United States
Name:
C1861W-SRST-C-F/K9
- Description:
- 1861,WLAN,8-usrSRST/CME,CUE,4FXS,4FXO,8xPOE,SP Svcs,HWICslot
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- 882658208157
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Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
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Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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C1861W-SRST-C-F/K9 Overview
C1861W-SRST-C-F/K9 is a fixed architecture enterprise router that delivers versatile power options with an integrated AC power supply rated at 65W and supports dual WAN interfaces alongside four LAN ports. It incorporates integrated services—including voice via Survivable Remote Site Telephony (SRST), VPN features for secure connectivity, and modular expansion via an EHWIC slot—ensuring a compact yet high-performance design.
C1861W-SRST-C-F/K9 is engineered for small business and remote office environments where reliable throughput, robust redundancy through built-in firewall and intrusion prevention, and versatile integrated services are critical. Its performance-focused design supports essential routing protocols, remote management features, and integrated wireless support (WiFi 4), making it a dependable choice for modern network deployments.
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C1861W-SRST-C-F/K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec / SSL VPN / DMVPN / N/A |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / EIGRP / BGP / RIP / Static Routing |
| Broadband | N/A |
| Architecture | Fixed |
| WAN Configuration | Dual WAN |
| WAN Ports | 2 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | WiFi 4 |
| Connectivity Type | Wired |
| Network Protocols | IPv4, IPv6, MPLS |
| Remote Management | CLI, SNMP, HTTP/HTTPS |
| Compliance Standards | FCC / CE / UL |
| Wireless Support | Yes |
| Speed/Capacity | Gigabit |
| Firewall Features | Yes |
| Features | VPN / VoIP / IPv6 Compatible / Firewall |
| Use Case | Small Business |
| Management | Managed |
| Form Factor | Desktop |
| Integrated Services | Voice |
| High Availability Support | Not Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | N/A |
| QoS Features | Supported |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection |
| Expansion Slots | EHWIC |
| Modular Slots Available | 1 Slot |
| Stacking Capability | No |
| 5G Support | No |
| Memory | 512 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45 |
| Power | 65W |
| Device Type | Router |
| Product Name | Cisco 1861W Integrated Services Router with SRST |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
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 | N/A | DSL | 3G | N/A |
| Built-in Security Features | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention / Malware Protection | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection |
| Compliance Standards | FCC, CE, RoHS | FCC / CE / UL | IEEE 802.3, 802.3u, 802.3ab | FCC / CE | FCC / CE |
| Connectivity Type | Wired / Wireless / Ethernet | Wired | Wired | Wired | Wired / Wireless |
| Depth | N/A | N/A | 13 inches | N/A | N/A |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | FCC, CE | N/A | N/A |
| Ethernet Technology | 10/100 | 10/100 | 10/100/1000 | 10/100 | 10/100 |
| Expansion Slots | EHWIC | EHWIC | NIM, EHWIC | EHWIC | N/A |
| Features | VPN / Firewall / Voice / IPv6 Compatible | VPN / VoIP / IPv6 Compatible / Firewall | VPN, VoIP, IPv6 Compatible, Firewall, MPLS | Modular / VPN / Voice / Firewall | VPN / VoIP / Firewall / IPv6 Compatible |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 128 MB | 256 MB | 128 MB | 128 MB |
| Form Factor | Rack-mount | Desktop | Rack-mount | Rack-mount | Desktop |
| Height | N/A | N/A | 1.75 inches | N/A | N/A |
| High Availability Support | Supported | Not Supported | Supported | Not Supported | Not Supported |
| Integrated Services | Voice / Video | Voice | Voice, Video, WAN Optimization | Voice / Data | Voice |
| Interface Ports | RJ-45 | RJ-45 | RJ-45, Combo Ports | RJ-45 | RJ-45 |
| LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports | 2 x10/100 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 256 MB | 512 MB | 512 MB | 256 MB | 256 MB |
| Modular Slots Available | 2 Slots | 1 Slot | 2 Slots | 1 Slot | N/A |
| Network Protocols | IPv4, IPv6 | IPv4, IPv6, MPLS | IP, TCP, UDP, HTTP, SNMP | IPv4 / IPv6 | TCP/IP, UDP, ICMP, IGMP |
| Power | 65 Watt | 65W | 150W | N/A | 65 Watts |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply with Redundant Option | AC Power Supply | AC Power Supply |
| Product Name | CISCO1801W-AG-B/K9 | Cisco 1861W Integrated Services Router with SRST | Cisco 1802 Integrated Services Router | Cisco C1841-3G-V Integrated Services Router | Cisco 1861W Integrated Services Router for Unified Communications |
| 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, HTTP/HTTPS | Telnet, SSH, SNMP, HTTPS | Telnet / SSH | CLI, SNMP, HTTP/HTTPS |
| Routing Protocols | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / BGP / RIP / Static Routing | OSPF / BGP / EIGRP / Static Routing | OSPF / EIGRP / RIP / BGP | OSPF / BGP / EIGRP / RIP / Static Routing |
| Safety | N/A | N/A | UL, CE | N/A | N/A |
| Speed/Capacity | N/A | Gigabit | Gigabit | 25 Mbps | N/A |
| Stacking Capability | No | No | Yes | No | No |
| Telecom | N/A | N/A | ETSI | N/A | N/A |
| Throughput Capacity | 0.1 Gbps | N/A | 1 Gbps | 25 Mbps | 0.025 Gbps |
| Use Case | Business / Small Business | Small Business | Enterprise / Business | Enterprise / Small Business | Business |
| VPN Support | IPSec / SSL VPN | IPSec / SSL VPN / DMVPN / N/A | IPSec / SSL VPN | IPSec / SSL VPN | IPSec |
| WAN Configuration | WAN | Dual WAN | Dual WAN | WAN | WAN |
| WAN Ports | 1 WAN | 2 WAN | 2 WAN | Modular WAN | 1 WAN |
| Weight | N/A | N/A | 15 lbs | N/A | N/A |
| Wi-Fi Standard | WiFi 4 | WiFi 4 | N/A | N/A | WiFi 3 |
| Width | N/A | N/A | 17 inches | N/A | N/A |
| Wireless Support | Yes | Yes | No | Yes | Yes |
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Questions & Answers
Q
What is the Cisco 1861W Integrated Services Router (SKU C1861W-SRST-C-F/K9)?
A
The Cisco 1861W is a branch-office router featuring integrated WLAN, 8-user SRST/CME, Cisco Unity Express, 4 FXS/4 FXO voice ports, 8-port 10/100 PoE, SP Services performance, and one HWIC slot.
Q
Which LAN and WAN interfaces does the C1861W provide?
A
The router includes eight 10/100 PoE LAN ports, two 10/100/1000 WAN ports, and one HWIC slot for WAN or LAN expansion.
Q
Does the Cisco 1861W support Power over Ethernet (PoE)?
A
Yes, it offers eight integrated 10/100 PoE ports delivering up to 15.4 W per port for IP phones, cameras, and access points.
Q
How many voice FXS and FXO ports are available on the 1861W?
A
It includes four FXS ports for analog phones and four FXO ports for PSTN connectivity, enabling on-premises telephony fallback.
Q
Can I deploy wireless LAN with this router?
A
Yes, the 1861W has an onboard WLAN controller supporting up to 24 access points for centralized Wi-Fi management.
Q
What voice survivability does the SRST feature provide?
A
SRST (Survivable Remote Site Telephony) ensures up to eight concurrent calls and local call processing if the WAN link fails.
Q
Is Cisco Unified Communications Manager Express (CME) supported?
A
Yes, the integrated CME delivers IP telephony features for up to eight users without additional servers.
Q
What is Cisco Unity Express (CUE) on this platform?
A
CUE provides embedded voicemail, auto-attendant, and unified messaging for small sites, with support for up to eight mailboxes.
Q
What performance does the SP Services license enable?
A
The Service Provider Services performance license unlocks up to 90 Mbps throughput and 75,000 packets per second forwarding.
Q
Can I expand the 1861W’s port or module capacity?
A
Yes, one HWIC slot supports additional WAN, voice, security, or specialized modules for future growth.
Q
Which security features are built into the C1861W?
A
It includes stateful firewall, intrusion prevention, VPN (IPsec/SSL), content filtering, and advanced encryption to secure branch traffic.
Q
How do I manage and configure the Cisco 1861W router?
A
Use Cisco IOS CLI or Cisco Configuration Professional (CCP) for web-based setup, monitoring, and policy management.
Q
Is the 1861W compatible with Cisco Unified Communications Manager (CUCM)?
A
Yes, it integrates with CUCM for centralized call control while providing local SRST fallback at the branch.
Q
What are the power and environmental requirements?
A
The router accepts 100–240 VAC at 50/60 Hz, consumes up to 180 W, and operates between 0 °C to 40 °C ambient temperature.
Q
What warranty and support options are available?
A
Cisco offers a limited lifetime hardware warranty and optional SMARTnet support for rapid hardware replacement and 24/7 technical assistance.
Q
What is the maximum VPN capacity on this router?
A
It supports up to 100 IPsec VPN tunnels for secure site-to-site and remote access connectivity.
Q
How does the CUE licensing model work on the 1861W?
A
Cisco Unity Express is included with unlimited licenses for voicemail ports and messaging services for up to eight users.
