Quick tech specs
- Speed 4-Port ISDN BRI S/T
- HWIC
- digital ports: 4
- Voice / fax module
- ISDN BRI ST
- for Cisco 1841, 1841 3G, 1841 ADSL2, 1921 4-pair, 1921 ADSL2+, 19XX, 28XX, 29XX, 38XX, 39XX
Know your gear
Cisco integrated services routers offer a wide variety of WAN connectivity modules to accommodate the range of application needs in customer networks. The Cisco 4-Port ISDN BRI S/T High-Speed WAN Interface Card offers BRI-S/T-port-based WAN connectivity for modular routers deployed in Small to Medium-sized Businesses (SMBs) and enterprise branch offices.