10Gtek Gigabit Ethernet Media Converter, MultiMode Dual LC Fiber to Ethernet RJ45 Converter for 10/100/1000Base-Tx to 1000Base-SX(with a SFP MMF 850-nm Module), UL Certified, up to 550-m

パッチパネルのECX 1Gbpsのポート（シングルLC）からFirewall機器の1000base-Tへのコンバートで利用。Firewallの内側からAWSにpingを飛ばし1ms未満から2msの遅延を確認。良好で満足しています。

It does what it promises. I got about 930 Mbps through it, which is what I get over plain 1000BASE-T. Im a big fan of the metal case. However, the price isnt the best. You can get one without an SFP transceiver and just buy your own transceiver off eBay. Cheap ones are plenty fast enough, and I found a 4Gbit one for less than $2 including shipping. The TP-Link alternative is about the same, metal case and all, but cheaper if you add your own transceiver.

This item worked perfectly for our situation. We had an endpoint well over 300ft away, so we ran Cat6 to the converter, and ran the remaining length with OM3 MMF out to the endpoint. The unit powered right up, negotiated at the intended 1Gb/Full Duplex, and has remained connected with no packet loss. Excellent solution for very cheap!

Items delivered on time and worked with 1 GB SM SFP Modules I already had.

My Company have use several of these. Have Never had a problem. They Just work every time

The unit turns hot. If you turn it off and on the connection stability is not guaranteed. I switched to tplink which is little pricey but very sturdy and durable. This unit is 5v versus tplink is 9v DC which matters when it comes to hi resolution audio files.

As advertised

Proprietary Hardware. Will not work with any other companys products. Doesnt work with Intel. Intel, Gigabit & Cisco are lock-out companies. This fiber optic technology isnt mainstream enough yet to interchange products. Dont make the same mistake I made. Do your research.

Got this to run fibre from my home office to the front room so the smart TV didnt keep buffering over wifi, so easy to use just plug and play with one at each of the fibre cable and all my buffering problems have gone.

roon core⇄Dela S100⇄インタネットという接続の⇄のところに使っています。再生機器、NAS はDela S100に直接接続しています。 このようなオーディオ機器とインターネット、パソコンなどとのアイソレーションにはかなり有効です。音質は見違えるように良くなります。 また、SFPモジュールは付属のものから、パナソニック、ELECOM の業務用のものに変更し、デュアルモードで使っていますが、SFPモジュールによる音質差は大きいので、余裕が有れば交換をお勧めします。 再生機器とDela S100の間に使ってしまうと、この機器自体のノイズが再生機器に影響し、あまりいい結果は得られないと思いますので、そこはSonore等を使った方がいいと思います。