... service 4)1 Year standard warranty cisco SPA,cisco module,cisco product,cisco router,cisco switch,network device WS-X6724-SFPGeneralNetworkingExpansion / ... )Compatible Slots1 x Expansion SlotCompliant StandardsCE, FCC Class A certified, VCCI, EN 60950, EN55022, UL 1950, IEC ... - 90%Max Altitude Operating4 kmOur Price Wide Network Science & Technology Development offers you the most competitive ...