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Cisco IOS features such as tunneling, data encryption, and termination of Remote Access WANs via

IPSec, Layer 2 Forwarding (L2F) and Layer 2 Tunneling Protocols (L2TP) make the Cisco 1700 an ideal

platform for building virtual private networks or outsourced dial solutions. Cisco 1700`s RISC-based

processor provides the power needed for the dynamic requirements of the remote branch office.

Cisco 1721 and 1760 Module Interfaces

The interfaces for the router are located on the rear panel of the Cisco 1721 and the front panel of the

Cisco 1760 as shown in

Figure 3

Cisco 1721 and Cisco 1760 Physical Interfaces

Kensington-compatible

locking socket

WIC 0 slot

SEE MANUAL BEFORE INSTALLATION

Model

WIC 0 OK

Cisco 1721

WIC 0

OK LED

WIC/VIC Slot 0

PWR

PVDM 0

PVDM 1

MOD

SLOT 0

Power LED

MOD

Slot 0

Router

OK LED

LEDs

PVDM 0/1

OK LEDs

The Cisco 1721 and 1760 routers feature console and auxiliary ports, single fixed LAN interfaces, two

Cisco WAN interface card (WIC) slots on the 1721, and two WIC slots and two Voice interface card

(VIC) slots on the 1760. WAN interface cards support a variety of serial, ISDN BRI, and integrated

CSU/DSU options for primary and backup WAN connectivity. All Cisco 1700 series routers include an

auxiliary port supporting 115Kbps Dial-On-Demand Routing, ideal for back-up WAN connectivity.

A WIC is inserted into one of the WIC slots, which are located on the back panel of the 1721 and the

front panel of the 1760. WICs interface directly with the processor, and cannot perform cryptographic

functions; they only serve as a data input and data output physical interface.

The physical interfaces include a power plug for the power supply and a power switch. The router has

one Fast Ethernet (10/100 RJ-45) connector for data transfers in and out. The module also has two other

RJ-45 connectors on the back panel for a console terminal for local system access and an auxiliary port

Cisco 1721, 1760, 2621XM, 2651XM, 2691, 3725, and 3745 Modular Access Routers and 7206-VXR NPE-400 Router FIPS 140-2 Non-Proprietary

OL-6083-01

Figure

Console port

CONSOLE

DSU

56K

10/100 ETHERNET

FDX

100

LINK

AUX

10/100-Mbps

Ethernet port

FDX/100/

Auxiliary port

LINK LEDs

WIC/VIC Slot 1

Console port

10/100 ETHERNET

SLOT 1

ACT

COL

FDX

100

LINK

Ethernet

Slot 1

LEDs

port

LEDs

The Cisco 1721, 1760, 2621XM, 2651XM, 2691, 3725, 3745, and 7206 VXR NPE-400 Routers

WIC 1 slot

MOD OK

WIC 1 OK

MOD OK

LED

WIC 1 OK

LED

VIC Slot 2

CONSOLE

THESE SLOTS ACCEPT ONLY VOICE INTERFACE CARDS

AUX

SLOT 2

Auxiliary

Slot 2

port

LEDs

Power switch

+5, +12, -12 VDC

Power

socket

VIC Slot 3

Cisco 1700

Series

SLOT 3

Slot 3

LEDs