Name:
C1861-UC-2BRI-K9
- Description:
- 1861, 8-user CME,CUE,Ph. Lic,4FXS,2BRI,8xPOE,HWIC slot
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- 100416398545
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C1861-UC-2BRI-K9 Overview
C1861-UC-2BRI-K9 is a fixed, integrated services router designed for branch offices needing reliable voice, data, and secure VPN connectivity. It features a robust architecture with dual configurable 10/100 Ethernet ports that can operate as WAN interfaces paired with two integrated BRI ports for voice and data, ensuring versatile network connectivity. The router offers flexible power options via an external AC power adapter and provides built‐in firewall capabilities with VPN support covering IPSec and SSL, enabling secure remote access and unified communications.
Engineered for performance and redundancy, the C1861-UC-2BRI-K9 delivers dependable throughput for small business use cases while streamlining integrated services such as voice and WAN optimization. Although its fixed, desktop form factor does not support modular slot expansion or stacking, its comprehensive remote management (via Telnet, SSH, and SNMP), compliance with FCC/CE standards, and optimized routing protocols (OSPF, EIGRP, RIP, and static routing) make it an ideal solution for businesses seeking cost-effective and secure branch connectivity.
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C1861-UC-2BRI-K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / EIGRP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Fixed |
| WAN Configuration | Dual WAN |
| WAN Ports | 2 WAN |
| LAN Ports | N/A |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4, IPv6 |
| Remote Management | Telnet, SSH, SNMP |
| Compliance Standards | FCC, CE |
| Wireless Support | No |
| Speed/Capacity | 10/100 |
| Firewall Features | Yes |
| Features | VPN, Firewall, Unified Communications |
| Use Case | Business |
| Management | Managed |
| Form Factor | Desktop |
| Integrated Services | Voice, WAN Optimization |
| High Availability Support | Not Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 0.03 Gbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection |
| Expansion Slots | N/A |
| Modular Slots Available | N/A |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45 |
| Power | 65 W |
| Device Type | Router |
| Product Name | Cisco 1861 Integrated Services Router UC-2BRI-K9 |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
C1861-UC-2BRI-K9 Use Case
SMB Branch Voice-Data-PoE Convergence with Cisco 1861 UC
A small retail branch deploys the Cisco 1861-UC-2BRI-K9 to consolidate eight IP phones (CME), four analog FXS devices and eight PoE-powered Wi-Fi APs on one platform. Outcome: unified voice/data infrastructure reduces rack space by 50%, cuts CAPEX/OPEX and delivers carrier-grade QoS for real-time voice and wireless.
Enterprise Remote-Site Resilient Voice & Voicemail via DMVPN
An international enterprise site uses the C1861 router’s 2 BRI ports to backhaul calls over DMVPN, runs Cisco Unity Express for local voicemail/auto-attendant, and handles up to eight users on CME. Outcome: high-availability voice services with local survivability, WAN bandwidth savings and centralized management.
Pop-Up Office & Event Communications with Hybrid Phone Support
A project team establishes a temporary office requiring IP telephony, analog fax lines and PoE CCTV. The 1861-UC-2BRI-K9 delivers four FXS fax ports, eight PoE ports for IP cameras/phones and an HWIC slot for future 4G. Outcome: rapid turn-up of mixed voice/fax/video services, scalable port licensing and seamless teardown.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| 5G Support | No | No | No | No | No |
| Architecture | Fixed | Fixed | Fixed | Fixed | Fixed |
| Broadband | DSL | DSL | N/A | N/A | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection |
| Compliance Standards | FCC / CE | FCC, CE | IEEE 802.3, IEEE 802.3u | FCC / CE / UL | FCC, CE |
| Connectivity Type | Wired / Wireless / Ethernet | Wired | Wired | Wired | Wired |
| Depth | 14.1 inches | N/A | N/A | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100 | 10/100 |
| Expansion Slots | N/A | EHWIC | N/A | EHWIC | N/A |
| Features | VPN / Firewall / NAT / QoS / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall | VPN, Firewall, Unified Communications |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 32 MB | 256 MB | 128 MB | 256 MB | 128 MB |
| Form Factor | Desktop / Rack-mount | Desktop | Rack-mount | Desktop | Desktop |
| Height | 1.7 inches | N/A | N/A | N/A | N/A |
| High Availability Support | Supported | Not Supported | Supported | Not Supported | Not Supported |
| Integrated Services | Voice / Video | Voice | Voice / Video | Voice / Video / WAN Optimization | Voice, WAN Optimization |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | 2 LAN Ports | 4 LAN Ports | N/A | N/A |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 128 MB | 128 MB | 256 MB | 128 MB | 256 MB |
| Modular Slots Available | N/A | 2 Slots | N/A | 2 Slots | N/A |
| Network Protocols | IPv4 | IP, IPX, AppleTalk | TCP/IP, UDP, ICMP | IPv4 / IPv6 | IPv4, IPv6 |
| Power | 65 W | 65 W | 65W | 65W | 65 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | CISCO1811W-AG-B/K9 Wireless Gateway Router | CISCO1841-ADSL2-M | Cisco C1861-SRST-F/K9 | Cisco C1841-3G-S Integrated Services Router | Cisco 1861 Integrated Services Router UC-2BRI-K9 |
| Product Type | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | SSH / Telnet / SNMP | Telnet, SSH, SNMP | SSH, Telnet, SNMP | Telnet / SSH / SNMP | Telnet, SSH, SNMP |
| Routing Protocols | OSPF / BGP / EIGRP / Static Routing | OSPF / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | N/A | N/A |
| Speed/Capacity | Fast Ethernet | N/A | N/A | N/A | 10/100 |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 0.15 Gbps | 0.075 Gbps | 0.05 Gbps | 0.025 Gbps | 0.03 Gbps |
| Use Case | Enterprise | Small Business / Enterprise | Enterprise | Enterprise | Business |
| VPN Support | IPSec / SSL VPN | IPSec | IPSec / SSL VPN | IPSec | IPSec / SSL VPN |
| WAN Configuration | Dual WAN | WAN | Dual WAN | WAN | Dual WAN |
| WAN Ports | 2 WAN | 1 WAN | 2 WAN | 1 WAN | 2 WAN |
| Weight | 10 lbs | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | WiFi 3 | N/A | N/A | N/A | N/A |
| Width | 17.7 inches | N/A | N/A | N/A | N/A |
| Wireless Support | Yes | No | No | No | No |
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Questions & Answers
Q
What is the Cisco C1861-UC-2BRI-K9 router?
A
The Cisco C1861-UC-2BRI-K9 is an integrated services router with an 8-user CME/CUE voice license, 4 FXS ports, 2 BRI ports, 8 PoE-enabled Ethernet ports, and one HWIC slot.
Q
Which voice licenses come with the C1861-UC-2BRI-K9?
A
The router includes an 8-user Cisco Unified Communications Manager Express (CME) license and a Cisco Unity Express (CUE) voice messaging license.
Q
How many FXS and BRI ports are available?
A
It provides four FXS ports for analog phones and two BRI ports for ISDN connectivity, enabling flexible voice integration.
Q
What PoE capability does this model offer?
A
This model delivers eight IEEE 802.3af PoE ports, allowing you to power IP phones, wireless access points, and other PoE devices directly from the router.
Q
Can I expand the router’s functionality?
A
Yes, the unit features a single HWIC slot that supports a variety of WAN and service expansion cards for future scalability.
Q
What WAN connectivity options are supported?
A
Out of the box, the router supports Fast Ethernet WAN, with the HWIC slot accommodating options such as T1/E1, ADSL2+, and 3G/4G cellular interfaces.
Q
How many IP phones can the C1861-UC-2BRI-K9 support?
A
With its 8-user CME license and eight PoE ports, it can support up to eight IP phones or other endpoint devices simultaneously.
Q
Is the router rack-mountable?
A
Yes, the Cisco 1861-UC-2BRI-K9 ships with rack-mount ears for standard 19-inch racks and can also sit on a desktop.
Q
What performance can I expect from the 1861-UC-2BRI-K9?
A
It delivers up to 90 Mbps of aggregate throughput, with hardware-based encryption for secure VPN performance.
Q
What security features are included?
A
Built-in security includes Zone-Based Firewall, IPS, VPN termination for up to 30 tunnels, and Control Plane Policing for threat protection.
Q
How do I configure voice services on this router?
A
Voice configuration is handled through the CME CLI or web-based Cisco Configuration Professional, with step-by-step templates for FXS/BRI provisioning.
Q
Can the voice license be upgraded?
A
Yes, you can upgrade from the 8-user CME license to 24 or 48 users by purchasing the corresponding Cisco upgrade license keys.
Q
What is the router’s power consumption?
A
The router typically consumes 60W without PoE load and up to 240W when all eight PoE ports deliver maximum power.
Q
Does Cisco provide a warranty for the C1861-UC-2BRI-K9?
A
Cisco offers a limited lifetime warranty on the chassis and power supply, plus a 90-day warranty on other hardware components.
Q
What are common use cases for this router?
A
This router is ideal for small- to medium-sized branch offices requiring integrated voice, data, security, and PoE in a single platform.
Q
Where can I get technical support and documentation?
A
Cisco provides 24/7 technical support, software updates, and comprehensive configuration guides on Cisco.com under the product support section.