China Cisco Manage Switch - 4 Port Gigabit Ethernet Switch and 2 SFP Ports 1000M fiber optic transceiver switch – HDV Manufacturer and Supplier | HDV
4-Port 1.25G Desktop Fiber Switch, with 2x SFP and 2x RJ-45 Ports Network Switch | eBay
Reliable Wholesale 4 port fiber switch For Quick Changes And Access - Alibaba.com
PoE Switch 4 Port + 2 Uplink (Fibre + RJ45) - Borer Fingerprint Access Control
MokerLink 4 Port 2.5G Ethernet Switch with 2 Port 10G SFP+ Slot, 4 x 2.5G Base-T Ports Compatible with 10/100/1000Mbps, Metal Unmanaged Fanless Small Network Switch: Amazon.co.uk: Computers & Accessories
4-Port Gigabit Ethernet Fiber Switch, with Two SFP Slots (1000M), Without Transceiver : Amazon.co.uk: Grocery