Cisco Systems 1600 manual Introduction Hardware Overview

Cisco 1600 Series Router Architecture

Introduction

Hardware Overview

Block Diagram

Memory Details

Boot Sequence

Packet Switching Related Information

Introduction

This document is an overview of the hardware and software architecture of the Cisco 1600 Series Routers.

Hardware Overview

Cisco 1600 Series routers are composed of the following router models:

∙Cisco 1601 and 1601R: Ethernet/Serial Modular Router

∙Cisco 1602 and 1602R: Ethernet/Serial Modular Router with 56K CSU/DSU (4−wire)

∙Cisco 1603 and 1603R: Ethernet/ISDN−BRI (S/T interface) Modular Router

∙Cisco 1604 and 1604R: Ethernet/ISDN−BRI Modular Router with NT1 (U interface)

∙Cisco 1605R: Dual Ethernet Modular Router

In addition, all the 1600 router models have one WAN interface card (WIC) slot where you can insert one of the WAN Interface Cards for the Cisco 1600 Series.

For more information, see Cisco 1600 Series − Modular Desktop Access Routers Product Catalog.

Figure 1: Cisco 1601 and 1601R Rear Panel

Figure 2: Cisco 1602 and 1602R Rear Panel

Figure 3: Cisco 1603 and 1603R Rear Panel

Cisco 1600 Series Router Architecture