CX4 to XFP

Nick Hilliard nick at
Fri Apr 16 11:03:48 CDT 2010

On 16/04/2010 16:48, Joel Jaeggli wrote:
> the cx4 interface is xaui 4x3Gb/s, as is xenpack. xfp is xfi 1 x 10Gb/s
> so connecting the two requires a serdes device.

you're mixing up interfaces here.  This is certainly true of the electrical
interface between transceiver and transceiver port.  However, the client
side interface is standard CX4, so any CX4 device should work fine,
including XFP CX4 (which - unlike most XFPs - will contain a serdes).


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