eocBrEPNetPerDnLinkRate 1.3.6.1.4.1.890.1.15.5.1.8.3.1.5

The down-link payload encoded(PE) line(phy) speed (unit Mbps) in the 'Transmit'(Tx) to EP operation. For example, 224 tells the Tx rate is 224Mbps.