The SRX4200 chassis have two independent, field-replaceable fan trays. Each fan tray is a hot-removable and hot-insertable field-replaceable unit (FRU); you can remove and replace the fan tray while the switch is running without turning off power to the switch or disrupting switching functions.
Stock Lot:Brand new product. Warranty (yearly), Operating?license, RMA / DOA, Optical interface, Activation (yearly) Not included in the price. Please contact store for a seprate purchase.