Please Download SMART Ethernet Firmware 1.5.252 for the new Ethernet option.
This Ethernet firmware is for the new Ethernet option, please check your Ethernet option before updating.
The firmware name of the new Ethernnet option is "smartnet2-fs-X.X.XXX".
You can check the firmware name by using the NetAdmin.
When the Ethernet firmware is updated, please update the OS file (smartnet2-os-1.5.140).