Quick tech specs
- 56 Kbps
- V.90
- for Cisco 1841 3G
- 18XX
- 1921 ADSL2+
- 28XX
- 38XX
- K56Flex
- V.92
- 1841 ADSL2
- 1921 4-pair
- 19XX
- 29XX
- 39XX
Know your gear
The interface cards provide cost-effective basic telephone service connectivity to allow remote router management, asynchronous dial-on-demand routing (DDR) and dial backup, dial- and fax-out modem access, and low-density remote-access-server (RAS) services. Combined with the differentiated services delivered through Cisco IOS Software, the Cisco routers offer customers best-of-breed scalability, flexibility, and investment protection-all in cost-effective, multifunctional platforms.