Items we recommend that can help you set up your race computers and establish a closed network to hard-wire all components together:

2-  BarCodeScanner
2- Ethernet cables 50′ or search other applicable lengths. 
1- pack Ethernet cable shorter
1 – NetGear unmanaged switch 
1 – Ethernet cable coupling 3 pack 
2 – USB Adapter 

Questions? Contact Greg@iraceready.com or call us at 801-871-8864