- Voice interface card
- ISDN BRI
- digital ports: 2
- for Cisco 17XX
- 39XX; Multiservice Route Processor
Cisco offers a wide variety of connectivity, expansion and upgrade modules to accommodate the range of application needs in customer networks. The network modules assure customers that they can choose a connectivity solution that fits their requirements. As modular components, they are easily and inexpensively field-upgradeable as customer requirements change.