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Extending Cisco End-to-End Solutions

As part of the comprehensive Cisco end-to-end networking solution, the Cisco 1700 Series routers enable businesses

to extend a cost-effective, seamless network infrastructure to the small branch ofﬁce. The Cisco 1700 Family of

access routers includes the Cisco 1751 Router and Cisco 1721 Router—a modular device optimized for data-only

connections. WAN cards work with both devices, as well as with Cisco 1600, 2600, and 3600 Series routers. They

are powered by Cisco IOS Software for robust WAN service between branches and central ofﬁces in organizations

with multiple sites. Both feature RISC-based processors to provide performance for encryption and support for

emerging broadband technologies.

The Cisco 1751 Router also shares VoIP technology and analog voice interface cards with Cisco 2600 and 3600

Series routers. This feature provides an end-to-end solution for multiservices communications between ofﬁces,

simplifying inventory needs and leveraging IT expertise across more devices in an organization.

For a complete list of physical interfaces, see Tables 3, 4, 5, and 6.

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

One Console Port

One Internal Expansion Slot

RISC Processor

Table 4

WAN Support

Asynchronous Serial Interfaces on

Serial WAN Interface Cards

ISDN WAN Interface Cards

ADSL WAN Interface Cards

Automatic speed detection; automatic duplex negotiation; 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; operates in full and half-duplex modes

RJ-45 jack with RS232 interface (plug compatible with Cisco 2500 Series

AUX port); asynchronous serial DTE with full modem controls (CD, DSR,

RTS, CTS); asynchronous serial data rates up to 115.2 kbps

RJ-45 jack with RS232 interface (plug compatible with Cisco 1000/1600/

2500 series console ports); asynchronous serial DTE; transmit/receive

rates up to 115.2 kbps (default 9600 bps, not a network data port); no

hardware handshaking such as RTS/CTS

Supports hardware-assisted services such as encryption (up to T1/E1)

Motorola MPC860P PowerQUICC at 48MHz

Interface speed: up to 115.2 Kbps; asynchronous serial protocols:

Point-to-Point Protocol (PPP), Serial Line Internet Protocol (SLIP);

asynchronous interface; EIA/TIA-232

ISDN dialup and ISDN leased line (IDSL) at 64 and 128 Kbps;

encapsulation over ISDN leased line; Frame Relay and PPP

Supports ATP adaption Layer 5 (AAL5) services and applications;

interoperates with Alcatel DSLAM with Alcatel chipset and Cisco 6130/

6260 DSLAM with Globespan chipset; ANSI T1.413 issue 2 and ITU 992.1

(G.DMT) compliant

Cisco Systems, Inc.

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