Allied Telesis 48 10/100/1000T Switch With 4 SFP Slots – 48 Ports – Manageable – 3 Layer Supported – Modular – 4 SFP Slots – Optical Fiber, Twisted Pair – 1U High – Rack-mountable AT-GS980M/52-10

Cisco Catalyst WS-C3560X-24T-L-RF Layer 3 Switch – 24 Ports – Manageable – Gigabit Ethernet – 10/100/1000Base-T – Refurbished – 3 Layer Supported – Twisted Pair – 1U High – Rack-mountable – Lifetime Limited Warranty WS-C3560X-24T-L-RF