Product Type | Modular Integrated Services Router |
Model | Cisco C1921 |
Series | Cisco 1900 Series |
Form Factor | Rack-mountable - 1U |
Weight | 6.8 kg |
Power Requirements | Internal AC power supply |
Power Consumption (Max) | 60W |
Power Supply Voltage | 100 - 240 V AC |
Power Supply Frequency | 50/60 Hz |
CISCO C1921 Modular Router, 2 GE, 2 EHWIC, 512DRAM, IP Base



Key Benefits

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- Modular design with 2 EHWIC slots allows scalable WAN connectivity options.
- TAA compliance makes it appropriate for procurement under federal contracts.
- Manufactured in the United States, aligning with domestic sourcing requirements and compliance policies.
Product Overview
The CISCO C1921 Modular Router is designed to deliver robust performance and modular scalability for both branch-level and enterprise networking needs. It includes 2 Gigabit Ethernet ports and 2 EHWIC slots, enabling flexible configuration options. With 512MB of DRAM, the router supports IP Base features and ensures stable performance across a range of network topologies.
The router is TAA compliant and manufactured in the United States, meeting sourcing standards for government installations. Its modular design allows for evolving connectivity strategies as business needs expand. Although specific software and interface modules are not detailed, its architecture provides a platform for deployment in environments that prioritize adaptability and long-term investment protection.
Specifications
Product Overview
Wireless Features
Wireless Capability |
Compliance & Origin
Country of Origin | United States |
TAA Compliant | Yes |
Certifications | RoHS, UL 60950-1, EN 60950-1, IEC 60950-1 |
EMI Standards | FCC Part 15 (Class A), ICES-003 (Class A), EN55022 (Class A) |
Safety Standards | UL, CSA, EN, IEC certification |
Advanced Security Features
Firewall Support | Yes (via security license) |
VPN Support | IPSec VPN, SSL VPN (with security license) |
Intrusion Prevention System (IPS) | Supported (with module and license) |
Content Filtering | Cisco IOS Firewall capabilities |
Malware Protection | Cisco IOS Zone-Based Firewall (with license) |
Interfaces
Integrated Ethernet Ports | 2 x 10/100/1000 (Gigabit Ethernet) |
EHWIC Slots | 2 |
USB Ports | 1 x USB 2.0 Type-A |
Console Port | 1 x RJ-45 RS-232 |
Auxiliary Port | 1 x RJ-45 |
Compact Flash Slot | 1 (Internal) |
WAN Interface Slots | 2 EHWICs |
DRAM | 512 MB (Upgradeable to 2.5 GB) |
Flash Memory | 256 MB (Upgradeable to 4 GB) |
Physical & Environmental
Dimensions (W x D x H) | 34.93 x 29.72 x 4.45 cm |
Rack Units | 1U |
Operating Temperature | 0°C to 40°C (32°F to 104°F) |
Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
Operating Humidity | 5% to 85% (non-condensing) |
Non-operating Humidity | 5% to 95% (non-condensing) |
MTBF | 515,000 hours |
Heat Dissipation | 205 BTU/hr (max) |
Cloud Management & Licensing
Management Interface | Cisco IOS Software CLI, Cisco Configuration Professional |
Software License | IP Base License included |
Optional Licensing Features | Data, Security, UC, Mobility licenses available |