On 14 Nov 2017, at 11:56 EAT, Karl Gerhard wrote:
As far as I understand the cross-coupling of clock input is only
related to SONET/SDH stuff, is that correct?
Not just SDH. SyncE allows you to do frequency synchronisation of clocks
over Ethernet transport.
http://grouper.ieee.org/groups/1394/c/20031216/Sync_Ethernet_039a_draft.pdf
Also look at the 1588 PTP documentation.
Useful for e.g LTE backhaul, or any scenario where centralised clocking
is important.
--
patrick
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