Mikrotik CRS328-24P-4S+RM network switch Managed L2/L3 Gigabit Ethernet (10/100/1000) Power over Ethernet (PoE) 1U WhiteCRS328 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