United States
Name:
CISCO876-K9
- Description:
- ADSLoISDN Security Router
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- Brand:
- Cisco
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- GTIN:
- 882658036880
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3 Year Extended Warranty
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Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
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.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
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.
TRUSTED, TRIED, PROVEN
CISCO876-K9 Overview
CISCO876-K9 is a fixed architecture, integrated services router designed for small branch and business office deployments. It supports multiple power options with an AC power supply, features a robust array of WAN/LAN interfaces including one WAN port and four LAN ports with 10/100 Ethernet technology, and delivers integrated services such as voice, data, and video.
Built for secure remote connectivity, the CISCO876-K9 incorporates advanced VPN features (IPSec VPN), firewall and QoS capabilities while maintaining a compact desktop form factor. Its proven performance with redundancy options, reliable throughput of up to 4 Mbps, and efficient management via Telnet, SSH, and SNMP make it ideal for business and branch office use cases.
What is the price of CISCO876-K9?
Pricing for CISCO876-K9 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for CISCO876-K9.
Explore more options from Routers or explore other Cisco products.
CISCO876-K9 Specifications
| Product Type | Enterprise Router |
| VPN Support | IPSec VPN |
| Power Source | AC Power Supply |
| Routing Protocols | OSPF / EIGRP / RIP / BGP / Static Routing |
| Broadband | DSL |
| Architecture | Fixed |
| WAN Configuration | WAN |
| WAN Ports | 1 WAN |
| LAN Ports | 4 LAN Ports |
| Ethernet Technology | 10/100 |
| Wi-Fi Standard | N/A |
| Connectivity Type | Wired |
| Network Protocols | IPv4, IPv6, PPP, NAT |
| Remote Management | Telnet, SSH, SNMP, Cisco SDM |
| Compliance Standards | FCC, CE, RoHS |
| Wireless Support | No |
| Speed/Capacity | 10/100 |
| Firewall Features | Yes |
| Features | VPN, Firewall, NAT, Integrated Services, Voice |
| Use Case | Small Business / Branch Office |
| Management | Managed |
| Form Factor | Desktop |
| Integrated Services | Voice, Data, Video |
| High Availability Support | Not Supported |
| Safety | N/A |
| EMC | N/A |
| Telecom | N/A |
| Throughput Capacity | 4 Mbps |
| 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 | 512 MB |
| Flash Memory | 128 MB |
| Interface Ports | RJ-45 |
| Power | 24 Watt |
| Device Type | Router |
| Product Name | Cisco 876 Integrated Services Router |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
CISCO876-K9 Use Case
High-Availability Branch Office WAN with Cisco 876-K9 over ADSL & ISDN
Scenario: A retail chain deploys the Cisco 876-K9 security router at each branch to aggregate a primary ADSL link with an ISDN backup. If ADSL degrades or fails, the ISDN circuit automatically activates to maintain connectivity. Benefit: Achieve 99.9% WAN uptime, eliminate sales downtime from network outages, and centralize branch management using Cisco IOS security policies.
HIPAA-Compliant Telemedicine Connectivity via Cisco 876-K9 ADSL Security Router
Scenario: A rural telehealth clinic uses the Cisco 876-K9 router to create an encrypted VPN tunnel over ADSL, with ISDN failover, linking patient sites to a hospital’s electronic health record (EHR) system. Benefit: Ensure HIPAA-grade data encryption in flight, deliver uninterrupted telemedicine sessions during link failures, and simplify compliance audits with integrated security logging.
Resilient SCADA Remote Monitoring for Manufacturing with Cisco 876-K9
Scenario: A manufacturing plant integrates the Cisco 876-K9 as a perimeter firewall and remote gateway for its SCADA network, utilizing ADSL as the primary uplink and ISDN as automatic backup. Benefit: Guarantee continuous real-time process monitoring, enforce OT network segmentation for threat containment, and minimize production risk with seamless link redundancy.
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 | DSL | N/A | N/A |
| Built-in Security Features | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention, Malware Protection | Firewall, Intrusion Prevention | Firewall / Intrusion Prevention / Malware Protection | Firewall / Intrusion Prevention |
| Compliance Standards | FCC, CE, RoHS | FCC, CE | FCC, UL | FCC / CE | FCC / CE |
| Connectivity Type | Wired | Wired | Wired / Wireless | Wired / Wireless | Wired |
| Depth | N/A | N/A | N/A | 8.7 inches | 7.4 inches |
| Device Type | Router | Router | Router | Router | Router |
| EMC | N/A | N/A | FCC | N/A | FCC |
| Ethernet Technology | 10/100 | 10/100/1000 | 10/100 Mbps | 10/100/1000 | 10/100 |
| Expansion Slots | N/A | EHWIC | N/A | N/A | N/A |
| Features | VPN, Firewall, NAT, Integrated Services, Voice | VPN, Firewall, IPv6 Compatible | VPN, NAT, Firewall, Integrated Wireless | VPN / IPv6 Compatible / Firewall | VPN / VoIP / IPv6 Compatible / Firewall / NAT / QoS |
| Firewall Features | Yes | Yes | Yes | Yes | Yes |
| Flash Memory | 128 MB | 256 MB | 256 MB | 128 MB | 256 MB |
| Form Factor | Desktop | Desktop | Desktop | Desktop | Desktop |
| Height | N/A | N/A | N/A | 1.2 inches | 1.2 inches |
| High Availability Support | Not Supported | Supported | Not Supported | Supported | Not Supported |
| Integrated Services | Voice, Data, Video | Voice / Video | Voice, Data, Wireless, Security | Voice / Video | Voice |
| Interface Ports | RJ-45 | RJ-45 | RJ-45 | RJ-45 / Combo Ports | RJ-45 |
| LAN Ports | 4 LAN Ports | 8 LAN Ports | 4 LAN Ports | 4 LAN Ports | 4 LAN Ports |
| Management | Managed | Managed | Managed | Managed | Managed |
| Memory | 512 MB | 512 MB | 256 MB | 256 MB | 512 MB |
| Modular Slots Available | N/A | 1 Slot | N/A | N/A | N/A |
| Network Protocols | IPv4, IPv6, PPP, NAT | TCP/IP, UDP, ICMP, ARP, RIP | TCP/IP | IPv4 / IPv6 | IPv4 / IPv6 |
| Power | 24 Watt | 65 Watt | 65 Watts | 65 Watt | 48 Watt |
| Power Source | AC Power Supply | AC Power Supply / Redundant | External AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco 876 Integrated Services Router | Cisco 886 Integrated Services Router | Cisco 877W Integrated Services Router | Cisco 887GW-GN-A-K9 Integrated Services Router | CISCO881G-K9 |
| Product Type | Enterprise Router | Enterprise Router | Integrated Services Router | Enterprise Router | Enterprise Router |
| QoS Features | Supported | Supported | Supported | Supported | Supported |
| Remote Management | Telnet, SSH, SNMP, Cisco SDM | SSH, Telnet, SNMP | SSH, Telnet, SNMP | CLI / SNMP / HTTP / HTTPS | CLI / SNMP |
| Routing Protocols | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing | OSPF / BGP / EIGRP / RIP / Static Routing | OSPF / EIGRP / RIP / BGP / Static Routing |
| Safety | N/A | UL, cUL, CE, FCC | UL | N/A | UL / CE |
| Speed/Capacity | 10/100 | Gigabit | Fast Ethernet | Gigabit | N/A |
| Stacking Capability | No | No | No | No | No |
| Telecom | N/A | N/A | N/A | N/A | N/A |
| Throughput Capacity | 4 Mbps | 0.1 Gbps | 15 Mbps | 0.15 Gbps | 0.05 Gbps |
| Use Case | Small Business / Branch Office | Business | Small Business / Branch Office | Business / Small Business | Small Business |
| VPN Support | IPSec VPN | IPSec / SSL VPN | IPSec | IPSec / SSL VPN | IPSec / DMVPN |
| WAN Configuration | WAN | Dual WAN | Single WAN | Dual WAN | WAN |
| WAN Ports | 1 WAN | 2 WAN | 1 WAN | 1 WAN | 1 WAN |
| Weight | N/A | N/A | N/A | 5 lbs | 4.6 lbs |
| Wi-Fi Standard | N/A | N/A | 802.11b/g/n | WiFi 4 | N/A |
| Width | N/A | N/A | N/A | 7.2 inches | 8.7 inches |
| Wireless Support | No | No | Yes | Yes | No |
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Questions & Answers
Q
What is the Cisco 876-K9 ADSL/ISDN Security Router?
A
The Cisco 876-K9 is an integrated ADSL2/2+ and ISDN security router designed for small offices and branch networks, offering advanced routing, firewall protection, and VPN services in a compact form factor.
Q
Which WAN interfaces does the Cisco 876-K9 support?
A
The Cisco 876-K9 supports ADSL2/2+ (POTS and Annex A/B) and ISDN BRI interfaces, allowing flexible deployment over copper lines for reliable broadband connectivity.
Q
What security features are built into the Cisco 876-K9?
A
This router includes stateful inspection firewall, intrusion prevention (IPS), content filtering, and URL blocking to safeguard your network against external threats and unauthorized access.
Q
Does the Cisco 876-K9 support VPN connectivity?
A
Yes. The Cisco 876-K9 supports up to 25 IPsec VPN tunnels with hardware acceleration, ensuring secure site-to-site and remote-access connections.
Q
What is the maximum throughput of the Cisco 876-K9?
A
The Cisco 876-K9 delivers up to 35 Mbps aggregate throughput for VPN and firewall traffic, optimizing performance for mission-critical applications.
Q
How many LAN ports and interfaces are available?
A
It provides four 10/100 Mbps Ethernet LAN ports, one ISDN BRI port, and one RJ-11 ADSL port, supporting both copper and networked device connectivity.
Q
What network management options are available?
A
The router supports Cisco IOS CLI, Cisco Configuration Professional (CCP), SNMP v2/v3, and embedded web UI for intuitive, centralized device configuration and monitoring.
Q
Who is the ideal user for the Cisco 876-K9?
A
Small businesses and branch offices requiring secure, high-performance WAN connectivity over existing copper lines will benefit most from the integrated features of the Cisco 876-K9.
Q
What are the physical dimensions and power requirements?
A
The router measures 220 x 200 x 44 mm, weighs 1.4 kg, and uses a 12V DC power adapter with average consumption under 15W for energy-efficient operation.
Q
Which Cisco IOS image does the 876-K9 ship with?
A
It ships with Cisco IOS 12.4(4)T and supports Universal IOS feature sets, including IP Base, Security, and Advanced IP services for flexible feature licensing.
Q
How easy is installation and initial configuration?
A
Installation takes under 20 minutes using the Quick Start guide or Cisco Configuration Professional wizards, allowing rapid deployment of ADSL or ISDN services.
Q
What warranty and support options are available?
A
The Cisco 876-K9 includes a limited lifetime hardware warranty and 90-day Cisco TAC support, with optional SMARTnet contracts for extended coverage and software updates.
Q
Can I integrate the Cisco 876-K9 with Cisco security solutions?
A
Yes. The router seamlessly integrates with Cisco Security Manager, Cisco VPN Client, and Cisco Web Security Appliance for unified policy enforcement.
Q
Does the Cisco 876-K9 support voice or PoE?
A
No. The Cisco 876-K9 does not include voice gateways or Power over Ethernet; it focuses on secure data routing over ADSL/ISDN.
Q
What accessories are included in the Cisco 876-K9 package?
A
The package contains the Cisco 876-K9 router, power adapter, RJ-45 Ethernet cable, RJ-11 ADSL cable, ISDN cable, and a printed Quick Start guide.
