Cisco SB-PWR-12V2A-NA . power adapter/inverter Indoor Black

SB-PWR-12V Power Adapter—A desktop 12 V 1 A power adapter. The Power Adapter is an external power adapter specifically designed for the Cisco WAP321 Wireless Access Point. It is required when PoE is not in use to supply system DC power. This power adapter can be used with other Cisco Small Business products. SB-PWR-INJ1 Power over Ethernet (PoE) Injector—An inline single-port Gigabit 802.3af PoE Injector. The PoE Injector is used to provide DC voltage to the downstream device, such as a Wireless Access Point or IP Phone when connected to a non-PoE upstream switch port. The PoE Injector has two Ethernet ports. One port connects to the non-PoE upstream device, such as a router or switch. The other port is a power sourcing port that connects to the downstream device that is PoE capable.