Cisco C892FSP-K9 Full Product Description

1. Short Overview

Suffix Breakdown

• C892: Expandable base enterprise branch ISR platform of Cisco 890 Series with internal hardware expansion slot
• F: Fiber-capable combo GE/SFP mini-GBIC slot for hot-swappable fiber uplink transceivers
• SP: Switch Gigabit Performance, full 8-port Gigabit LAN switch (differentiates from Fast Ethernet LAN C892F)
• -K9: Permanent Cisco cryptographic license bundle enabling AES-128/AES-192/AES-256, 3DES, DES, SHA-1/SHA-2, IKEv1/IKEv2 full encryption suite with dedicated hardware crypto offload

Core Differentiators

1. vs C892F-K9: C892F-K9 uses 8-port Fast Ethernet LAN switch; C892FSP-K9 upgrades to full 8-port Gigabit managed LAN for high-throughput wired endpointsCisco.
2. vs wireless C892FW-K9 variants: C892FSP-K9 omits dual-band 802.11n WLAN radio; wireless SKUs integrate built-in AP for on-site mobile client coverage.
3. vs non-fiber expandable C892-K9: C892-K9 only has copper FE/GE WAN ports without SFP fiber slot and Fast Ethernet LAN; C892FSP-K9 adds combo SFP fiber WAN and full Gigabit LAN switching.
4. vs C891F-K9: C891F-K9 has no internal expandable WAN slot and V.92 analog modem backup; C892FSP-K9 features expansion slot for optional leased-line/cellular modules and ISDN BRI dial backup instead of V.92 PSTN modemCisco.
5. vs xDSL/G.SHDSL 896VA / 897VA / 898EA series: Those models integrate onboard copper DSL modems; C892FSP-K9 focuses on dual GE/SFP fiber-copper Ethernet WAN without xDSL hardware.
6. vs industrial hardened C819HG series: C892FSP-K9 is commercial fanless metal desktop chassis with standard indoor temperature range, not certified for vehicle, railway or extreme outdoor industrial shock/vibration environments.

2. Hardware Interface & Performance Specifications

Dual Independent Gigabit WAN Interfaces (Automatic Failover Supported)

1. 1 × 10/100/1000BASE-T Copper Gigabit Ethernet WAN port: Primary cable/metro-Ethernet broadband uplink, auto MDI/MDI-X speed & duplex negotiation
2. 1 × Combo GE/SFP Hot-Swappable Fiber WAN Slot: Dual-purpose port supporting either copper RJ45 GE or hot-swappable GE SFP transceivers (SX/LX/ZX), independent redundant fiber high-bandwidth transport path

Internal Expandable WAN Module Slot

Tertiary ISDN BRI Backup Port

Full Gigabit LAN Switch Interfaces

• Supports 802.1Q VLAN tagging, port isolation, static MAC security, dedicated DMZ port assignment, broadcast storm control, SPAN port monitoring, LACP link aggregation, Smartport macros and per-port speed limiting
• Optional IEEE 802.3af PoE capability when paired with 125W high-power AC supply (15.4W per PoE port for IP cameras, VoIP phones and wireless APs)

Management & Auxiliary Ports

1. Separate dedicated RJ45 Console port: Local CLI configuration via rollover cable, independent from AUX port
2. Independent RJ45 AUX port: Standalone auxiliary serial port for extra out-of-band management access
3. Single USB 2.0 Type-A host port: External flash storage for log archiving, offline configuration backup and EEM script automation extensionsCisco
4. Hardware reset button, Kensington security lock slot for physical anti-theft protection
5. Onboard real-time clock (RTC) for accurate timestamping of logs, security certificates and event triggers

Memory & Storage

• DRAM: 512 MB standard system memory, expandable up to 768 MB for up to 50 concurrent IPsec VPN tunnels, dual-stack routing and inline IPS inspection
• Flash storage: 256 MB onboard flash; factory preloaded c890-universalk9-mz Advanced Security IOS image, minimum supported release 15.4(2)T

Front Panel LED Status Indicators

Physical & Power Parameters

• Form factor: Fanless all-metal compact desktop chassis, optional wall-mount bracket available
• Dimensions (H × W × D): 44 mm × 438 mm × 302 mm (1.75 × 17.25 × 12 inches) with rubber anti-slip feet
• Weight: ~2.5 kg (5.5 lbs) without power supply
• Two official power supply options
  1. 60W universal AC adapter (for non-PoE deployments, 12 VDC output)
  2. 125W high-power universal AC adapter (mandatory if PoE LAN ports are utilized)
• Typical maximum power consumption: 26 W under full GE + SFP + all Gigabit LAN ports active load
• Ingress protection: IP20, only suitable for dry indoor commercial office environments

Environmental Operating Specifications

• Operating temperature: 0°C ~ +40°C (32°F ~ 104°F); performance derates 1.5°C per 1000m altitude above 3000m
• Storage temperature: -20°C ~ +65°C (-4°F ~ 149°F)
• Relative humidity: 10%–85% RH non-condensing
• Maximum operating altitude: 3,000 m (10,000 ft)

3. Hardware Acceleration & Security Engine

• Dedicated onboard crypto co-processor to offload IPsec VPN encryption traffic and eliminate CPU bottlenecks under up to 50 concurrent site-to-site and remote access tunnel loads
• Permanent K9 crypto license unlocks complete enterprise encryption stack: DES, 3DES, AES-128/192/256, SHA-1/SHA-2 hash algorithms, IKEv1/IKEv2 static site-to-site tunnels, Easy VPN remote access and DMVPN hub-spoke dynamic tunnels
• Integrated traffic isolation filters to separate corporate LAN, PoE-powered device subnet and optional expansion module WAN transport via independent VLAN segmentation

4. Cisco IOS Advanced Security Feature Suite

Dual Gigabit WAN Fiber + Copper Expandable Routing

• Cisco Express Forwarding (CEF), static routing, RIPv1/v2, OSPF, EIGRP, BGP, GRE/MGRE tunnel encapsulation, complete IPv4/IPv6 dual-stack support
• Automatic policy-based dual-WAN failover logic between combo SFP fiber primary WAN and copper GE backup link
• ISDN BRI tertiary dial backup triggered upon simultaneous failure of both Ethernet/fiber uplinks
• Expansion slot WAN module management: Real-time module detection, transport failover integration, dedicated MIB telemetry for optional serial/cellular modules
• Policy-based routing (PBR), multi-NAT pools, PAT overload for logical segmentation of PoE-powered and standard Gigabit LAN endpoints
• DHCP server/relay/client, DNS proxy, dynamic DNS, Ethernet OAM and 802.3ah link monitoring for fiber/copper WAN health tracking

Enterprise Security Suite

• Zone-Based Stateful Policy Firewall (ZBFW) for logical separation of internal corporate LAN, PoE device subnet, DMZ and untrusted internet traffic
• Dynamic Multipoint VPN (DMVPN), Easy VPN Server & Client, IKEv2 IPsec encrypted tunnels for inter-branch corporate connectivity over fiber or copper transport
• Signature-based inline Intrusion Prevention System (IPS), Cisco ScanSafe cloud URL filtering, deep NBAR application control for HTTP, FTP, IM and mainstream business traffic
• AAA authentication via TACACS+ / RADIUS, 802.1X port authentication available on all 8 managed Gigabit LAN switch ports
• Secure management only: SSHv2, HTTPS; plaintext Telnet disabled by factory default
• Granular access control lists (ACLs), static MAC address port lockdown on Gigabit switch ports

QoS & High-Bandwidth Gigabit/Fiber Optimization

• Weighted Fair Queuing (WFQ), Class-Based WFQ (CBWFQ), Low Latency Queuing (LLQ) for voice, video surveillance, SCADA and POS payment real-time traffic prioritization
• NBAR deep application recognition to classify and prioritize business-critical high-bandwidth traffic over fiber uplinks
• RTP/TCP header compression, traffic shaping and policing to control metered broadband bandwidth consumption and avoid overage charges
• PoE QoS scheduling to guarantee stable power and bandwidth priority for critical IP camera and VoIP phone traffic

Remote Management & Automation

• Zero-Touch Provisioning (ZTP) for standardized mass enterprise branch and service provider Metro Ethernet CPE deployments
• Cisco IOS Embedded Event Manager (EEM) scriptable triggers for fiber link loss, copper WAN failure and expansion module offline automated alert responses
• SNMP v2c/v3, remote syslog logging, IP SLA end-to-end link performance monitoring, dedicated SFP fiber diagnostic MIB for optical transceiver telemetry
• Native compatibility with Cisco Configuration Professional (CCP) web GUI for simplified no-CLI deployment and daily monitoring of routing, security, PoE and fiber interfaces
• GOLD non-disruptive onboard diagnostics for continuous remote hardware health inspection of SFP fiber, copper Ethernet and expansion slot subsystems

5. Typical Deployment Scenarios

1. Metro Ethernet Small Business Dual-Gigabit Secure Gateway with Expandable WAN
   Combo SFP fiber acts as primary high-speed uplink, copper GE serves as redundant backup; full 8-port Gigabit LAN switch with optional PoE powers POS payment terminals, office PCs, VoIP phones and multi-camera surveillance arrays. Persistent IPsec DMVPN tunnels securely transmit large business data back to corporate data centers, zone firewall + inline IPS jointly mitigate public internet threats. The internal expansion slot enables later addition of cellular or leased-line WAN modules without hardware replacement.
2. Service Provider Managed Fiber CPE for Medium Enterprise Subscribers
   Uniform hardware platform allows ISPs to provision either SFP fiber or copper GE Metro Ethernet services on a single model, centralized ZTP mass deployment and remote SNMP monitoring for managed security, high-bandwidth networking service offerings.
3. Mission-Critical Tiny Regional Satellite Office Multi-Tier Redundant Branch Router
   Dual Gigabit WAN + ISDN BRI tertiary dial backup meets strict enterprise business continuity requirements, full Gigabit switching supports dozens of wired endpoints without external switches, PoE eliminates separate power injectors for IP cameras and VoIP handsets, EIGRP/BGP enables seamless integration into corporate core routing domains.
4. Campus Small Remote Building PoE IoT & Surveillance Edge Router
   Aggregates PoE-powered IP cameras, access control units and environmental monitoring sensors via Gigabit LAN ports; SFP fiber uplink delivers high-throughput backhaul to campus core network, automatic copper GE failover ensures uninterrupted video and sensor data transmission during fiber outages.
5. Cloud-Focused Teleworker Small Office Secure VPN Concentrator
   Deployed at remote employee residences with fiber Metro Ethernet coverage, dual Gigabit transport provides high-speed primary/backup VPN transport to corporate headquarters, integrated security services protect all wired Gigabit endpoints from internet malware and unauthorized access.

6. Standard Package Contents of C892FSP-K9 SKU

Separately Sold Optional Accessories

• RJ45 rollover console cable for local CLI configuration
• GE SFP fiber transceivers (SX/LX/ZX) for combo fiber WAN uplink
• ISDN BRI telephone line cord for tertiary dial backup
• 60W non-PoE AC power supply / 125W high-power PoE AC power supply
• Optional WAN expansion modules for the internal expansion slot
• Spare replacement AC power adapter
• USB flash storage drives for log archiving and offline configuration backup
• CAT5e/CAT6 Ethernet patch cords for LAN/copper GE WAN connections

Software Licensing Information

• The-K9suffix includes a permanent built-in cryptographic license; no additional purchase required for IPsec, AES encryption and secure management protocols
• All core routing, dual-Gigabit fiber+copper failover, xWAN expansion module management, firewall, inline IPS, QoS, ZTP and full Gigabit managed switch features are fully included in the base Advanced Security IOS image; no extra paid feature licenses required
• No wireless AP or cellular modem feature licenses applicable (corresponding hardware omitted from this wired-only SKU)

Short Commercial Catalog Summary