MX204-IR is a Juniper MX204 chassis with 3 fan trays and 2 power supplies, IR mode. The SDN-ready MX204 Universal Routing Platform is a cloud-grade routing platform that offers you ultra-high density and throughput in a space- and power-optimized package. The MX204 addresses the emerging edge and metro Ethernet networking needs of service providers, mobile, web-scale operators, and MSOs by delivering 400 Gbps of throughput in support of high-density 10GbE, 40GbE, and 100GbE interfacesall in just one rack unit. MX204-IR Specification Description MX204 chassis with 3 fan trays and 2 power supplies, IR mode Slots 8 10GbE, 4 100GbE Maximum 1GbE 24 Maximum 10GbE 24 Maximum 40GbE 4 Maximum 100GbE 4 System Capacity 400 Gbps Switch Fabric Capacity per Slot N/A DPCs and/or MPCs per Chassis Built-in Chassis per Rack 42 Dimensions (W x H x D) 17.6 x 1.75 x 18.7 in (44.7 x 4.45 x 47.5 cm) Maximum Weight 23.15 lbs / 10.5 kg Mounting Four-post rack Power Options 100 V to 240 V AC -40 V to -72 V DC Operating Temperature 32 to 131 F (0 to 55 C) Humidity 5 % to 90% RH, operating, noncondensing Altitude 6000 ft