Cisco C921-4P C921-4P network switch C921-4P

The Cisco� 900 Series Integrated Services Routers (ISRs) combine Internet access, comprehensive security, and wireless services in a single high-performance device that is easy to deploy and manage. They are well suited for deployment as Customer Premises Equipment (CPE) in enterprise small branch offices and in service provider managed-service environments.

Product overview

The Cisco 900 Series ISRs deliver integrated security and threat defense, protecting networks from both known and new Internet vulnerabilities and attacks. These powerful, fixed-configuration routers provide secure broadband and Metro Ethernet connectivity. Service providers offering managed Ethernet WAN services can deploy them in customer locations as CPE. Centralized and remote management capabilities are available through web-based tools and Cisco IOS� Software for full visibility and control of network configurations at the remote site.

The 900 Series ISRs simplify the deployment of Ethernet WAN services, with end-to-end Operations, Administration, and Maintenance (OA&M), Service-Level Agreement (SLA) monitoring and verification, and configuration management.

The Cisco 900 Series ISRs come with a 4-port managed switch, providing LAN ports to connect multiple devices. Figures 1 and 2 show the C921-4P and C926-4P models.

Design



Electromagnetic compatibility



47CFR, AS/NZS CISPR22 2, CISPR22, EN55022, ICES003, EN61000-3-2, KCC, EN55024, KN24


LED indicators



Y, Yes


Product colour



Black


Rack mounting



No


Stackable



No


Logistics data



Harmonized System (HS) code



85176990


Management features



Quality of Service (QoS) support



Yes


Switch type



Managed


Network



10G support



No


IP routing



Yes


Link aggregation



Yes


Networking standards



IEEE 802.1D


Rate limiting



Yes


VLAN support



Yes


Operational conditions



Operating relative humidity (H-H)



5 - 95 %


Operating temperature (T-T)



0 - 50 �C


Storage temperature (T-T)



-40 - 70 �C


Package dimensions



Depth (package,cm)



24.13 cm


Gross Weight (Package, kg)



1.3 kg


Height (package,cm)



4.32 cm


Width (package,cm)



22.86 cm


Performance



Flash memory



2048 MB


Harmonized System (HS) code



85176990


Internal memory



1024 MB


Ports & interfaces



Basic switching RJ-45 Ethernet ports quantity



4


USB 2.0 ports quantity



1


Power



AC input frequency



50 - 60 Hz


AC input voltage



100 - 240 V


Number of power supply units



1


Power supply included



Yes


Power over Ethernet (PoE)



Power over Ethernet (PoE)



No


Product dimensions



Net Weight (Product, kg)



1.2 kg


Product Depth



24.13 cm


Product Height



4.32 cm


Product Width



22.86 cm


Protocols



Management protocols



Telnet, Simple Network Management Protocol Version 3 (SNMPv3), Secure Shell (SSH) Protocol, CommandLine Interface (CLI), and HTTP management


Security



Access Control List (ACL)



Yes


IGMP snooping



Yes


Security algorithms



802.1x RADIUS


Vendor information



Brand Name


Cisco


Warranty



1 Year(s)