Cisco 3900 series User Manual

1
Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-xxxxx-xx
CONTENTS
CHAPTER 1 Overview of the Routers 1-1
Chassis Views 1-2
Cisco 2901 Chassis 1-2
Cisco 2911 Chassis 1-4
Cisco 2921 and Cisco 2951 Chassis 1-6
Cisco 3900 Series Chassis 1-8
Locating the Serial Number, PID, VID and CLEI 1-12
Labels on Cisco 2901 1-13
Labels on Cisco 2911 1-14
Labels on Cisco 2921 and Cisco 2951 1-15
Labels on Cisco 3925 and Cisco 3945 1-15
For Additional Help Locating Labels on the Router 1-16
Hardware Features 1-17
Built-in Interface Ports 1-17
Gigabit Ethernet Ports 1-17
USB Serial Console Port 1-18
Removable and Interchangeable Modules and Cards 1-18
Services Performance Engine 1-21
Service Modules 1-21
Enhanced High-Speed WAN Interface Cards 1-21
Integrated Service Modules 1-22
Packet Voice Data Modules 1-22
Memory 1-22
Power Supplies 1-24
Module and Router Power Consumption 1-25
Fans, Ventilation, and Airflow 1-25
Real-Time Clock 1-27
Secure Key 1-28
Cryptographic Accelerator 1-28
Slot, Port, and Interface Information 1-28
LED Indicators 1-30
Specifications 1-33
Periodic Inspection and Cleaning 1-47

Cisco 3900 series Specifications

General

Brand	Cisco
Model	3900 series
Category	Network Router
Language	English