Cisco 16OC3/POS-SM Hardware Installation Guide - Page 146
WIC-4ESW Interface Card LED, WIC-4ESW Interface Card Port Numbering
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WIC-4ESW Card LAN Interface Cards Caution To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety, connect the 4-port 10/100BASE-TX Ethernet switch interface card (WIC-4ESW) only to intra-building or non-exposed wiring or cabling. The intrabuilding cable must be shielded and the shield must be grounded at both ends. Note The show vtp status command shows the maximum number of VLANs supported by the router. Although the router supports more VLANs, the WIC-4ESW interface card supports a maximum of 16 VLANs. There are no new or modified commands for use with the WIC-4ESW interface card. All commands used with the switch are documented in the Cisco IOS command reference publications. Figure 107 shows the WIC-4ESW interface card. Figure 107 WIC-4ESW Interface Card WIC 4ESW ACT 4x LNK ACT 3x LNK ACT 2x LNK ACT 1x LNK 95777 WIC-4ESW Interface Card LED The LNK (physical layer link) LED is on when the Cisco IOS software recognizes the switch and the connection is up. The ACT (activity) LED indicates that data is being transmitted or received on the slot. Additional information on the features of the card is provided in the 4-Port Ethernet Switch Configuration Notes for the Cisco 1700 Series Routers document. WIC-4ESW Interface Card Port Numbering Port numbers identify the interfaces on the modules and interface cards installed in the router. Modules and interface cards are identified by interface type, slot number, a forward slash (/), and the port number. For example, F0/0 denotes the first Fast Ethernet port of the interface card, installed in slot 0 of the router. The first port on the WIC-4ESW is always identified as "1." For the Cisco 1721 router, the ports are referred to as FastEthernet1 to FastEthernet4, no matter in what slot the card is installed. On the Cisco 1751 router and the Cisco 1760 router, the Fast Ethernet interfaces on WIC-4ESW are addressed as F/1 through F/4, depending in what slot the card is installed. (In this document, the ports will be referred to as F1 through F4.) OL-12849-01 2