Cisco CISCO1812/K9 Hardware Installation Guide - Page 162
Fast Ethernet HWICs Restrictions, Fast Ethernet HWICs Supported Platforms, Chassis, HWIC-1FE
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Cisco 1- and 2-Port Fast Ethernet HWICs 1- and 2-Port Fast Ethernet High-Speed WAN Interface Cards Fast Ethernet HWICs Restrictions The following features are not supported on the Fast Ethernet HWICs: • Cisco Interswitch Link (ISL) tagging • Connectivity fault management (CFM) • Flow control • Online insertion and removal (OIR) Fast Ethernet HWICs Supported Platforms Install the Fast Ethernet HWICs in the following Cisco routers: • Cisco 1841 integrated services router • Cisco 2800 series integrated services routers • Cisco 3800 series integrated services routers Note Insert Fast Ethernet HWICs into HWIC slots only. They do not fit into WIC/VIC slots. Table 32 shows the maxmum number of each type of HWIC that may be installed, the slot locations, and slot numbering for each platform. Table 32 Supported Platforms for the Fast Ethernet HWICs Chassis Cisco 1841 HWIC-1FE HWIC-2FE 1 may be installed - Cisco 2801 Cisco 2811 Cisco 2821 Cisco 2851 Cisco 3825 Cisco 3845 1 to 2 may be installed 1 to 2 may be installed 1 to 2 may be installed 1 to 2 may be installed 1 to 4 may be installed 1 to 4 may be installed - - - - 1 to 2 may be installed 1 to 2 may be installed Slot Locations See Figure 7 on page 4 See Figure 9 on page 5 See Figure 10 on page 6 See Figure 10 on page 6 See Figure 10 on page 6 See Figure 13 on page 7 See Figure 13 on page 7 HWIC slots Slot 0 and slot 1 for HWIC-1FE only Slot 1 and slot 3 support HWICs Slot 0 to slot 3 Slot 0 to slot 3 Slot 0 to slot 3 Slot 0 to slot 3 Slot 0 to slot 3 OL-12851-01 2