Cisco WS-C3750G-48PS-S Catalyst 48 Port POE Switch
48-Port Managed Gigabit PoE+ Switch with 4 10G SFP+ Uplinks 740W | Linksys: UK
NETGEAR PoE Switch 24 Port (GS348PP) 48 Port Gigabit Ethernet Switch with 24 x PoE+ 380W, Desktop/Rackmount, Sturdy Metal : Amazon.co.uk: Computers & Accessories
NORTEL 4548GT-PWR 48 PORT POE SWITCH £24.00 | AL4500A14-E6 | Business Phones | Buy Online
NETGEAR GS752TPv3 48-Port Smart Managed Pro Rackmount Gigabit PoE+ Switch w/ 4 x 1G SFP Ports (380W)
Managed Gbit 48 Ports Poe Switch with 4 SFP Optical Fiber Uplink Full Gigabit Switch Max 6kv Lightning Protection - China 48 Port Poe and Poe Switch 48 Port price | Made-in-China.com