The Layer 3 Cisco 1- and 2-Port Fast Ethernet High-Speed WAN interface cards (HWICs) (see Figures 1 and 2) supported on the Cisco 1841, Cisco 2800, and Cisco 3800 Series Integrated Services Routers offer small-to-large-sized businesses and enterprise branch-office customers the option to add Layer 3 routed ports with many advanced features, including quality-of-service (QoS) and rate-limiting capabilities.. The Cisco Fast Ethernet HWICs are singlewide interface cards, available as a 1-port HWIC (HWIC-1FE) and as a 2-port HWIC (HWIC-2FE), that provide Cisco modular and integrated services routers with additional Layer 3 routed ports.. Features. Compatibility. Cisco 3825 / 3845. Flow control support. Yes. Internal. Yes. Network. Networking features. Ethernet, VLAN, QoS, MIB, IGMP, NAT, IPv6, GTS, MGCP, DHCP, L2TPv3, GLBP, GRE. Connectivity technology. Wired. Data link protocols. IEEE802.3 + IEEE802.2 SAP, IEEE802.3 + IEEE802.2 SNAP, IEEE 802.1Q VLAN, PPPoE, SNMP. Data transfer rate. 0.1 Gbit/s. Operational conditions. Operating relative humidity (H-H). 10 - 90%. Storage temperature (T-T). -20 - 65 °C. Operating temperature (T-T). 0 - 40 °C. Weight & dimensions. Weight. 72.57 g. Dimensions (WxDxH). 78 x 120 x 19.5 mm. Logistics data. Harmonized System (HS) code. 85177900

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