Planet Technology Multi-Port Fast Ethernet Print Server FPS-3121 - Manual (Page 5)

Physical Installation
1. Make sure the power is OFF then connect printer to the Print Server's
printer port.
2. Connect the LAN cable to the proper connector of the Print Server.
3. Connect the other end of the LAN cable to a 10Base-T or 100Base-TX
hub or switch.
4. Connect the supplied Power Adapter.
5. Please make sure the POWER LED is light on.