StarTech.com 4-Port HDMI Automatic Video Switch - 4K 2x1 HDMI Switch with Fast Switching, Auto-sensing and Serial Control BV107030-04-BLK this switch can be used

this switch can be used to share one HD panel between multiple HDMI sources such as Blu-Ray players

Those SFP modules include: SFP-SX

This KVM switch offers a built-in 2-port USB hub that's separate from your HID keyboard and mouse

Axiom 1000BASE-T SFP Transceiver for Blade Networks - BN-CKM-S-T - For Data Networking - 1 x 1000Base-T - Copper - 128 MB/s Gigabit Ethernet1 Gbit/s

StarTech.com 4-Port HDMI Automatic Video Switch - 4K 2x1 HDMI Switch with Fast Switching, Auto-sensing and Serial Control BV107030-04-BLK this switch can be usedCreate a powerful visual experience, with the ability to switch between four 4K video sources seamlessly. This 4 port HDMI switch lets you share a monitor, projector or TV with four Ultra High Definition video sources, and switch between them with minimal disruption. Impressive image quality with 4K supportThe video switch maintains Ultra HD 4K picture quality while switching between content from HDMI source devices including Blu ray players and DVD