United States
Name:
C1861-UC-4FXO-K9
- Description:
- 1861, 8-user CME, CUE, Ph. Lic, 4FXS, 4FXO, 8xPOE, HWIC slot
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- 100416398545
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3 Year Extended Warranty
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All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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C1861-UC-4FXO-K9 Overview
C1861-UC-4FXO-K9 is a fixed integrated services router engineered for unified communications with built-in support for voice and data. It features a robust architecture with multiple power options via an AC power supply, dedicated WAN interfaces including 10/100 Ethernet ports, and four FXO ports for PSTN connectivity that provide integrated voice services. The router is designed to offer secure VPN capabilities and strong firewall protection while meeting diverse business connectivity needs.
Designed for high performance and reliability, the C1861-UC-4FXO-K9 delivers efficient throughput capacity and redundancy features that support mission-critical applications. Its modular expansion capability via an EHWIC slot, comprehensive routing protocols (OSPF, EIGRP, RIP, Static), and remote management support (Telnet, SSH, SNMP) make it an ideal solution for branch offices, call centers, and other business environments where consistent security and voice integration are essential.
What is the price of C1861-UC-4FXO-K9?
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C1861-UC-4FXO-K9 Specifications
| Product Type | Integrated Services 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 | WAN |
| WAN Ports | 2 WAN |
| LAN Ports | N/A |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IP |
| Remote Management | Telnet, SSH, SNMP |
| Compliance Standards | FCC, CE |
| Wireless Support | No |
| Speed/Capacity | N/A |
| Firewall Features | Yes |
| Features | VPN / VoIP / Firewall / IPv6 Compatible |
| Use Case | Business |
| Management | Managed |
| Form Factor | Rack-mount |
| Integrated Services | Voice |
| High Availability Support | Supported |
| Safety | UL, cUL |
| EMC | FCC, CE |
| Telecom | FCC Part 68 |
| Throughput Capacity | 0.025 Gbps |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention |
| Expansion Slots | EHWIC |
| Modular Slots Available | 1 Slot |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 256 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45 |
| Power | 60 Watt |
| Device Type | Router |
| Product Name | Cisco 1861 Unified Communications Integrated Services Router (C1861-UC-4FXO-K9) |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
C1861-UC-4FXO-K9 Use Case
SMB Branch IP Telephony with PSTN Fallback on Cisco C1861-UC-4FXO-K9-1861
A 10-user branch deploys the C1861-UC-4FXO-K9-1861 with 8-user CME, Unity Express voicemail, 4FXS for legacy fax, 4FXO for PSTN failover and 8xPoE for IP phones. Outcome: centralized call control, 30% telecom cost reduction and 99.9% voice uptime during WAN outages.
Retail Store IVR and Emergency Voice Backup with C1861-UC-4FXO-K9-1861
A multi-location retailer uses the C1861-UC-4FXO-K9-1861’s CUE-powered IVR, 4FXO PSTN ports for local call continuity and 4FXS for analog POS terminals. Outcome: uninterrupted customer service during network failures, faster checkout, and simplified voice management.
Rapid Event Site Communications Hub Using Cisco C1861-UC-4FXO-K9-1861
An outdoor event deploys the C1861-UC-4FXO-K9-1861 with 8xPoE for IP handsets, HWIC slot LTE backup router, CUE auto attendant, plus 4FXS for analog PA systems. Outcome: sub-hour setup, unified voice services on-site and 50% lower rental costs compared to standalone PBXs.
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 | N/A | 3G | N/A | DSL | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention | Firewall, IPSec, Intrusion Prevention | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention |
| Compliance Standards | FCC / CE / UL | FCC, CE | FCC, CE | IEEE 802.3, 802.3u, 802.3ab | FCC, CE |
| Connectivity Type | Wired | Wired | Wired | Wired | Wired |
| Depth | N/A | 9.25 inches | 14.6 inches | 13 inches | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | N/A | FCC, CE | FCC, CE |
| Ethernet Technology | 10/100 | 10/100 | 10/100 | 10/100/1000 | 10/100 |
| Expansion Slots | EHWIC | 2 EHWIC Slots | EHWIC | NIM, EHWIC | EHWIC |
| Features | VPN / VoIP / IPv6 Compatible / Firewall | VPN, NAT, ACL, QoS, Firewall | VPN, Firewall, Intrusion Prevention, NAT, QoS, Routing | VPN, VoIP, IPv6 Compatible, Firewall, MPLS | VPN / VoIP / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 128 MB |
| Form Factor | Desktop | Desktop | Desktop / Rack-mount | Rack-mount | Rack-mount |
| Height | N/A | 1.75 inches | 1.73 inches | 1.75 inches | N/A |
| High Availability Support | Not Supported | Not Supported | Not Supported | Supported | Supported |
| Integrated Services | Voice / Video | Security, VPN | Voice, VPN, Security | Voice, Video, WAN Optimization | Voice |
| Interface Ports | RJ-45 | 2 x 10/100 Ethernet, 1 x Auxiliary Port | RJ-45 | RJ-45, Combo Ports | RJ-45 |
| LAN Ports | 4 LAN Ports | 2 x 10/100 Ethernet | 2 LAN Ports | 4 LAN Ports | N/A |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 128 MB | 128 MB | 512 MB | 256 MB |
| Modular Slots Available | 1 Slot | 2 Slots | 2 Slots | 2 Slots | 1 Slot |
| Network Protocols | IP / IPX / PPP | IPv4, IPv6 | IPv4, IPv6, TCP/IP | IP, TCP, UDP, HTTP, SNMP | IP |
| Power | 50W | 65W | 65 Watts | 150W | 60 Watt |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply with Redundant Option | AC Power Supply |
| Product Name | Cisco 1861W UC 4FXO | Cisco C1841-3G-G-SEC/K9 Integrated Services Router | Cisco 1841 Integrated Services Router C1841-3G-V-SEC/K9 | Cisco 1802 Integrated Services Router | Cisco 1861 Unified Communications Integrated Services Router (C1861-UC-4FXO-K9) |
| Product Type | Integrated Services Router | Enterprise Router | Enterprise Router | Enterprise Router | Integrated Services Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | CLI / Web-based | Telnet, SSH, SNMP | Telnet, SSH, SNMP, HTTP/HTTPS | Telnet, SSH, SNMP, HTTPS | Telnet, SSH, SNMP |
| Routing Protocols | EIGRP / OSPF / RIP / Static Routing | OSPF, EIGRP, RIP, BGP, Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | N/A | UL, CE | UL, cUL |
| Speed/Capacity | Gigabit | Fast Ethernet | Fast Ethernet | Gigabit | N/A |
| Stacking Capability | No | No | No | Yes | No |
| Telecom | N/A | N/A | N/A | ETSI | FCC Part 68 |
| Throughput Capacity | 0.025 Gbps | 35 Mbps | 33 Mbps | 1 Gbps | 0.025 Gbps |
| Use Case | Enterprise | Enterprise, Small Business, Branch Office | Enterprise / Small Business | Enterprise / Business | Business |
| VPN Support | IPSec / SSL VPN | IPSec, GRE, DMVPN | IPSec / SSL VPN | IPSec / SSL VPN | IPSec / SSL VPN |
| WAN Configuration | WAN | Single WAN | WAN | Dual WAN | WAN |
| WAN Ports | 2 WAN | 2 x 10/100 Ethernet | 1 WAN | 2 WAN | 2 WAN |
| Weight | N/A | 12 lbs | 8.6 lbs | 15 lbs | N/A |
| Wi-Fi Standard | WiFi 4 | N/A | N/A | N/A | N/A |
| Width | N/A | 11.5 inches | 17.2 inches | 17 inches | N/A |
| Wireless Support | Yes | No | No | No | No |
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Questions & Answers
Q
What is the Cisco 1861-UC-4FXO-K9 product?
A
The Cisco 1861-UC-4FXO-K9 is an integrated branch router combining an 8-user Cisco Unified Communications Manager Express (CME), Cisco Unity Express (CUE) voicemail, 4 FXS, 4 FXO, 8 PoE ports and one HWIC slot for modular expansion.
Q
How many voice users does the Cisco 1861 support?
A
The Cisco 1861 supports up to 8 active voice users via Cisco Unified Communications Manager Express (CME) for small branch and remote office deployments.
Q
Which licenses are included with this router?
A
This model includes licenses for 8-user Cisco CME, Cisco Unity Express voicemail, and phone system functionality for FXS/FXO port operation.
Q
What are the FXS and FXO port capabilities?
A
The router provides four FXS ports for analog handset connectivity and four FXO ports for PSTN loop start trunking to a public telephone network.
Q
How many PoE ports are available and what is their power budget?
A
There are eight integrated PoE ports delivering up to 15.4 W per port (802.3af) with a total PoE power budget of 124 W to support IP phones and access points.
Q
Can I expand the Cisco 1861 with additional modules?
A
Yes. The single High-Speed WAN Interface Card (HWIC) slot supports a variety of Cisco voice, serial or broadband modules for customized WAN and voice connectivity.
Q
What data throughput does the Cisco 1861 achieve?
A
The Cisco 1861 router delivers up to 25 Mbps of aggregate IPv4 data throughput, ideal for secure small branch or remote office deployments.
Q
Does this router include integrated voicemail?
A
Yes. Cisco Unity Express (CUE) is embedded, providing up to 300 mailboxes with unified messaging, auto-attendant and voicemail-to-email features.
Q
Which security features are supported?
A
The Cisco 1861 offers stateful firewall, IPSec and SSL VPN, intrusion prevention (with licensed IPS module), and advanced threat mitigation capabilities.
Q
How is the device managed and configured?
A
Administration is via Cisco IOS command-line interface (CLI), Cisco Configuration Professional GUI, or Cisco Prime for centralized provisioning and monitoring.
Q
Is the Cisco 1861 rack-mountable?
A
Yes. The router ships with a rack-mount kit that allows installation in a standard 19-inch equipment rack or 1U-high data cabinet.
Q
What environmental specifications does it meet?
A
The Cisco 1861 operates between 0 °C to 40 °C, supports 10%–90% non-condensing humidity, and complies with RoHS and WEEE standards.
Q
What power options are available?
A
The router supports an internal 260 W universal AC power supply and optional external DC modules for 48 V environments.
Q
How do I configure FXO and FXS ports for incoming calls?
A
Configure dial peers in Cisco IOS under voice service voip and dial-peer voice sections, binding incoming called numbers to FXS and FXO interfaces.
Q
What warranty and support options are offered?
A
Cisco provides a one-year limited hardware warranty and optional SMARTnet support for software updates, hardware replacement and 24×7 technical assistance.
Q
Which HWIC modules are compatible with the Cisco 1861?
A
Compatible HWIC modules include Cisco HWIC-1DSU-T1, HWIC-2SHDSL, HWIC-4A/S, HWIC-2FXO, HWIC-2FXS, and other data/voice interface cards for tailored WAN and PSTN connectivity.
