Data Rate Selection Use the Data Rate Selection subtab to provision the data rate (payload) for the TXP_MR_10G, 40E_MXP_C, 40E_TXP_C, and 40G_MXP_C card. Item Description Port Displays the port number. Rate Indicates the payload rate provisioned for the TXP_MR_10G, 40E_MXP_C, 40E_TXP_C, and 40G_MXP_C : • Sonet—Includes 10G Ethernet WAN Phy (10 Gigabit Ethernet wide area network, or 9.953328 Gbps) and OC-48 payloads. • 10G Ethernet LAN Phy—10 Gigabit Ethernet local area network or 10.3125 Gbps. Apply Applies changes made to the fields in the tab. Reset Cancels any changes to the tab and returns the fields to their last-saved settings. Help Displays context-sensitive help.