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C1861-4F-VSEC/K9
1861,8-user CME,CUE,Ph Lic,4FXS,4FXO,8xPOE,HWIC slot,Adv IP
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C1861-4F-VSEC/K9 is a fixed architecture router powered by an internal AC power supply that delivers robust performance with four integrated 10/100 Fast Ethernet ports configurable for both WAN and LAN connectivity. It offers integrated services that include voice and secure VPN capabilities, ensuring that data, voice, and critical business communications are handled with high reliability and throughput.
Engineered with modular expansion via an available EHWIC slot, C1861-4F-VSEC/K9 supports built-in VPN and firewall features with remote management protocols such as Telnet, SSH, and SNMP. With high availability support and redundancy options, this router is ideally suited for business environments that demand secure, reliable connectivity and efficient performance across integrated services.
C1861-4F-VSEC/K9 price is is available on request. Get immediate quote.
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In a multi‐site enterprise, the C1861-4F-VSEC/K9-1861 router delivers integrated VoIP and legacy PSTN services at remote branches. Leveraging 8-user CME/CUE licenses, 4 FXS/4 FXO ports and 8-port PoE, it powers IP phones and analog fax lines, while the HWIC slot adds LTE or secondary WAN backup. Benefit: Streamlined deployment of IP telephony, automatic PSTN failover for 99.9% uptime, and up to 30% lower voice connectivity costs.
A national retail chain standardizes on the C1861-4F-VSEC/K9-1861 to power in-store IP phones, wireless access points and PoS terminals via its 8xPoE ports. The built-in advanced IP services firewall segments guest Wi-Fi from corporate traffic, while 8-user CME/CUE and HWIC expansion support digital signage or inventory scanners. Outcome: Unified voice/data infrastructure reduces rack space by 40%, enforces PCI-DSS compliance, and accelerates store roll-outs by 50%.
A rural healthcare network deploys the C1861-4F-VSEC/K9-1861 to host critical telemedicine and patient-notification workflows. It uses 8-user CME/CUE and CUE voicemail for appointment reminders, 4 FXS ports for legacy nurse-call systems, and 4 FXO lines for emergency PSTN backup. The advanced IP feature set provides VPN termination and stateful firewalling for HIPAA compliance, while the HWIC slot accommodates 4G LTE failover. Benefit: Reliable, secure voice and data services with built-in compliance, improving patient care and reducing network downtime by 75%.
To get the detailed certification, please go to the Compliance Center.
 C1861-4F-VSEC/K9 |  CISCO1811W-AG-C/K9 |  CISCO1811W-AG-B/K9 |  C1861W-SRST-C-B/K9 |  CISCO1841 | |
|---|---|---|---|---|---|
| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Modular |
| Broadband | N/A | N/A | DSL | N/A | N/A |
| Built-in Security Features | Firewall | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE | FCC / CE / RoHS | FCC / CE | FCC / CE | FCC / CE |
| Connectivity Type | Wired | Wired / Wireless / Ethernet | Wired / Wireless / Ethernet | Wired / Wireless | Wired |
| Depth | N/A | 9.50 inches | 14.1 inches | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | FCC | FCC / CE |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | N/A | EHWIC | EHWIC |
| Features | VPN / Firewall / IPv6 Compatible | VPN / Firewall / IPv6 Compatible | VPN / Firewall / NAT / QoS / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 32 MB | 256 MB | 128 MB |
| Form Factor | Desktop | Desktop | Desktop / Rack-mount | Desktop | Desktop |
| Height | N/A | 1.06 inches | 1.7 inches | N/A | N/A |
| High Availability Support | Supported | Not Supported | Supported | Supported | Not Supported |
| Integrated Services | Voice | Voice | Voice / Video | Voice / Video / WAN Optimization | Voice / Video / WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 / Combo Ports | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 512 MB | 128 MB | 256 MB | 64 MB |
| Modular Slots Available | 1 Slot | 1 Slot | N/A | 1 Slot | 2 Slots |
| Network Protocols | IPv4, IPv6, NAT, PAT | IPv4 / IPv6 / PPPoE / NAT | IPv4 | IPv4 / IPv6 / TCP/IP | BGP / EIGRP / OSPF / RIP / Static Routing |
| Power | 65 Watt | 65W | 65 W | 50W | 65 Watt |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply with Redundant Option | AC Power Supply |
| Product Name | Cisco C1861-4F-VSEC/K9 Integrated Services Router | Cisco 1811 Wireless Advanced Gateway | CISCO1811W-AG-B/K9 Wireless Gateway Router | Cisco 1861W Integrated Services Router with SRST | Cisco 1841 Integrated Services Router |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP | CLI / SNMP / Web | SSH / Telnet / SNMP | Telnet / SSH / SNMP / HTTP/HTTPS | Telnet / SSH / SNMP |
| Routing Protocols | OSPF / EIGRP / RIP / BGP | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | UL / CE | UL / CE |
| Speed/Capacity | N/A | N/A | Fast Ethernet | Fast Ethernet (100 Mbps) | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.025 Gbps | 0.025 Gbps | 0.15 Gbps | 0.075 Gbps | 0.035 Gbps |
| Use Case | Business | Business | Enterprise | Business / Small Business | Business / Small Business / Enterprise |
| VPN Support | IPSec | IPSec / SSL VPN / N/A | IPSec / SSL VPN | IPSec VPN | IPSec / GRE / N/A |
| WAN Configuration | WAN | Dual WAN | Dual WAN | Dual WAN | Dual WAN |
| WAN Ports | 4 WAN | 2 WAN | 2 WAN | 2 WAN | 2 WAN |
| Weight | N/A | 6.60 lbs | 10 lbs | N/A | 7.5 lbs |
| Wi-Fi Standard | N/A | WiFi 3 | WiFi 3 | 802.11n | N/A |
| Width | N/A | 8.50 inches | 17.7 inches | N/A | N/A |
| Wireless Support | No | Yes | Yes | Yes | No |
Cisco 1861-4F-VSEC provides reliable voice and data connectivity. POE and advanced IP services make it ideal for branch offices.
Handles 8-user CME and multiple FXS/FXO devices efficiently. Stable performance with predictable uptime.
Strong router with integrated UC features. Easy to manage and deploy in office environments.
Reliable all-in-one solution. Cisco 1861-4F-VSEC ensures seamless communication and power delivery to devices.
Durable and efficient router. Handles voice, data, and POE devices with minimal configuration effort.
The Cisco 1861-4F-VSEC/K9 is a secure branch office router that integrates data, voice and video services with 8-user Cisco Unified Communications Manager Express (CME) and Cisco Unity Express (CUE).
It includes an 8-user Phonelicense for CME, CUE voicemail, 4 FXS analog ports, and 4 FXO PSTN interfaces for comprehensive branch telephony.
This model provides 8 integrated PoE ports delivering up to 15.4 W per port to power IP phones, wireless access points or cameras without external injectors.
It features 4 FXS ports for analog phone connectivity and 4 FXO ports to connect directly to PSTN lines, supporting hybrid analog and IP voice deployments.