Having an SFP slot on this card allowed me. This card works as described. slot x) reconocida por el IOS. Cisco - EHWIC-4ESG= - Four port 10// Ethernet switch interface card. Item is Used in Good Condition, Tested and Working. Cisco - CISCO/K9 - C Modular Router, 2 GE, 2 EHWIC slots, DRAM, IP Base ; Interfaces: 2 x 10Base-T/Base-TX/Base-T - RJ ¦ Serial: 1 x console. . 4 slots para Enhanced High-Speed WAN Interface Card (EHWIC); 4 slots en placa para procesador de señal digital (DSP); 1 slot para Módulo de Servicios Internos. Cisco IOS Software, C Software (CUNIVERSALK9-M), Version (4)M6, RELEASE SOFTWARE (fc2). El texto del mensaje es "Unknown WAN daughter card" "WIC module not supported/. I needed to have a Fiber connection to connect to our provider on our Cisco router. En el resultado de show diag, observe el mensaje de error de WIC 0 en Slot 0. Expansion Slot(s): 2 enhanced High-Speed WAN Interface Card slots, 1 Internal Services Module slot. Se toma esta Port ID Lab Gi 1/0 R NMEES-1G Gi 1/0/2! The Switch-ES#show interface port-channel 1 trunk Port. 2 Gigabit Ethernet interfaces. [HOST]: Cisco ehwic-4esg = Enhanced High-speed Wan Interface Card – 4 x 10//Base-T Wan: Electrónica.