Cisco C921-4P User Manual

CONTENTS
Overview of Cisco 900 Series Integrated Services Routers 1
CHAPTER 1
About Cisco 900 Series Integrated Service Routers 1
Chassis Views 2
LED Indicators 5
Power Supply 6
Specifications of Cisco 900 Series Integrated Services Routers 7
Periodic Inspection and Cleaning 7
Prepare for Router Installation 9
CHAPTER 2
Safety Recommendations 9
Safety With Electricity 9
Prevent Electrostatic Discharge Damage 10
General Site Requirements 10
Site Selection Guidelines 11
Rack Requirements 11
Router Environmental Requirements 12
Power Guidelines and Requirements 12
Network Cabling Specifications 13
Console Port Connections 13
EIA/TIA-232 13
Console Port Considerations 14
Preparing for Network Connections 14
Ethernet Connections 14
Required Tools and Equipment for Installation 14
Install and Connect the Router 17
CHAPTER 3
Hardware Installation Guide for the Cisco 900 Series Integrated Services Router
iii

Cisco C921-4P Specifications

General

Switch type	Managed
Quality of Service (QoS) support	Yes
USB 2.0 ports quantity	1
Basic switching RJ-45 Ethernet ports type	-
Basic switching RJ-45 Ethernet ports quantity	4
10G support	No
Networking standards	IEEE 802.1D
Product color	Black
Electromagnetic compatibility	47CFR, AS/NZS CISPR22 2, CISPR22, EN55022, ICES003, EN61000-3-2, KCC, EN55024, KN24
Flash memory	2048 MB
Internal memory	1024 MB
MAC address table	- entries
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 50 °C
Operating relative humidity (H-H)	5 - 95 %
Security algorithms	802.1x RADIUS
Harmonized System (HS) code	85176990

Weight and Dimensions

Depth	241.3 mm
Width	228.6 mm
Height	43.2 mm
Weight	1200 g