I have two internet provide, One providing Downlink only and the other both uplink and Downlink but lower lower bandwidth.
1. Satellite provide  1024K/0K Downlink only 
2. DSL providing  128K/128K 
Both provider have provided static IP address.
My question is possible to setup the SME 512 to use both services in one machine  or do I have setup two SME 512 gateway Server Machine for the service. Your advice will highly be appreciated
Cheers
John