Cisco HWIC- 4ESW 4 port WAN Interface CardCisco HWIC- 4ESW 4 port WAN Interface CardRFC RFC 2284, PPP Extensible Authentication Protocol (EAP)Has Four port 10/100 Ethernet switch interface card Cisco Router High-Speed WAN Interface cardForm Factor: HWIC-4ESW = Single-wide HWIC form factorIndicators: Link status LED: One LED per port for indicating link statusInline power LED: One LED per port system for inline power status indicationInternal Power Supply: Optional PoE system power supply available for all Cisco 2800 and Cisco 3800 series routersExternal Redundant Power Supply (RPS2300): Optional for the Cisco 2800 series and Cisco 2900 Series routersInternal Redundant Power Supply: For the Cisco 3845, 3925 and 3945 router onlyYou can also check Cisco HWIC 2FE WAN Interface Card
