Description
Cisco C892-K9 V02 – High-Performance Integrated Services Router with 1 GE + 1 GE/SFP WAN, Built-in Firewall & Security for Small Enterprise & Branch Offices
The Cisco C892-K9 V02 (also known as the Cisco 892FSP) is a compact, high-performance Integrated Services Router (ISR) from Cisco’s 890 Series, purpose-built for small enterprises, branch offices, and secure remote connectivity. Combining integrated Gigabit Ethernet and fiber-ready SFP uplinks, hardware-accelerated security, and advanced threat defense, the C892-K9 delivers enterprise-grade routing, firewall, and VPN capabilities in a single, fanless desktop appliance.
Pre-loaded with the Cisco IOS K9 security image, this router enables encrypted communications, stateful firewalling, intrusion prevention, and secure remote access—making it ideal for organizations requiring compliance-ready, resilient, and manageable WAN edge protection without the complexity of multi-device deployments.
Key Features & Specifications
- Model: C892-K9 V02 (Cisco 892FSP)
- Router Series: Cisco 890 Series Integrated Services Router (ISR)
- WAN Interfaces:
- 1 x Gigabit Ethernet (RJ45) WAN port
- 1 x Gigabit Ethernet/SFP combo WAN port (supports copper or fiber via SFP module)
- LAN Switching:
- 8 x 10/100/1000BASE-T managed switch ports (Layer 2 with VLAN, QoS, and security)
- Security & Performance:
- Cisco IOS Firewall with Zone-Based Policy Firewall (ZBFW)
- IPSec VPN (site-to-site and remote access)
- Intrusion Prevention System (IPS)
- Content Filtering & URL Blocking
- Hardware-accelerated encryption (AES, 3DES) via K9 crypto image
- WAN Throughput: Up to 150 Mbps with security services enabled
- VPN Throughput: Up to 75 Mbps
- Voice Support: Optional Cisco Unified Communications Manager Express (CME) for IP telephony (licenses and DSPs required)
- Management:
- Cisco IOS CLI
- Cisco Configuration Professional (CCP)
- SNMP, NetFlow Lite
- Limited support for Cisco DNA Center
- Form Factor: Compact, fanless desktop design (ideal for quiet office environments)
- Power: Internal AC power supply (100–240V)
Note: The “K9” indicates the router includes the strong cryptographic (security) IOS image, enabling full VPN and encrypted management. The “V02” denotes a specific hardware revision, often with updated components or regional compliance.
Dual WAN Flexibility: Copper + Fiber in One Device
A standout feature of the C892FSP is its dual WAN capability:
- Primary WAN: Gigabit Ethernet (RJ45) for cable, DSL, or fiber ONT
- Secondary/Failover WAN: GE/SFP combo port—use copper for cost efficiency or insert an SFP module (e.g., 1G LX/SX) for fiber uplinks to service provider networks
This enables: ✅ Hybrid WAN deployments (e.g., broadband + fiber)
✅ Automatic failover for business continuity
✅ Future-proofing—upgrade to fiber without replacing the router
SFP modules sold separately (e.g., GLC-LH-SMD, GLC-SX-MMD).
Enterprise Security in a Small Footprint
The C892-K9 V02 delivers comprehensive threat protection:
- Stateful Inspection Firewall: Control traffic between zones (e.g., LAN, WAN, DMZ)
- IPSec VPN: Securely connect branches to HQ or cloud (AWS, Azure)
- Intrusion Prevention (IPS): Block exploits, worms, and known attack patterns
- Secure Remote Management: SSH, HTTPS, ACLs
- Compliance Support: Meets baseline requirements for PCI DSS, HIPAA, and GDPR when properly configured
All security functions are hardware-accelerated, minimizing performance impact during encrypted traffic inspection.
Integrated Switching for Simplified Networking
The built-in 8-port Gigabit switch eliminates the need for a separate access switch:
- VLAN segmentation (e.g., guest, corporate, IoT networks)
- Port security and 802.1X authentication
- QoS for prioritizing voice/video traffic
- PoE pass-through support on select ports* (verify exact model configuration)
*Note: The base C892-K9 does not include PoE; PoE models are designated separately (e.g., C892FSP-K9).
Ideal Use Cases
- Small business headquarters needing secure internet, switching, and fiber readiness
- Branch offices requiring encrypted site-to-site connectivity
- Retail stores with PCI-compliant payment systems
- Professional offices (legal, medical) handling sensitive data
- Remote sites using fiber for low-latency cloud access
Technical Summary
C892FSP-K9 Specification |
|
| Cable | |
| Connectivity Details Type | Network cable |
| Connectivity Details Length | 6 ft |
| Cable Details | |
| Included Qty | 1 |
| Capacity | |
| Type | Connection / user qty |
| Value | 50 |
| Dimensions & Weight | |
| Width | 12.7 in |
| Depth | 9.8 in |
| Height | 1.7 in |
| Environmental Parameters | |
| Min Operating Temperature | 32 °F |
| Max Operating Temperature | 104 °F |
| Humidity Range Operating | 10 – 85% (non-condensing) |
| Flash Memory | |
| Installed Size | 256 MB |
| Max Supported Size | 256 MB |
| Header | |
| Compatibility | PC |
| Manufacturer | Cisco Systems |
| Packaged Quantity | 1 |
| Product Line | Cisco |
| Model | 892FSP |
| Brand | Cisco |
| Interface Provided | |
| Interface | Ethernet 10Base-T/100Base-TX/1000Base-T |
| Type | USB 2.0 |
| Qty | 1 |
| Connector Type | 4 pin USB Type A |
| Miscellaneous | |
| Compliant Standards | AS/NZ 3548 Class B, AS/NZS 60950-1, CS-03, CSA 22.2 No. 60950, EN 60555-2, EN55022 Class B, EN55024, IEC 60950-1, UL 60950-1, VCCI-II |
| Authentication Method | RADIUS, TACACS+ |
| Networking | |
| Type | Router |
| Connectivity Technology | Wired |
| Data Link Protocol | Ethernet, Fast Ethernet, Gigabit Ethernet |
| Remote Management Protocol | CLI, HTTP, SNMP 3, SSH, Telnet |
| Compliant Standards | IEEE 802.1ag, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1x, IEEE 802.3ah |
| Status Indicators | Port status, Power |
| Network Transport Protocol | IPSec, L2TP |
| Routing Protocol | BGP, Bidirectional Forwarding Detection (BFD), EIGRP, GRE, HSRP, NHRP, OSPF, RIP-1, RIP-2, VRRP, WCCP |
| Integrated Switch | 8-port switch |
| Form Factor | Desktop |
| WAN Ports Qty | 2 |
| Key Features | USB port, VPN support |
| OS Provided | |
| Type | Cisco IOS Advanced IP services |
| Power Device | |
| Frequency Required | 50/60 Hz |
| Power Provided | 60 Watt |
| Nominal Voltage | AC 120/230 V |
| Type | External power adapter |
| RAM | |
| Installed Size | 512 MB |
| Max Supported Size | 1 GB |




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