[FST-81X] What is the difference between FST-80x and FST-81x?

1. Different DIP switch function setting that shown as below:

Model name	FST-80x	FST-81x
DIP Switch	Switch 1:Fiber (HDX/FDX) Switch 2:UTP (Auto-negotiation / Manual) Switch 3: Speed (10/100Mbps) Switch 4: Duplex mode (Half / Full duplex mode) Switch 5: LLR (Disable / Enable) Switch 6: LLCF (Disable / Enable)	Switch 1: Flow control (Disable / Enable) Switch 2LFP function (Disable / Enable)

2. The hardware featured settings in FST-80x can be found in MC-16xx Managed Chassis as well after FST-81x or FST-80x are installed.
3. The FST-81x support IEEE 802.3ah / TS-1000 OAM function, yet FST-80x does not support.