e2000mE2000 to E2000 (LSH to LSH) Singlemode 9125µm OS2 Duplex Fiber Patch Cable (E2000-E2000, APC Polish, 2.0mm, LSZH, Yellow) Fiber optic patch cable is also known as fiberYou will also need to have connected an Ethernet cable from the LAN port of a computer to the LAN port of the E2000M unit. Once you have satisfied both