Cisco Systems CISCO1841-HSEC/K9-RF manual Hardware Features, Product Serial Number Location, page

Chapter 2 Overview of Cisco 1800 Series Routers (Modular)

Hardware Features

Figure 2-2 The Cisco 1861 Integrated Services Router with FXO Ports

SYS

POE

VM

	Cisco
	1800	Series
1	2

3

231626

1WAN slot

2FXO ports

3

Expansion switch port

Figure 2-3 The Cisco 1861 Integrated Services Router with BRI Ports

SYS POE VM

1

1

00

2

Cisco
1800 Se
	ries

3 4

231625

1	BRI ports	3	FXS ports
2	Power over Ethernet (PoE) ports	4	Fast Ethernet (FE) port

This chapter describes the features and specifications of the router and includes the following sections:

•Hardware Features, page 2-2

•Chassis Views, page 2-8

•Interface Numbering, page 2-9

•Interface Numbering on the 1861 Integrated Services Router, page 2-10

•Specifications, page 2-11

•Regulatory Compliance, page 2-11

Hardware Features

This section describes the basic features of Cisco 1800 series routers. It contains the following:

•Product Serial Number Location, page 2-3

Cisco 1800 Series Routers (Modular) Hardware Installation Guide

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