Cisco C921-4P User Manual

CHAPTER 1
Overview of Cisco 900 Series Integrated Services
Routers
Cisco 900 Series Integrated Services Routers (ISRs) with Cisco IOS Software are high-performance devices
that are easy to deploy and manage. The routers combine Internet access, comprehensive security, and wireless
services (LTE Advanced 3.0, Wireless WAN and Wireless LAN).
• About Cisco 900 Series Integrated Service Routers, on page 1
• Periodic Inspection and Cleaning, on page 7
About Cisco 900 Series Integrated Service Routers
The Cisco 900 series Integrated Services Routers are the SOHO routers that offer unmatched throughput
levels. They are available in fixed form factors. The Cisco 900 series is best suited for small and midsize
businesses, enterprise branches and as customer premises equipment in managed services environments.
Table 1: Base models of the Cisco 900 series ISR
DSLConsole PortsWAN PortsSwitch PortsModel
None124C921-4P
None124C921J-4P
1114C926-4P
1114C927-4P
1114C927-4PM
None124C931-4P
For more information on the features and specifications of Cisco 900 Series Integrated Services Routers
(ISRs), refer to the Cisco 900 Series Integrated Services Routers datasheet.
Hardware Installation Guide for the Cisco 900 Series Integrated Services Router
1

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