Data Sheet

Cisco 1751 Modular Access Router

Cisco 1751 Modular Access Router is ideally suited to help you evolve your organization into an e-Business. It supports e-Business features such as VPNs; secure Internet, intranet, and extranet access with optional firewall technology; broadband DSL and cable connectivity; and multiservice voice/video/data/fax integration. The Cisco 1751 Modular Access Router offers: • Flexibility to adapt to changing requirements • Modularity that allows you to individually configure the system to meet specific business needs • Investment protection with features and performance to support new WAN services such as broadband DSL and cable access, multiservice voice/data integration, and VPNs • Integration of multiple network functions, including an optional firewall VPN, and data service unit/channel service unit (DSU/CSU) to simplify deployment and management
Figure 1

The Cisco 1751 Router delivers these capabilities with the power of Cisco IOS Software in a modular integrated access solution. The Cisco 1751 Router provides a cost-effective solution to support e-Business applications through a comprehensive feature set including support for: • Multiservice voice/fax/data integration • Secure Internet, intranet, and extranet access with VPN and firewall • Integrated broadband DSL connectivity • VLAN support (IEEE 802.1Q) The Cisco 1751 Router, a member of the Cisco 1700 Family, features a modular architecture that enables cost-effective upgrades and additions of WAN and voice interfaces. Integrated network services and functions, such as optional firewall, DSU/ CSU, and VPN features, reduce the complexity of deploying and managing e-Business solutions. The Cisco 1751 Router offers investment protection when your business needs it, with a RISC architecture and features to support new technologies and applications such as voice/ video/data/fax integration and VPNs. See Figure 2.

The Cisco 1751 Router delivers a versatile e-Business WAN access solution.

Cisco Systems, Inc. All contents are Copyright © 1992–2003 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. Page 1 of 19

and an auxiliary port. and 3600 Series routers. Inc. Includes all the features needed for immediate integration of data and voice services with support for up to two voice channels (32 MB Flash and 96 MB DRAM. an autosensing 10/100BaseT Fast Ethernet LAN port supporting standards-based IEEE 802. Table 1 The Cisco 1751 Modular Access Router Cisco 1751 Base Model Includes everything an office needs for data networking now (32 MB Flash. Integrated Services Digital Network Basic Rate Interface (ISDN BRI). and 3600 Series routers. The Cisco 1751 Router supports the same WAN interface cards as the Cisco 1600. Cisco 1751 Router with Series Router with Cisco IOS Firewall ISDN/DSL/T1/FR Agents VPN Tunnels ISP Internet Service Provider with Hosted E-Mail Service Customers Internet Supplier Fax Cisco 1751 SerCiscowith Router IOith Cisco IOS Firewall E-Business Application and Web Servers Telecommuter/ Branch Office The Cisco 1751 Router is available in two models that enable you to easily tailor an access solution to suit your e-Business requirements today and in the future. 2600. and other employees and offices. Inc. See Table 1. WAN interface cards are available separately. Page 2 of 19 . one DSP (PVDM-256K-4). Important Notices and Privacy Statement. This simplifies support requirements. Voice and WAN interface cards are available separately. 64 MB DRAM. All contents are Copyright © 1992–2003 Cisco Systems. and Cisco IOS IP Plus Voice feature set). ADSL. 1700. and the same voice interface cards and voice-over-IP (VoIP) technology as the Cisco 1700. customers. with a simple upgrade path to full voice functionality. including synchronous and asynchronous serial. Cisco Systems. a console port. All rights reserved. and Cisco IOS IP software feature set). 2600. The WAN interface cards support a wide range of services.1Q VLAN. Cisco 1751-V Multiservice Model All Cisco 1751 models offer three modular slots for voice and data interface cards.Figure 2 Cisco 1751 Routers provide all necessary capabilities to connect to the Internet and communicate with vendors.

Inc. Figure 4 Cisco 1751 Router Incorporating Ethernet WIC to Deploy Perimeter/DMZ LAN Internet T1 Cisco 1751 Router with Cisco IOS Firewall and Dual-Ethernet DMZ LAN LAN Segment Private LAN Web Servers Combined. including multiservice voice/video/data/fax integration. Cisco Systems. Figure 3 Cisco 1751 Router Incorporating Ethernet WAN Interface Card (WIC) Deployed with Broadband Modem Internet DSL/Cable Modem Cisco 1751 Router with Cisco IOS Firewall and Dual-Ethernet LAN In addition.25. these interfaces support a comprehensive set of applications. ISDN BRI. broadband DSL and cable services. SMDS. an Ethernet interface card provides the Cisco 1751 Router with dual-Ethernet capability to support the external broadband modem devices. and T1/E1 Multiflex VWICs. and VPNs. Inc. Additionally. Network and User Side Voice BRI (ISDN BRI NT/ TE). All contents are Copyright © 1992–2003 Cisco Systems. Frame Relay. Page 3 of 19 .and serial with DSU/CSU options for primary and backup WAN connectivity. Ear & Mouth (E&M). direct inward dial (DID). Important Notices and Privacy Statement. Foreign Exchange Station (FXS). dual-Ethernet capability on the Cisco 1751 Router enables the creation of perimeter/DMZ (demilitarized zone) LANs to enhance security by physically separating private and public data. All rights reserved. See Figure 4. See Figure 3. X. The voice interface cards support Foreign Exchange Office (FXO).

cost-effective answer. Small Branch Office Branch Office PBX Phone KTS/PBX Fax 2-12 Analog Ports (Calls) Cisco 1751 PSTN Fax Up to 60 Calls V Cisco 2600 Intranet Leased Line Frame Relay ISDN Headquarters Up to 288 Calls PBX Fax V IP IP Phone MCM Gatekeeper V Cisco 3600 Cisco Voice Manager (CVM) Lower Cost of Ownership—The Cisco 1751 Router provides a complete solution for integrated voice and data access in a single product. The Cisco 1751 Router enables network managers to save on long-distance interoffice billing costs. Inc. Important Notices and Privacy Statement. Multiservice Access—For businesses that want to become e-Businesses and incorporate applications that integrate multiservice voice/video/data/fax capabilities now or in the future. dynamic firewall. Interchangeable WAN interface cards enable easy additions or changes in WAN technologies without requiring a forklift upgrade of the entire platform. All contents are Copyright © 1992–2003 Cisco Systems. Figure 5 Voice/video/data/fax integration. key telephone systems (KTS) units. eliminating the need to install and maintain a large number of separate devices. significantly lowering toll charges for small. Page 4 of 19 . It also interoperates with next-generation voice-enabled applications such as integrated messaging and Web-based call centers. You can combine optional functions—including a voice gateway. ISDN network Cisco Systems. and PBX (including digital PBXs)—minimizing capital costs. DSU/CSU. Modular data and voice slots enable users to tailor data and voice services as needed. With the ability to use the same field-upgradable WAN and voice interface cards across multiple Cisco access router platforms. Inc. The Cisco 1751 Router integrates data and voice capabilities.Key Benefits The Cisco 1700 Series routers support the value of end-to-end Cisco network solutions with the following benefits: Flexibility—The modular Cisco 1751 Router adapts easily to fit the needs of growing businesses.and medium-sized businesses and enterprise small branch offices. the Cisco 1751 Router offers a flexible. See Figure 5. The Cisco 1751 Router works with the existing telephone infrastructure—phones. the Cisco 1751 Router reduces requirements for spare parts inventory and support training. fax machines. VPN tunnel server. All rights reserved.

Table 2 Key Features and Benefits Features Flexibility Full Cisco IOS Software support. Page 5 of 19 . dynamic access control. All contents are Copyright © 1992–2003 Cisco Systems. and more—to reduce deployment and management costs. and broadband DSL and cable communications to enable today’s successful e-Business. Java blocking. per-application-based. 1700. key units. and modular slots provide solid investment protection.termination-1 (NT1) device. and 3600 routers Autosensing 10/100 Fast Ethernet Expansion Slot on Motherboard • Adds flexibility and investment protection • Reduce cost of maintaining inventory • Lower training costs for support personnel • Protect investments through re-use on various platforms • Simplifies migration to Fast Ethernet performance in the office • Allows expandability to support hardware-assisted encryption at T1/E1 speeds • Allows support for future technologies • Allow expandability to support additional voice channels Dual DSP Slots Security The Cisco IOS Firewall Feature Set includes context-based access control for dynamic firewall filtering. see Table 2. SNA) and bridging • Provides the industry’s most robust. scalable. Apple Talk. 2600. All rights reserved. and encryption • Allows internal users to access the Internet with secure. Inc. including multiprotocol routing (IP IPX. and PBXs. The Cisco 1751 incorporates services such as multiservice voice/video/data/fax integration. IBM/ . denial-of-service detection and prevention. An internal expansion slot on the mother.board offers the ability to support hardware-assisted IPSec data encryption at T1/E1 speeds. Important Notices and Privacy Statement. Investment Protection—The Cisco 1751 Router RISC architecture. while preventing unauthorized Internet users from accessing the internal LAN Cisco Systems. real-time alerts. For a complete list of Cisco 1751 Router features and benefits. Cisco IOS Software. Inc. eliminating the need for a costly phone-equipment upgrade Modular Architecture Accepts an array of WAN and voice interface cards WAN interface cards and voice interface cards are shared with Cisco 1600. This solution can be managed remotely using network management applications such as CiscoWorks2000 and CiscoView or any SNMP-based management tool. Intrusion Detection System (IDS). and feature-rich internetworking software support using the de facto standard networking software for the Internet and private WANs • Part of the Cisco end-to-end network solution Benefits Integrated Voice and Data Networking Cisco 1751 router chassis accepts both WAN and voice interface cards • Reduces long-distance toll charges by allowing the data network to carry interoffice voice and fax traffic • Works with existing handsets. VPNs.

configuration. Inc. and alleviate scaling issues by logically segmenting the physical LAN infrastructure into different subnets • Allow central monitoring. L2TP L2F .509v3 digital certification. Important Notices and Privacy Statement. TACACS+ .Table 2 Key Features and Benefits (Continued) Features IPSec DES and 3DES Benefits • Enable creation of VPNs by providing industry-standard data privacy. and diagnostics for all functions integrated in the Cisco 1751 router. configure and monitor a Cisco access router without requiring knowledge of Cisco IOS Command Line Interface (CLI) Manageable via SNMP (CiscoView. CiscoWorks2000). reducing management time and costs • Simplifies router and security configuration through smart wizards to enable customers to quickly and easily deploy. All contents are Copyright © 1992–2003 Cisco Systems. VPN Tunneling IPSec. and support for certificate enrollment protocol (CEP) with certification authorities (CAs) such as Verisign and Entrust User Authentication PAP/CHAP RADIUS. and console port Cisco SDM Cisco Systems. Telnet. and allows the router to terminate site-site VPNs initiated by IOS routers using the Cisco Easy CPN client feature Cisco Easy VPN client Cisco Unified VPN Access Server Management IEEE 802. provide better bandwidth utilization. integrity. Inc.1Q VLAN Support • VLANs enable efficient traffic separation. All rights reserved. X. • Ensure proper identity and authenticity of devices and data • Enable scalability to very large IPSec networks through automated key management • Support all leading user identity verification schemes • Offer choice of standards-based tunneling methods to create VPNs for IP and non-IP traffic • Allow standards-based IPSec or L2TP client to interoperate with Cisco IOS tunneling technologies • Fully interoperable with public certificate authorities and IPSec standards-based products • Part of the scalable Cisco end-to-end VPN solution portfolio • Allows the router to act as remote VPN client and have VPN policies pushed down from the VPN concentrator • Allows the router to terminate remote access VPNs initiated by mobile and remote workers running Cisco VPN client software on PCs. GRE. Page 6 of 19 . and authenticity as data traverses the Internet or a shared public network • Supports up to 168-bit encryption • Supports wire-speed encryption up to T1/E1 speeds Hardware-Based Encryption Using Optional VPN Module Device Authentication and Key Management IKE.

color-coded ports/cables. asynchronous serial. IBM/SNA. bandwidth-on-demand (BOD) and OSPF-on-demand circuit. X. Page 7 of 19 . command-line. and AppleTalk).25 over ISDN D • WAN optimization—including dial-on-demand routing (DDR). encryption. and LED status indicators • Simplifies and reduces deployment time and costs with graphical LAN/VPN policy configurator. Snapshot routing. firewall. compression. . Broadband Connectivity Options ADSL and cable connectivity deliver business-class broadband access • Allocates WAN bandwidth to priority applications for improved performance • Improves network reliability and enables scalability to large networks • Leverage broadband access technologies like cable and DSL to increase WAN connectivity speeds and reduce WAN access costs • The Cisco 1751 supports ADSL connectivity with ADSL WIC • Cable connectivity with the Cisco 1751 and optional integrated Cisco uBR910 Series Cable DSU deliver business-class broadband access Device Integration Integrated router. Inc. and transparent bridging over ISDN. Switched 56. SMDS. and X. and straightforward cabling • LEDs allows quick diagnostics and troubleshooting • Simplifies deployment and reduces Internet access costs Benefits Network Address Translation (NAT) and Easy IP QoS CAR. WFQ. . PQ/CBWFQ. All rights reserved.Table 2 Key Features and Benefits (Continued) Features Ease of Use and Installation Cisco ConfigMaker. context-sensitive configuration questions. Frame Relay. All contents are Copyright © 1992–2003 Cisco Systems. and synchronous serial such as leased lines. Inc. high-performance communications across both intranets and the Internet: • Multiprotocol routing (IP. IPX. DSU/CSU. . SETUP configuration utility.25. voice gateway. scalable routing protocols such as OSPF EIGRP and HSRP . Reliability and Scalability Cisco IOS Software. VPN tunnel server. and spoofing to reduce WAN costs Cisco Systems. RSVP DSCP cRTP MLPPP and LFI . dial-on-demand routing. AutoInstall. filtering. Policy Routing. and NT1 in a single device • Reduce costs and simplifies management Cisco IOS Technology Internet and Intranet Access Cisco IOS Software provides an extensive set of features that make the Cisco 1751 Router ideal for flexible. Important Notices and Privacy Statement. GTS. dual-bank Flash memory.

and data encryption. and AppleTalk traffic. For remote access. The Cisco 1700 Series routers also support the Cisco Unified VPN Access Server feature that allows a Cisco 1700 router to act as a VPN head-end device. To increase security.Security Cisco IOS Software supports an extensive set of basic and advanced network security features. This flexibility makes it possible for mobile and remote workers. integrity. IPX. and more. traffic type. Weighted Fair Queuing (WFQ). application. to access company intranet where critical data and applications exist. Additionally. and other parameters. to ensure that business-critical data and delay-sensitive voice are appropriately prioritized. managed VPN service providers and enterprises who must deploy and manage numerous remote sites and branch offices with IOS routers for VPN will realize the greatest benefit. authorization. without compromising data performance. including Resource ReSerVation Protocol (RSVP). While customers wishing to deploy and manage site-to-site VPN would benefit from Cisco Easy VPN client because of its simplification of VPN deployment and management. and Layer 2 Tunneling Protocol (L2TP) combine with IPSec encryption to provide a secure multiprotocol solution for IP. including access control lists (ACLs). Security policies can be pushed down to the remote office routers from the Cisco 1700 Series routers. and authenticity as data travels through a public network. and RADIUS). All rights reserved. Important Notices and Privacy Statement. VPNs. As such. The Cisco 1700 Series routers support the Cisco Easy VPN client feature that allows the routers to act as remote VPN clients. This solution makes deploying VPN simpler for remote offices with little IT support or for large deployments where it is impractical to individually configure multiple remote devices. and IP Precedence. Page 8 of 19 . make it easier than ever to deploy and monitor security applications on your Cisco router. All contents are Copyright © 1992–2003 Cisco Systems. the Cisco 1751 Router delivers quality of service (QoS) capabilities. such as sales people on the road. Mobile users can dial in to a service provider’s local point of presence (POP) and data is “tunneled” (or encapsulated inside a second protocol such as IPSec or L2TP) back to the Cisco 1751 router to securely access the corporate network via the Internet. while IPSec tunneling with data encryption standard DES and 3DES encryption provide standards-based data privacy. user authentication. a Cisco 1700 Series router running the Unified VPN Access Server can terminate remote access VPNs initiated by mobile and remote workers running Cisco VPN client software on PCs. In addition to terminating site-to-site VPNs. These features enable businesses to prioritize traffic on their networks by user. Inc. Cisco Systems. Inc. In site-to-site VPN environments. and accounting (such as PAP/CHAP. such as Cisco Security Device Manager (SDM). remote management applications. TACACS+. up to 8 voice calls can occupy a single 64K data channel simultaneously. Committed Access Rate (CAR). the integrated Cisco IOS Firewall Feature Set protects internal LANs from attacks with context-based access control (CBAC) and Intrusion Detection (IDS). Cisco IOS Software QoS Features Through Cisco IOS Software. thus minimizing configuration of VPN parameters at the remote locations. the Cisco 1700 router can terminate VPN tunnels initiated by the remote office routers using the Cisco Easy VPN client. these devices can receive predefined security policies from the headquarters’ VPN head-end. Because the Cisco 1751 Router provides robust voice compression. Cisco IOS voice compression technology integrates data and voice traffic to enable efficient use of existing data networks. Layer 2 Forwarding (L2F).

and other broadband access technologies. The Cisco 1751 Router with the uBR910 series cable DSU supports business-class broadband cable as well as DSL. Important Notices and Privacy Statement. provisioning. Cisco Systems. and billing. establish VPN policies (including QoS and security). hubs. Small Branch Office Headquarters Cisco 6000 (DSLAM) ADSL WAN Cisco 72XX Cisco 1751 with ADSL Network Management and Ease of Installation The Cisco 1751 Router supports a range of network-management and ease-of-installation tools: • The Cisco Security Device Manager (SDM) is an intuitive. An internal slot on the Cisco 1751 motherboard supports an optional VPN module that provides hardware-assisted IPSec DES and 3DES encryption at T1/E1 speeds. The Ethernet WIC (WIC-1ENET) provides an alternate method of deploying DSL/cable Internet access with the use of an external modem. and troubleshooting. • Cisco ConfigMaker is a Windows wizard-based tool designed to configure a small network of Cisco routers. All contents are Copyright © 1992–2003 Cisco Systems. a comprehensive network management solution for small to medium sized networks that provides Web-based network monitoring and device configuration management. • CiscoWorks for Windows. configure and monitor a Cisco access router without requiring knowledge of Cisco IOS Command Line Interface (CLI). monitoring. SDM simplifies router and security configuration through smart wizards to enable customers to quickly and easily deploy. All rights reserved. and network address translation (NAT). For more information visit http://www. • For service • CiscoWorks2000. simplifies tasks such as network inventory management and device change.High-Performance Architecture for VPNs and Broadband Service A robust RISC architecture and Cisco IOS features enable the Cisco 1751 Router to support VPN applications with tunneling and security. the ISP provides the broadband modem. cable. and other network devices from a single PC. switches. See Figure 6. deployed in conjunction with the ADSL WIC. enables SMB and small branch customers to reap the benefits of ADSL. Inc. and configure the Dynamic Host Configuration Protocol (DHCP) server. This tool makes it easy to configure value-add security features such as the Cisco IOS Firewall Feature Set. Inc. In some cases. IPSec encryption. Figure 6 The Cisco 1751Router. Page 9 of 19 . The Cisco 1751 Router equipped with the WIC-1ADSL supports VPN over ADSL service. Cisco Service Management (CSM) provides an extensive suite of service management solutions to enable planning. web-based device management tool embedded within the Cisco IOS access routers. rapid software image deployment. the industry-leading Web-based network management suite from Cisco.

DSR.Extending Cisco End-to-End Solutions As part of the comprehensive Cisco end-to-end networking solution. 2600. asynchronous interface. Frame Relay and PPP Supports ATP adaption Layer 5 (AAL5) services and applications. 5. The Cisco 1751 Router also shares VoIP technology and analog voice interface cards with Cisco 2600 and 3600 Series routers. Serial Line Internet Protocol (SLIP). interoperates with Alcatel DSLAM with Alcatel chipset and Cisco 6130/ 6260 DSLAM with Globespan chipset. VLAN support Supports a single voice interface card with two ports per card Supports any combination of up to two WAN interface cards or voice interface cards Supports PPP and PPPoE. automatic duplex negotiation. see Tables 3. 4.2 kbps RJ-45 jack with RS232 interface (plug compatible with Cisco 1000/1600/ 2500 series console ports). They are powered by Cisco IOS Software for robust WAN service between branches and central offices in organizations with multiple sites. Important Notices and Privacy Statement. Table 3 Physical Interfaces/Architecture One 10/100 BaseT Fast Ethernet Port (RJ45) One Voice Interface Card Slot Two WAN Interface Card/Voice Interface Card Slots Ethernet WAN Interface Cards One Auxiliary (AUX) Port Automatic speed detection. This feature provides an end-to-end solution for multiservices communications between offices. asynchronous serial DTE. not a network data port). transmit/receive rates up to 115. The Cisco 1700 Family of access routers includes the Cisco 1751 Router and Cisco 1721 Router—a modular device optimized for data-only connections. All contents are Copyright © 1992–2003 Cisco Systems. seamless network infrastructure to the small branch office. no hardware handshaking such as RTS/CTS Supports hardware-assisted services such as encryption (up to T1/E1) Motorola MPC860P PowerQUICC at 48MHz One Console Port One Internal Expansion Slot RISC Processor Table 4 WAN Support Asynchronous Serial Interfaces on Serial WAN Interface Cards Interface speed: up to 115. and 3600 Series routers. operates in full and half-duplex modes RJ-45 jack with RS232 interface (plug compatible with Cisco 2500 Series AUX port). the Cisco 1700 Series routers enable businesses to extend a cost-effective. WAN cards work with both devices.413 issue 2 and ITU 992. simplifying inventory needs and leveraging IT expertise across more devices in an organization. For a complete list of physical interfaces. All rights reserved. RTS. Both feature RISC-based processors to provide performance for encryption and support for emerging broadband technologies.DMT) compliant ISDN WAN Interface Cards ADSL WAN Interface Cards Cisco Systems.1 (G. asynchronous serial DTE with full modem controls (CD.2 kbps (default 9600 bps. Inc. asynchronous serial protocols: Point-to-Point Protocol (PPP).2 Kbps. encapsulation over ISDN leased line. asynchronous serial data rates up to 115. as well as with Cisco 1600. EIA/TIA-232 ISDN dialup and ISDN leased line (IDSL) at 64 and 128 Kbps. CTS). Page 10 of 19 . and 6. ANSI T1. Inc.

async. and sync One ISDN BRI S/T One ISDN BUI U with integrated NT1 One integrated 56/64-kbps.90 analog modem WIC 1-port ADSLoISDN Wan Interface Card 1-port ADSLoPOTS WIC with Dying Gasp 1-Port ISDN BRI NT-1 WIC for 1700. 2600. 3600 and 3700 series Table 6 Voice Interface Cards for the Cisco 1751 VIC-2FXS VIC-2DID VIC-2FXO VIC-2FXO-EU VIC-2FXO-MI Two-port FXS voice/fax interface card for voice/fax network module Two-port DID (direct inward dial) voice/fax interface card Two-port FXO voice/fax interface card for voice/fax network module Two-port FXO voice/fax interface card for Europe Two-port FXO voice/fax interface card with battery reversal detection and Caller ID support (for US.T1 VIC-2FXO-M2 VIC-2FXO-M3 VIC-2E/M VIC-2BRI-NT/TE VIC-4FXS/DID1 VWIC-1MFT-T1 VWIC-2MFT-T1 Cisco Systems. four-wire DSU/CSU One integrated T1/fractional T1 DSU/CSU One-port ADSL interface One-port 10BaseT Ethernet Interface One-port G. Inc. Inc. All contents are Copyright © 1992–2003 Cisco Systems. async.Table 5 WAN Interface Cards for the Cisco 1751 Router Module WIC-1T WIC-2T WIC-2A/S WIC-1B-S/T WIC-1B-U WIC-1DSU-56K4 WIC-1DSU-T1 WIC-1ADSL WIC-1ENET WIC-1SHDSL WIC-1AM WIC-2AM WIC-1ADSL-I-DG WIC-1ADSL-DG WIC-1B-U-V2 Description One serial. and sync (T1/E1) Two low-speed serial (up to 128 kbps). Canada.T1 Two-port RJ-48 multiflex trunk . Important Notices and Privacy Statement. All rights reserved. and sync (T1/E1) Two serial.SHDSL interface One-port V. and others) [enhanced version of the VIC-2FXO] Two-port FXO voice/fax interface card with battery reversal detection and Caller ID support (for Europe) [enhanced version of the VIC-2FXO-EU] Two-port FXO voice/fax interface card for Australia Two-port E&M voice/fax interface card for voice/fax network module Two-port network Side ISDN BRI interface Four-port FXS and DID voice/fax interface card One-port RJ-48 multiflex trunk .90 analog modem WIC Two-portV. async. Page 11 of 19 .

E&M. key sets. Important Notices and Privacy Statement.FXO (Universal) Four-port Voice Interface Card . The multiservice-ready Cisco 1751-V router version includes all the features needed for immediate integration of data and voice services: • One DSP—(PVDM-256K-4) • 32-MB Flash memory • 96-MB DRAM • Cisco IOS IP/VOX Plus feature set VICs and WICs are available separately. The ISDN-BRI NT/TE VIC is used to connect to the PSTN or a PBX/KTS. The Cisco 1751 and Cisco 1751-V routers have two DSP module slots on the motherboard and a maximum of eight DSPs are supported per router.E1 G.FXO (Universal) Two-port Voice Interface Card . whereas the T1/E1 multiflex V/WIC (multiflex V/WIC) supports both data and voice services.E1 Two-port RJ-48 multiflex trunk . Page 12 of 19 . The E&M interface allows connection for PBX trunk lines (tie lines). Inc.FXS Two-port Voice Interface Card .Table 6 Voice Interface Cards for the Cisco 1751 VWIC-2MFT-T1-DI VWIC-1MFT-E1 VWIC-2MFT-E1 VWIC-2MFT-E1-DI VWIC-1MFT-G703 VWIC-2MFT-G703 VIC2-2FXS VIC2-2FXO VIC2-4FXO VIC2-2E/M VIC2-2BRI-NT/TE Two-port RJ-48 multiflex trunk . All rights reserved.703 Two-port RJ-48 multiflex trunk . and T1/E1 multiflex V/WICs.E1 with drop and insert One-port RJ-48 multiflex trunk .E1 G. FXS. and PBXs through ring voltage and dial tone. All contents are Copyright © 1992–2003 Cisco Systems. The FXS interface connects basic telephone service phones (home phones). The FXO interface allows an analog connection to the central office of the Public Switched Telephone Network (PSTN).E1 Two-port RJ-48 multiflex trunk .E and M Two-port Voice Interface Card . Cisco Systems. The Cisco 1751 can support three VIC-4FXS/DID cards with a maximum of four ports in DID mode Voice Implementation Requirements The Cisco 1751 Modular Access Router supports FXO.703 Two-port Voice Interface Card . Inc.BRI (NT and TE) 1.T1 with drop and insert One-port RJ-48 multiflex trunk . fax machines. ISDN BRI VICs.

Each VIC-2BRI-NT/TE requires 2 DSPs (PVDM-256K-8) – c. which will merge into 12. Flexi-6 (default for ED releases 12.2(8)YN) For the Early Deployment (ED) releases: Cisco IOS 12.2(8)YN) HC (default for ED releases prior to 12. VWIC-1MFT-G703. VWIC-1MFT-E1.2(8)YN or later (Note: not including 12. In For VWICs. Total DSP requirement is the sum of a. b and c. VWIC-2MFT-E1. HC and MC are used for analog1 VICs. the default DSP image for BRI VIC is changed from HC to Flexi-6. please always refer to the DSP Calculator in the following link: http://www. The DSP resources can not be shared between analog VICs and VWICs.2(11)YT) or T train releases 12.2T releases: – a. Table 8 lists IOS support for each DSP image.2T. MC ( The DSP calculator optimizes the DSP resources for your configuration and suggests CLI configurations. VWIC-2MFT-T1-DI. VWIC-2MFT-T1. MC is introduced in Cisco 1751 starting from Cisco IOS 12. Inc. please make sure to use Cisco 12.2(8)YN or 12.2(8)YN or later or T train releases 12. For 12. Analog VICs include VIC-2FXS. starting from 12. Table 7 DSP Firmware for each type of VICs VIC Type 2-port Analog VICs 4-port Analog VIC VIC-2BRI-NT/TE Firmware Support HC (default). Please use the following rules for calculating DSP requirements on the Cisco 1751: 1.DSP Requirements Cisco 1751 routers support 3 types of DSP images: high complexity (HC).2(8) YN or later releases when using MC. Inc. VIC-2FXO-M3. All contents are Copyright © 1992–2003 Cisco Systems. VWIC-2MFT-E1-DI. refer to Table 9. Table 9 lists the number of channels supported by one DSP (PVDM-256K-4) for each codec type. 12 G. Flexi-6 (default) T1/E1 VWICs 1. VIC-2FXO-M2. Page 13 of 19 . starting from 12. For example.3(2)T or later).3(2)T or later. Important Notices and Privacy Statement. Table 7 lists the default images for each type of VICs. MC (starting from 12. T1/E1 VWICs include VWIC-1MFT-T1. Therefore. 12 G. VIC-2DID. VIC-2FXO-M1. medium complexity (MC) and Flexi-6.3(2)T.2(8)YN release. VIC-2E/M. 2.VIC-4FXS/ DID 2.729 calls require four DSPs – d. VWIC-2MFT-G703 Cisco Systems. Each 2-port analog VIC requires 1 DSP (PVDM-256K-4) – b. All rights reserved.711 digital T1/E1 voice calls require two DSPs.2(8)YN release. VIC-2FXO. VIC-2FXO-EU. Flexi-6 is used for T1/E1 VWICs2 and BRI VIC.

Important Notices and Privacy Statement.2(8)YN or later 3 • T Train Releases: Cisco IOS 12. 12.2(4)YB or later 2 • T Train Releases: 6th releases of 12. All contents are Copyright © 1992–2003 Cisco Systems.729a G. 2. 12.729 and G.2(8)YN or later 1 T Train Releases: Cisco IOS 12.728 Fax Relay HC (for analog) 2 2 2 2 2 2 MC (for analog) 4 4 4 4 Flexi 6 (for VWICs & BRI VIC1) 6 3 3 2 2 3 1.2(11)YT doesn’t support Flexi-6. 2.2T or later For VIC-2BRI-NT/TE: • ED Releases: Cisco IOS 12. It doesn’t include Cisco 12.2(11)YT. Page 14 of 19 .Table 8 Cisco IOS support for DSP firmware Firmware Support HC MC IOS Release Support In all orderable IOS Releases ED Releases: Cisco IOS 12.2(11)YT doesn’t support MC.2(8)YN or 12. Cisco Systems.711 G.729ab2 /G.729b is not supported in MC or Flexi-6 images. It doesn’t include Cisco 12.726 G.723 G.2(11)YT. 12.2(11)YT doesn’t support Flexi-6. G.3(2)T or later For T1/E1 VWICs: • ED Releases: Cisco IOS 12. All rights reserved.3(2)T or later Flexi-6 1.2(11)YT. Inc. Table 9 The number of channels supported by one DSP (PVDM-256K-4) per codec type Firmware Codec G. BRI VIC support in Flexi-6 starts from 12. 3. Inc.3(2)T. It doesn’t include Cisco 12.

the Web Cache Control Protocol (WCCP). Inc. Page 15 of 19 . and Plus IPSec 3DES). All contents are Copyright © 1992–2003 Cisco Systems. The VPN encryption module requires an IOS IP Plus IPSec image. • DSL support is only in the Plus feature sets. and NHRP. RADIUS. Important Notices and Privacy Statement. • Encryption is offered in special encryption feature sets (Plus IPSec 56. and the Network Timing Protocol (NTP). All rights reserved. Table 11 Cisco 1751 Router Memory Defaults and Maximums Model Number Cisco 1751 Cisco 1751-V Multiservice Model Default FLASH/Maximum FLASH 32 MB/32 MB 32 MB/32 MB Default DRAM/Maximum DRAM 64 MB/128 MB 96 MB/128 MB The Cisco 1751 Router supports a choice of Cisco IOS Software feature sets with rich data features as well as data/ voice features (Table 12). Each feature set requires specific amounts of Flash and DRAM memory in the product. AppleTalk SMRP. the Border Gateway Protocol (BGP). Frame Relay SVC. please see Table 11. Each feature set requires specific amounts of RAM and Flash memory in the product. Inc. OSPF.Cisco IOS Software Feature Sets Table 10 DSP Modules Available on Cisco 1751 Modules PVDM-256K-4 PVDM-256K-8 PVDM-256K-12 PVDM-256K-16HD PVDM-256K-20HD DSPs 1 DSP Module 2 DSP Modules 3 DSP Modules 4 DSP Modules 5 DSP Modules The Cisco 1751 Router supports a choice of Cisco IOS Software feature sets. • Plus feature sets contain L2TP. RSVP. • Cisco IOS IP base feature sets include: NAT. IP Muliticast. L2F. For default memory configurations. Cisco Systems. the NetWare Link Services Protocol (NLSP).

5= CD17-Q7HVK2- Feature Name IP/Voice Plus IP/Voice Plus ADSL IP/Voice Plus IPSec 56 (DES) ADSL IP/Voice/FW/IDS Plus ADSL IP/Voice/FW/IDS Plus IPSec 56 ADSL IP/Voice Plus IPSec 3DES ADSL IP/Voice/FW/IDS Plus IPSec 3DES ADSL IP/IPX/Voice/FW/IDS Plus ADSL IP/IPX/AT/IBM/FW/IDS Voice Plus IPSec 56 (DES) ADSL IP/IPX/AT/IBM/FW/IDS/Voice Plus IPSec 3DES ADSL Product Code S17CVP-12105YB S17C7VP-12105YB S17C7VL-12105YB S17C7HV-12105YB S17C7HVL-12105YB S17C7VK2-12105YB S17C7HVK2-12105YB S17B7HPV-12105YB S17Q7HVL-12105YB S17Q7HVK2-12105YB CD Number CD17-C7VP-12.5= Cisco 1751 Router Data/Voice Software Feature Packs for Cisco IOS Release 12.1.5= CD17-CH-12.5= CD17-B-12.5= CD17-C7HK2-12.5= CD17-C7VL- CD17-C7VK2-12.1.1.(5)YB Feature Name IP IP ADSL IP Plus ADSL IP Plus IPSec 56 (DES) ADSL IP Plus IPSec 3DES ADSL IP/FW/IDS IP/FW/IDS Plus IPSec 56 (DES) ADSL IP/IPX IP/IPX/FW/IDS Plus ADSL IP/FW/IDS Plus IPSec 3DES ADSL IP/IPX/AT/IBM IP/IPX/AT/IBM Plus ADSL IP/IPX/AT/IBM/FW/IDS Plus IPSec 56 (DES) ADSL IP/IPX/AT/IBM/FW/IDS Plus IPSec 3DES ADSL Product Code S17C-12105YB S17C7-12105YB S17C7P-12105YB S17C7L-12105YB S17C7K2-12105YB S17CH-12105YB S17C7HL-12105YB S17B-12105YB S17B7HP-12105YB S17C7HK2-12105YB S17Q-12105YB S17Q7P-12105YB S17Q7HL-12105YB S17Q7HK2-12105YB CD Number CD17-C- Inc.5= CD17-Q7HVL- CD17-C-12. All contents are Copyright © 1992–2003 Cisco Systems.5= CD17-Q7P-12.5= CD17-B7HPV- CD17-C7K2-12.1.Table 12 Cisco IOS Features Cisco 1751 Router Data Software Feature Sets for Cisco IOS Release 12.5= CD17-B7HP-12.5= CD17-C7L-12. All rights reserved.1. Important Notices and Privacy Statement.1.5= CD17-C7HV-12. Page 16 of 19 .5= CD17-Q7HL-12.5= Cisco Systems.1.5= CD17-C7HVL-12.5= CD17-Q- CD17-C7HVK2-12. Inc.5= CD17-Q7HK2-12.5= CD17-C7VP-12.1.5= CD17-C7P-12.1.5= CD17-C7HL-12.1.

12) • IP Precedence • Generic Traffic Shaping (GTS) • Frame Relay Traffic Shaping (FRTS) • Weighted Random Early Detection (WRED) • DSCP Marking • Compressed RTP • Multiple Link PPP & Link Fragmentation and Interleaving • Resource Reservation Protocol (RSVP) • Queuing Techniques: Weighted Fair Queuing (WFQ).728 Cisco Systems.723. All contents are Copyright © 1992–2003 Cisco Systems. All rights reserved. Priority Queuing (PQ).0 • Session Initiation Protocol 2. Important Notices and Privacy Statement.729 • G. Inc.726 • G. Inc. Page 17 of 19 . Low Latency Queuing (LLQ) and Custom Queuing (CQ) • Preclassification for IPSec Tunneling Voice Support • VoIP • VoFR • VoATM • Fax Pass Through • Fax Relay • Modem Pass Through VoIP Protocol Support • H.0 Codec Support • G.323 V2 • Media Gateway Control Protocol 1.729a • G.711 • G.1 • G.Other IOS Features Include: QoS Features • Frame Relay Fragmentation (FRF.

Important Notices and Privacy Statement.59 kg) Power • Locking connector on power socket • External Power Brick • AC Input Voltage: 100 to 240 VAC • Frequency: 50 . Inc. 5 to 95% noncondensing.4 cm) • Height: 4. (22.1 cm) • Weight (minimum): 3. 3rd Edition – EN60950 with A1 through A4 and A11 – EN41003 – TCA TS001–1997 – AS/NZS 3260 with A1 through A4 • IEC 60950 with A1 through A4 and all country deviations • NOM-019-SCFI • GB4943 – ETSI 300-047 – BS 6301 (power supply) EMI – AS/NRZ 3548 Class B • CNS-13438 – FCC Part 15 Class B – EN60555-2 Class B Cisco Systems. 3rd Edition – CSA 22. Page 18 of 19 . Inc.36 kg) • Weight (maximum): 3.Technical Specifications Dimensions • Width: 11. All rights reserved. nonoperating Safety • Regulatory Approvals – UL 1950. (10.0 lb (1. All contents are Copyright © 1992–2003 Cisco Systems.2 in.0 in.5 A • Power Dissipation: 20W (maximum) Environmental • Operating Temperature: 32 to 104 F (0 to 40 C) • Nonoperating Temperature: –4 to 149 F (–20 to 65 C) • Relative Humidity: 10 to 85% noncondensing operating.5 lb (1.60 Hz • AC Input Current: rated 1 A.0 cm) • Depth: 8.2 No 950-95. (28.7 in. measured 0.

electronic commerce. CCIE. Inc. EtherChannel. UAE • Finland • France • Germany • Greece • Hong Kong SAR • Hungary • India • Indonesia • Ireland Israel • Italy • Japan • Korea • Luxembourg • Malaysia • Mexico • The Netherlands • New Zealand • Norway • Peru • Philippines • Poland Portugal • Puerto Rico • Romania • Russia • Saudi Arabia • Scotland • Singapore • Slovakia • Slovenia • South Africa • Spain • Sweden S w i t z e r l a n d • Ta i w a n • T h a i l a n d • Tu r k e y • U k r a i n e • U n i t e d K i n g d o m • U n i t e d S t a t e s • Ve n e z u e l a • Vi e t n a m • Z i m b a b w e All contents are Copyright © 1992–2003 Cisco Systems. the iQ logo. Changing the Way We Work. MGX. and Aironet. The Fastest Way to Increase Your Internet Quotient. Cisco Unity. the Cisco IOS logo. Catalyst. Tel: 31 0 20 357 1000 Fax: 31 0 20 357 1100 Americas Headquarters Cisco Systems. Inc. GigaStack. CA 95134-1706 USA www. Augment your internal staff’s capabilities by taking full advantage of Cisco expertise. Network Registrar. All support contracts include: • Major Cisco IOS Software updates in protocol. Inc. iQ Net Readiness Scorecard. Empowering the Internet Generation. Post-Routing. CTR3. Service and support for the Cisco 1751 is available on a one-time or an annual contract basis. and fax numbers are listed on the C i s c o We b s i t e a t w w w. Capital Tower 168 Robinson Road #22-01 to #29-01 Singapore 068912 www. Live. Corporate Headquarters Cisco Tel: +65 6317 7777 Fax: +65 6317 7799 Cisco Systems has more than 200 offices in the following countries and regions. the Cisco Arrow logo. bandwidth. CCDA. the Cisco Systems logo. Inc. (0304R) ETMG 203078—MS 07/03 . the Cisco Powered Network mark. Support options range from help desk assistance to proactive. Inc. TBR21 • Canada: CS-03 • United States: FCC Part 68 • Japan: Jate NTT • Australia/New Zealand: TS013/TS-031. c i s c o . TS003 • Hong Kong: CR22 Service and Support Leading-edge technology deserves leading-edge support. ensuring optimum performance and availability. security. EtherSwitch. c o m / g o / o f fi c e s Argentina • Australia • Austria • Belgium • Brazil • Bulgaria • Canada • Chile • China PRC • Colombia • Costa Rica • Croatia Czech Republic • Denmark • Dubai.. Networking Academy. phone numbers.S. and product information • 24-hour-a-day access to the industry’s largest dedicated technical support staff A support contract maximizes the value of your technology investment throughout its All rights reserved. and VCO are registered trademarks of Cisco Systems. Contact your local sales office for further information. The use of the word partner does not imply a partnership relationship between Cisco and any other company. Cisco Press. SlideCast. MICA.. Fast Step. and iQuick Study are service marks of Cisco CCNP. CCDP. Registrar. FormShare. and Learn. onsite consultation. CCSP. ASIST. StrataView Plus. 170 West Tasman Drive San Jose. TS002. and/or its affiliates in the Tel: 408 526-7660 Fax: 408 527-0883 Asia Pacific Headquarters Cisco Systems. Inc. Cisco.– EN55022 Class B – VCCI Class II – CISPR-22 Class B • EN55024 comprised of: – IEC 1000-4-2 (EN61000-4-2) – IEC 1000-4-3 (ENV50140) – IEC 1000-4-4 (EN61000-4-4) – IEC 1000-4-5 (EN61000-4-5) – IEC 1000-4-6 (ENV50141) – IEC 1000-4-11 – IEC 1000-3-2 Network Homologation • Europe: SMARTnet. and StackWise are trademarks of Cisco Systems. Inc. CA 95134-1706 USA www. Cisco Systems Capital. the Cisco Certified Internetwork Expert logo. CCIP. Pre-Routing. Packet. Stratm. TeleRouter. Cisco Systems. Enterprise/Solver. IOS. ScriptShare. IP/TV. LightStream. TransPath. Follow Me Browsing. and certain other countries. for technical assistance. Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 European Headquarters Cisco Systems International BV Haarlerbergpark Haarlerbergweg 13-19 1101 CH Amsterdam The Netherlands www-europe. 170 West Tasman Drive San Jose. Cisco Internet Quotient. All other trademarks mentioned in this document or Web site are the property of their respective owners. Addresses. and feature improvements • Full access to Cisco. RateMUX. BPX. PIX. the Networkers logo. iQ Expertise.

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