GE D-GES7600 Series Installation And Operation Instructions Manual page 62

Port Mirroring
Step 1:
Move to highlight Port Mirroring from [Advanced Management] screen, and press <enter>.
You can mirror one port to Port 1.
Step 2:
Press <enter> to enter Port Mirroring Options.
Step 3: Mirror From
Press <enter> to enter Mirror From Options, listing the ports that can be mirrored from.
User's Manual
Manageable 8/9-Port Switch
58