Product Type | Integrated Services Router |
Model | Cisco 3945 |
Part Number | C3945-VSEC-CUBE/K9 |
Form Factor | Rack-mountable |
Mounting Type | 19-inch rack |
Power Requirements | AC 100-240V (50/60 Hz) |
Power Consumption (Max) | 260 Watts |
Redundant Power Supply Support | Yes (Optional external RPS) |
Weight | 12.7 kg (28 lb) |
Cisco 3945 Router Wired Gigabit Ethernet C3945-VSEC-CUBE/K9



Key Benefits

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- Ideal for phased migration to IP telephony thanks to multi-protocol VoIP interoperability
- Ensures robust voice services with Survivable Remote Site Telephony during WAN outages
- Compliant with TAA standards and manufactured in the U.S., suited for government or enterprise use
Product Overview
The Cisco 3945 router offers wired connectivity using Gigabit Ethernet for data, transport, and switching, ideal for enterprise-scale deployments. It enables interoperability with SIP, H.323, and MGCP, supporting phased migration to IP telephony environments. Features such as Survivable Remote Site Telephony enhance continuity in distributed infrastructures. While TAA-compliant and U.S.-manufactured, this unit does not include a processor or cellular capabilities, and is best suited for specialized, configurable routing scenarios managed via IPv6 and DHCP.
Specifications
Product Overview
Wireless Features
Wi-Fi Support |
Compliance & Origin
Country of Origin | United States |
TAA Compliant | Yes |
Certifications | FCC Part 15 Class A, UL/CSA 60950-1, CE Mark, VCCI, RoHS |
Advanced Security Features
Security Features | Zone-based firewall, Secure VPN, Intrusion Prevention System (IPS), NAT, ACLs |
VPN Support | IPSec, SSL VPN, DMVPN |
Content Filtering | Optional (via Cisco IOS security features) |
Voice Security | SRTP/Voice Encryption, Secure SIP |
Survivable Remote Site Telephony (SRST) | Yes |
Interfaces
Integrated WAN Ports | 3 x Enhanced High-Speed WAN Interface Card (EHWIC) slots |
Integrated Network Interface Modules | 2 x Network Interface Module (NIM) slots |
Integrated Services Module (ISM) Slots | 1 x ISM slot |
Service Module Slots | 3 x service module slots |
Gigabit Ethernet Ports | 4 x 10/100/1000 Ethernet ports |
USB Ports | 2 x USB 2.0 ports |
Console Ports | 1 x RJ-45 console port, 1 x USB console port |
Auxiliary Ports | 1 x RJ-45 auxiliary port |
Memory Slots | 2 x DDR2 DIMM slots |
Maximum Flash Memory | 256 MB CompactFlash (expandable to 4 GB) |
Maximum DRAM | 2 GB |
Interface Speed | 10/100/1000 Mbps auto-sensing |
Physical & Environmental
Dimensions (W x D x H) | 43.8 x 50.5 x 8.9 cm (17.25 x 19.9 x 3.5 in) |
Rack Units | 2U |
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 |
Noise Level | 63 dBA (typical) |
Cooling Type | Fan-based cooling |
Cloud Management & Licensing
Management Interface | CLI, Cisco Configuration Professional, SNMP, HTTP/HTTPS, Telnet |
Licensing Model | Feature-based licensing |
Included Licenses | UC and Border Element (CUBE) license |