Do you mean SGE2010?
If so, you can telnet to the switch. After logging in, hit Cntrl-Z. Type lcli. This brings up the cli interface. You can hit a question mark to see the commands you can type. If you hit tab, it will command-complete. You can type a ? at any point in the command and it will tell you the next options you have.
It takes some playing around and patience to learn the interface. But you don't need a manual.