
To prevent noise, fit the ferrite core as shown.
- Take care so that the harness is not trapped by the ferrite core.
F-2-8
2) To prevent displacement of the ferrite core, fit the USB cable with a tie-wrap [1].
3) Cut the excess of the tie-wrap [2] using nippers.
[2]
[1]