The AC power supply in JSA3800-DC Firewall is a hot-insertable and hot-removable field-replaceable unit (FRU): You can install it without powering off the switch or disrupting the switching function. All the JSA3800 firewalls that are powered by DC power supplies, shipped with one DC power supply pre-installed in the rear panel of the switches.
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.