Cisco 1841路由器支持的模塊和接口卡
    項(xiàng)目 說明 Cisco 1841
    以太網(wǎng)交換 HWIC
    HWIC-4ESW 4端口單寬 10/100 BaseT以太網(wǎng)交換 HWIC
    串行 WIC
    WIC-1T 1端口串行WIC √
    WIC-2T 2端口串行 WIC √
    WIC-2A/S 2端口異步或同步串行WIC √
    CSU/DSU WIC
    WIC-1DSU-T1-V2 1端口T1/部分T1 CSU/DSU WIC √
    WIC-1DSU-56K4 1端口4線56-/64-kbps CSU/DSU WIC √
    ISDN BRI WIC
    WIC-1B-U-V2 1端口ISDN 基本速率接口 (BRI)，帶集成NT1 (U接口) √
    WIC-1B-S/T-V3 1端口ISDN BRI，帶S/T接口 √
    DSL WIC
    WIC-1ADSL 1端口的非對(duì)稱DSL (ADSL) WIC，用于基本電話服務(wù)上 √
    WIC-1ADSL-DG 1端口ADSL WIC，用在基本電話服務(wù)上，帶dying-gasp1 WIC √
    WIC-1ADSL-I-DG 1端口ADSL over ISDN，帶dying-gasp1 WIC √
    WIC-1SHDSL 1端口G.shdsl WIC (僅為兩線) √