joelja at bogus.com
Tue Mar 29 07:36:09 CDT 2011
check your xgmii specs...
it's ddr so there is a bit on both clock rise and fall.
On 3/29/11 5:27 AM, yifeng zhou wrote:
> As in IEEE 802.3 clause 46, in 10G Ethernet, RS and PCS may use XGMII
> interface to inter-connect.
> XGMII interface is a 32-bit wide, transmit & receive data path, working on
> frequency of 156.25HZ. So, for transmit direction, the total transmit rate
> should be 32*156.25=5Gbps, how 10G works with this interface?
> Further, on PMA, the transmit rate become 312.5M characters per lane.. how
> done this number come?
More information about the NANOG