Full English Description for Cisco IR1821-K9

1. Official Short Order Description (Cisco Datasheet Standard Format)

2. Complete Detailed Product Overview

Product Line Positioning

Core Fixed Hardware Interfaces

WAN & LAN Ports

• 1× Combo Gigabit Ethernet WAN port: 10/100/1000BASE-T RJ45 copper + 1000BASE-X SFP fiber slot for primary wired MPLS/DIA backhaul
• 4× 10/100/1000BASE-T auto-sensing Gigabit RJ45 LAN ports to connect vehicle cameras, industrial sensors, PLCs and on-board IoT endpoints
• 1× Isolated RS232 DTE serial port for legacy industrial serial SCADA communication
• Native CAN bus terminal interface supporting J1939/OBDII vehicle telematics data collection for fleet monitoring and predictive maintenanceCisco Live

Management & Auxiliary Ports

• Micro-USB Type B console port for local out-of-band configuration
• USB 2.0 Type-A host port for license import, offline config backup and peripheral mounting
• Multi-color status LEDs for system health, Ethernet link, cellular signal, Wi-Fi and VPN tunnel status
• Hardware reset push button for factory default recovery
• Ignition sense power terminal for vehicle battery drain protection and automatic power cycle control

Modular Plug-In Expansion Slots (IR1821 Exclusive Layout)

1. 1 × Cellular PIM Slot: Supports Cisco 4G LTE CAT4/CAT18 and 5G NSA/SA pluggable modems with dual SIM card holders for multi-carrier wireless failover; compatible with FirstNet and Verizon Frontline public safety cellular bands
2. 1 × Wide Wi-Fi Plug-In Slot: Accepts WP-WIFI6 series Wi-Fi 6 modules for on-board passenger wireless access or short-range industrial sensor coverage

• No secondary cellular slot, no mSATA SSD bay, no GNSS dead-reckoning module slot, no PoE hardware (differentiators from mid/high-tier IR1833/IR1835)Cisco

Processor, Memory & Storage

• CPU: 600MHz low-power industrial ARM processor optimized for fanless passive cooling and vehicle low-power operation
• Memory: Factory fixed 4GB DDR industrial RAM, non-upgradable
• Boot Flash: 4GB rugged industrial flash for IOS XE system images, crash dumps and basic system logging
• No onboard expandable SSD storage slot; local data caching limited to internal flash without external storage expansion capabilityCisco

Power, Mechanical & Environmental Specifications

• Input Voltage Range: Wide-range 9–60 VDC vehicle/industrial terminal block power, supports 12V/24V automotive nominal voltages
• Ignition Power Control: Built-in ignition sensing to auto-shutdown router when vehicle engine off to prevent battery over-discharge
• Chassis Form Factor: Compact low-profile fanless enclosure, mounting options include DIN rail, vehicle panel, wall mount
• Thermal Performance: Passive fanless cooling; operating temperature -40°C to +70°C, storage -40°C to +85°C
• Shock & Vibration Compliance: EN50155 railway transit certified, automotive anti-vibration rating for fleet vehicle deployment
• Enclosure Rating: IP30 dust protection when vertically installed with ports facing downward
• Weight & Dimensions: Lightweight compact design optimized for vehicle cabinet tight space installation

Industry & Hazardous Compliance Certifications

• Safety: UL 60950-1, IEC/EN 60950-1 CB certified
• Transportation: EN50155 rail standard, automotive E-Mark certification
• Public Safety: FirstNet, Verizon Frontline cellular network certified
• EMC: FCC Class A, CE industrial electromagnetic compatibility
• Hazardous Zones: ATEX, IECEx Class I Zone 2; ANSI/ISA 12.12.01 Class 1 Div 2 for oil, gas and chemical remote sites

Official Performance Benchmarks

• Aggregate IPv4 CEF forwarding throughput: Up to 500 Mbps
• Hardware-accelerated IPsec VPN throughput: Up to 150 Mbps
• Maximum concurrent SD-WAN SVTI overlay tunnels: 600 tunnels
• Hardware offload support for QoS traffic shaping, stateful NAT and AES-256 encryption

Software & Core Supported Capabilities (IOS XE Industrial Mobile Image)

1. Catalyst SD-WAN & Multi-WAN Mobile Resilience

   Zero-touch provisioning via vManage, automatic wired/cellular multi-WAN failover, dual-SIM wireless redundancy, seamless integration with Cisco IoT Field Network Director (FND) and Catalyst Center for unified mobile/industrial edge lifecycle management.
2. Vehicle Telematics & Industrial OT Protocol Stack

   Native CAN bus J1939/OBDII data acquisition, Modbus TCP/RTU, DNP3, IEC 60870-5 substation SCADA protocols, serial passthrough for legacy field equipment.
3. Mobile & Industrial-Grade Integrated Security Suite

   Hardware IPsec/SSL VPN acceleration, zone-based stateful firewall, policy NAT, ACL filtering, AAA RADIUS/TACACS+, TLS encrypted remote access, IoT traffic segmentation threat visibility for critical fleet and industrial data.
4. Dual-Stack Enterprise Routing Protocols

   IPv4/IPv6 dual-stack, BGP, OSPF, EIGRP, static routing, PBR, basic multicast routing for private industrial WAN and hybrid cloud interconnection.
5. Edge Automation & Telemetry

   NetFlow/IPFIX telemetry export, streaming telemetry, REST API, NETCONF/YANG programmability, IOx application hosting for lightweight edge telematics processing.

Typical Deployment Scenarios

3. E-commerce Short Marketing Description

4. Product Catalog Keyword Tags

Naming Rule Explanation

• IR = Industrial Rugged hardened mobile/industrial router series
• 1821 = Entry Lite hardware variant of IR1800 modular platform
• K9 = Base hardware chassis bundled with universal IOS XE industrial mobile feature license