Cisco 801-805 ISDN, Serial, and IDSL Routers

Cisco 800 Series, front view

Cisco 800 Series, rear view

The Cisco 800 Series includes four ISDN routers, one serial router, and two IDLS router models and a choice of software feature sets. The Cisco 801 model provides an ISDN Basic Rate Interface (BRI) ST interface for use worldwide. The Cisco 802 adds the integrated NT1 network termination device for use in North America. The Cisco 803 and 804 models add a four-port Ethernet hub and two RJ-11 interfaces for telephone devices such as telephones, fax machines, and modems. The Cisco 805 offers one serial port for synchronous serial connections or asynchronous dial up connections with an external modem. For IDSL connections, the Cisco 802 IDSL provides one IDSL port with one Ethernet port and the Cisco 804 IDSL adds an integrated 4-port Ethernet hub.

The Cisco 803 and 804 models also support supplementary telephone services such as call waiting, call-waiting cancel, call hold, call retrieve, three-way conferencing, and call transfer (if these services are supported by a users telephone company). For North American users, the Cisco 804 supports caller ID out the POTS port. Field upgradable Flash and DRAM memory in all Cisco 800 Series models protect equipment investments as technologies and networking requirements change.