What is Power over Ethernet (PoE) and How Can It Change Your IP Camera Installation Life?
StarTech.com Industrial 5 Port Gigabit PoE Switch - 30W - Power Over Ethernet GbE PoE+ Network IP-30 - IESC1G50UP - PoE Injectors - CDW.com
Amazon.com: Intellinet 5-Port PoE Passthrough Gigabit Ethernet Switch - with 1 x Gigabit PoE Input, 4 x Gigabit PoE Output, 68W Power Budget via AC Power & 26W Power Budget via PoE
16-Port Gigabit Ethernet PoE Switch with Metal Casing, Desktop or Wall
Amazon.com: PoE Switch, 8 Port PoE Switch for IP Cameras with 2 Uplink Ports - Unmanaged Smart Power Over Ethernet Switch with Metal Housing & Fanless Design - 120W - Desktop - IEEE 802.3af/at : Electronics