CRS328-24P-4S+RM: 24 GbEth with 802.3af/at PoE-out, 4x 10G SFP+ 1U RM case and Dual Boot Click to enlarge CRS328-24P-4S+RM is a 28 independent port switch, it has 24 Gigabit Ethernet ports, which offer different power output options: Passive PoE, low voltage PoE, 802.3af/at (Type 1 �PoE� / Type 2 �PoE+�) with auto-sensing. PoE-Out is passed over mode B pins (4,5+)(7,8-). The four SFP+ ports provide up to 10 Gbps connectivity options via either optical fiber or Ethernet modules (not included).CRS328-24P-4S+RM comes in a 1U rackmount case with 100-240 V AC 500 W power supply built-in. The device consumes up to 44 W leaving guaranteed 450 W (3x150 W per every 8 Ethernet ports) to power your PoE devices. Each port can provide up to 30 W of power with any power output option you choose.The device has a �Dual boot� feature that allows you to choose between two operating systems - RouterOS or SwOS. If you prefer to have a simplified operating system with only switch specific features, use SwOS. If you would like the ability to use routing and other Layer 3 features in your CRS, use RouterOS. You can select the desired operating system from RouterOS, from SwOS or from the RouterBOOT loader settings. All the feature set comes with disruptive price, providing best price/performance on the market.Product specifications: Details Product code CRS328-24P-4S+RM Architecture ARM 32bit CPU 98DX3236A1-BTD4C000 CPU core count 1 CPU nominal frequency 800 MHz Dimensions 443 x 305 x 44 mm License level 5 Operating System RouterOS / SwitchOS Size of RAM 512 MB Storage size 16 MB Storage type FLASH Tested ambient temperature -20 + 60 degrees C Powering Details Max Power consumption 44W PoE out 802.3af/at Number of AC inputs 1 AC input range 100-240 V Ethernet Details 10/100/1000 Ethernet ports 24 Fiber Details SFP+ ports 4 Peripherals Details Serial port RJ45 Other Details CPU temperature monitor Yes PCB temperature monitor Yes Quick Guide PDF Brochure