Data Sheet
Cisco 800 Series ISDN Routers
The Cisco 800 Series ISDN Router offers enhanced network security and reliability through the power of Cisco IOS® technology tailored for small offices and telecommuters.
Figure 1
Cisco 800 Series routers give small offices and corporate telecommuters enhanced security, superior reliability, and safe investment with low cost of ownership

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Cisco 800 Series ISDN routers extend the power of Cisco IOS technology to small offices and corporate telecommuters. Cisco IOS technology offers enhanced security, reliability, and safe investment with low cost of ownership to enable customers to benefit from the Internet economy by increasing productivity, simplifying communication, and reducing costs. The Cisco 800 Series enables customers to benefit from value-added services such as managed network services, virtual private networks (VPNs), point-of-sale (POS) applications, and secure Internet access (refer to Figure 1).
Cisco 800 Series Benefits
Taking advantage of its expertise and leadership in Internet solutions, Cisco offers small offices and telecommuters routing solutions that provide secure and reliable access to the Internet or corporate networks.
Enhanced Security
The Cisco 800 Series routers have enhanced security features such as an integrated stateful firewall and IP Security (IPSec) encryption to enable VPNs. These features allow small offices and telecommuters to conduct business over the Internet while protecting valuable resources.
Support for CAPI 2.0
The Cisco 800 Series can be used to access popular European Internet and telematic such as faxing, file transfer, and online banking. Cisco 800 Series routers now include support Common Application Programming Interface (CAPI) Version 2.0, a feature required for several applications, including:
Easy Setup with 1-2-3 Connect
The Cisco 800 Series ships with Cisco Fast Step, a router installation utility that enables customers to access the Internet in three simple stepsthat make installing the Cisco 800 Series Router easy and fast.
1. Connect the color-coded cables.
2. Insert the installation CD for the Cisco Fast Step utility.
3. Select a German or Austrian Internet service provider (ISP) from the Cisco Fast Step screen and enter a username and password. The user is then connected to the Internet and the router automatically connects to the selected ISP while verifying that the connection is operational.
Cisco Fast Step Release makes installing the Cisco 800 Series Router easy and fast for users without previous routing or networking experience.
Superior Reliability
Because Cisco 800 Series routers are based on the same proven Cisco IOS technology used throughout the Internet, small offices can depend on them day after day, year after year. In addition, a Cisco 800 Series router provides Internet access to multiple users without being tied to a server or dedicated PC. This means that if a server on the local-area network (LAN) crashes, other users remain connected to the Internet.
Safe Investment
The Cisco 800 Series routers offer field-upgradable memory options so the latest networking features can be added when necessary. With an advanced processor and memory architecture, these routers can support future applications as customer networking needs expand. Table 1 lists the Cisco 800 Series routers that are available.
Table 1 Cisco 800 Series Models
| Model | Ethernet LAN | WAN | Analog Telephone Ports | Console Port | LAN Ports |
|---|---|---|---|---|---|
| Cisco 801 | |||||
| Cisco 802 | |||||
| Cisco 803 | |||||
| Cisco 804 |
| 1Basic Rate Interface |
Low Cost of Ownership
With Cisco IOS Software, customers using the Cisco 800 Series can reduce operational costs for training, management, installation, and deployment. The Cisco 800 Series provides key wide-area network (WAN) and ISDN optimization features, including bandwidth on demand (BoD), dial-on-demand routing (DDR), time of day/access control lists (ACLs), and always-on/dynamic ISDN (AO/DI). The Cisco 803 and 804 routers also offer an all-in-one solution that combines telephone, fax, and data communication on a single access line.
Product Features
ISDN Features
The Cisco 800 Series supports ISDN switched, leased-line connections, AO/DI, X.25 over ISDN D channel, Bandwidth Allocation Control Protocol (BACP), Multilink PPP (MLP), Compression Control Protocol (CCP) compression (up to 4:1), and BoD with load balancing for links up to 128 kbps for effective throughput up to 512 kbps. For ISDN cost control, the Cisco 800 Series supports advice of change and dynamic short hold mode. Also new in Cisco Fast Step Release 2.3 is the point-and-click ability to limit connections to one B channel.
Security
To take advantage of the unprecedented opportunities offered by communications and commerce over the Internet, private information must remain secure. Cisco Secure Integrated Software provides many technologies to build a custom security solution. The elements of security services include perimeter security, identity, monitoring, privacy, firewalls, IPSec encryption, and VPNs.
Standard Security
Perimeter security refers to the control of traffic entry and exit between network boundaries, such as between private networks, intranets, extranets, or the Internet. Cisco IOS perimeter security technologies provide a highly flexible, superior solution with features such as:
- Standard and extended ACLs
- Lock and Key (dynamic ACLs)
- Router/route authentication, authorization, and accounting (such as Password Authentication Protocol/Challenge Handshake Authentication Protocol [PAP/CHAP]), Microsoft CHAP (MSCHAP)
- Network Address Translation (NAT) (including multi-NAT)
- Token card authentication with Cisco Secure authentication
NAT eliminates the need to readdress all hosts with existing private network addresses and hides internal addresses from public view. For businesses that want to allow selected access to the network, NAT can be configured to allow only certain types of data requests such as Web browsing, e-mail, or file transfers.
Enhanced Security
- Dynamic firewallCompanies increasingly rely on internal networks and servers for accessing company data. To take advantage of the Internet as a key business tool, companies must connect their internal networks to the Internet while keeping sensitive internal data secure. Company data can be protected against unauthorized access with stateful firewalls. The integrated Cisco IOS Firewall Feature Set is a stateful firewall that provides:
Dynamic firewalls provide these vital enhanced security features. The term firewall is used by many vendors but not uniformly referred to as stateful firewalls. Firewalls that are not dynamic do not provide these enhanced security features.
Encryption and Tunneling
The Cisco 800 Series routers provide IPSec encryption technology to enable small offices and telecommuters to deploy VPNs. IPSec encryption provides privacy, integrity, and authenticity for transmission of sensitive information over the Internet. The unique end-to-end Cisco offering allows customers to implement IPSec encryption transparently into the network without affecting individual PCs. The Cisco 800 Series with IPSec encryption allows significant cost savings by using the Internet to create secure connections between small offices and teleworkers. As a component of the Cisco VPN solution, the Cisco 800 Series supports:
Manageability
Cisco 800 Series routers support management by a wide range of platforms and applications. Cisco ConfigMaker, Cisco Fast Step Software (Windows 95, 98, and NT 4.0), and CiscoView (UNIX) applications provide superior capabilities for configuration and security management, as well as performance and fault monitoring. The Cisco 800 Series supports centralized administration and management via Simple Network Management Protocol (SNMP), Telnet, or local management through the router console port.
Safe Investment
Small offices with limited time, money, and staff need to know their technology investments are safe. Field-expandable dynamic RAM (DRAM) and Flash memory allow small offices to take advantage of new Cisco IOS feature enhancements. And because the Cisco 800 Series incorporates an advanced processor and memory architecture, it can support future applications as customer networking needs expand.
Companies using the Cisco 800 Series routers can take advantage of Cisco industry-leading support options that ensure that the router stays up and running. These support services include the following:
Low Cost of Ownership
Bandwidth Optimization Features
The Cisco 800 Series reduces cost of ownership by providing best-in-class WAN optimization features to reduce networking charges. These features include:
- Dynamic advice-of-charge mode and permanent ISDN connections
- DDR dialing of the ISDN line only when needed, plus automatic termination of the connection at the end of a user session
- MLP for standards-based B-channel aggregation (RFC 1717) and BACP for obtaining BoD
- Snapshot routing for IP and Internetwork Packet Exchange (IPX), which prevents the ISDN line from being dialed only to exchange periodic routing updates
- Industry-standard STAC data compression for throughput of up to 512 kbps on ISDN models
- ACLs by time of day
- Frame Relay-over-ISDN leased lines
- X.25 D-channel packet data for maximum use of all available bandwidth
The Cisco 800 Series supports ITU-compliant X.25 service over the ISDN D channel. With this feature, a Cisco 800 Series router cost-effectively supports transaction-oriented applications such as POS authorizations. In addition, the Cisco 800 Series X.25 feature includes priority queuing to improve the responsiveness of traffic over this link.
All-in-One Solution
The Cisco 803 and 804 models provide an all-in-one solution to reduce equipment requirements and telephone charges in a small office by combining their data, telephone, and fax communications on one device and a single ISDN line. The Cisco 803 and 804 routers also provide the following features:
- Four-port 10BASE-T Ethernet hub for four direct connections to PCs or other network devices such as an Ethernet hub, printer, or fax
- Two RJ-11 interfaces for telephone devices such as telephones, fax machines, and modems
- Support for supplemental telephone features such as call transfer, call conference, call hold, call retrieve, call waiting (if offered by a user's telephone company), and distinctive ringing
Installation and Configuration Tools
Each Cisco 800 Series router includes Cisco Fast Step Software to simplify setup, monitoring, and troubleshooting. The Cisco Fast Step application leads users through three easy steps to connect to an ISP or remote corporate network. Cisco Fast Step Software includes the Cisco Fast Step monitor application, which provides users with router LAN and WAN performance statistics, fault alarms, and troubleshooting assistance (refer to Figure 2). Cisco Fast Step Software also supports automatic detection of the ISDN switch to further simplify the setup process in Cisco Fast Step.
For additional setup ease, the Cisco 800 Series routers have color-coded ports and cables to help users make proper connections. Quick reference guide documentation provides easy-to-follow installation instructions.
Figure 2
Cisco Fast Step Software makes it easy for nontechnical users to install a Cisco 800 Series Router.

Table 2 Key Features and Benefits
| 1Quality of service/Weighted Fair Queuing
2High-Level Data Link Control 3Dynamic Host Control Protocol |
Table 3 Hardware Specifications
| Model | Cisco 801 | Cisco 802 | Cisco 803 | Cisco 804 |
|---|---|---|---|---|
| Market | ||||
| Processor | ||||
| Speed | ||||
| Default DRAM1 memory | ||||
| Maximum DRAM memory | ||||
| Default Flash2 memory | ||||
| Maximum Flash memory | ||||
| NT1 | ||||
| Analog telephone ports | ||||
| REN | ||||
| Ethernet | ||||
| Console | ||||
| LEDs | ||||
| Support for Kensington-style physical lock | ||||
| Stackable | ||||
| Crossover hub switch | ||||
| Power supply |
| 1DRAM must be obtained from Cisco Systems.
2Additional Flash memory is Intel "Mini-Card" technology. |
Cisco IOS Software Feature Sets
Five Cisco IOS Software feature sets are available on the Cisco 801 through 804 and Cisco 801-CAPI and 803-CAPI routers (see following list). For details of feature support and memory requirements by model and by Cisco IOS image and version, consult the Cisco Feature Navigator (located on Cisco at www.Cisco.com) at the following URL or consult your Cisco authorized representative.
The Cisco Feature Navigator can be found at:
http://www.cisco.com/warp/public/732/support/fn/index.shtml
Physical Specifications
Dimensions (H x W x D)
Weight
Back Panel
Power Supply
LEDs
Ethernet Support
Regulatory Approvals
ISDN BRI Support
Telephone Support (Cisco 803 and 804 only)
Contact Information
For more information on the Cisco 800 Series, call:
Or contact your local Cisco office. To locate one near you, visit:
Orderability and Availability
The Cisco 800 Series routers are orderable and available today.