© 2004 Cisco Systems, Inc. All rights reserved.
Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com.
Page 15 of 19
Interface-Card Support Cisco 2801 Cisco 2811 Cisco 2821 Cisco 2851
Gigabit Ethernet HWICs
HWIC-1GE-SFP No
Serial WICs
WIC-1T 1-port high-speed serial WIC
WIC-2T 2-port high-speed serial WIC
WIC-2A/S 2-port asynchronous/synchronous serial WIC
CSU/DSU WICs
WIC-1DSU-T1-V2 1-port T1/Fractional-T1 DSU/CSU WIC
WIC-1DSU-56K4 1-port 4-wire 56-/64-kbps CSU/DSU WIC
ISDN BRI WICs
WIC-1B-U-V2 1-port ISDN BRI with integrated NT1 (U interface)
WIC-1B-S/T-V3 1-port ISDN BRI with S/T interface
DSL WAN Interface Cards
WIC-1ADSL 1-port asymmetric DSL (ADSL) over POTS service
WIC
WIC-1ADSL-DG 1-port ADSL over basic telephone service with dying-
gasp WIC
WIC-1ADSL-I-DG 1-port ADSL over ISDN with dying-gasp WIC
WIC-1SHDSL 1-port G.shdsl WIC (two wire only)
WIC-1SHDSL-V2 1-port G.shdsl WIC (two or four wire) No
Analog Modem WICs
WIC-1AM 1-port analog modem WIC
WIC-2AM 2-port analog modem WIC
T1, E1, and G.703 Multiflex Trunk Voice Cards and WICs
VWIC-1MFT-T1 1-port RJ-48 multiflex trunk–T1
VWIC-2MFT-T1 2-port RJ-48 multiflex trunk–T1
VWIC-2MFT-T1-DI 2-port RJ-48 multiflex trunk–T1 with drop and insert
VWIC-1MFT-E1 1-port RJ-48 multiflex trunk–E1
VWIC-1MFT-G703 1-port RJ-48 multiflex trunk–G.703