Full English Description for Cisco IR1835-K9

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

2. Complete Detailed Product Overview

Product Line Positioning

Core Fixed Hardware Interfaces

WAN & PoE+ LAN Ethernet 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× auto-sensing 10/100/1000BASE-T Gigabit RJ45 LAN ports with 802.3at PoE+ power output, supplying up to 30W per port for IP cameras, industrial sensors, wireless access points; all ports support IEEE 802.1Q VLAN trunking, hardware QoS, MACsec link encryptionCisco

Serial, Digital I/O & Vehicle Telematics Interfaces

• 1× RS232 DTE RJ45 serial port for standard SCADA field equipment
• 1× Multi-mode RJ45 serial port supporting RS232 DCE / RS422 / full/half-duplex RS485 for industrial Modbus RTU multi-drop wiring
• 4× Isolated digital input/output terminals for remote relay control, sensor alarm trigger and external equipment status monitoring (unique to IR1835)
• Integrated CAN bus terminal port supporting J1939/OBDII vehicle telematics data collection for fleet tracking, engine diagnostics and predictive maintenance
• 4-pin Molex power + CAN bus combo terminal block with enhanced ignition sense circuit, configurable undervoltage shutdown protection to prevent vehicle battery over-dischargeCisco

Management & Auxiliary Ports

• Micro-USB Type B console port for local out-of-band configuration
• Lockable USB 2.0 Type-A host port with mechanical screw lock for hazardous location deployment, used for license import, offline config backup and peripheral mounting
• Multi-color status LEDs for system health, Ethernet link, cellular signal strength, Wi-Fi connectivity, GNSS positioning fix, digital I/O state and VPN tunnel status
• Hardware reset push button for one-click factory default recoveryCisco

Modular Plug-In Expansion Slots (Key Differentiators vs IR1833)

1. 2 × Independent Cellular PIM Slots: Each slot supports Cisco 4G LTE CAT4/CAT18 and 5G NSA/SA pluggable modems with separate dual SIM card holders, enabling dual-active wireless redundancy, multi-carrier load balancing, FirstNet and Verizon Frontline public safety cellular compatibility
2. 1 × Wide Wi-Fi Plug-In Slot: Compatible with WP-WIFI6 modules for on-board passenger Wi-Fi or short-range industrial sensor coverage, supports CAPWAP, EWC and Work Group Bridge modes
3. 1 × Dedicated ADR GNSS Slot: Accepts IRM-GNSS-ADR automotive dead-reckoning module with multi-constellation positioning (GPS, Galileo, GLONASS, Beidou), delivers continuous high-accuracy location tracking in tunnels, urban canyons and weak signal environments
4. 1 × Industrial mSATA SSD Bay: Supports IRM-SSD-100G 100GB industrial SSD for local edge data caching, telemetry log retention and IOx edge application storageCisco

Processor, Memory & Storage

• CPU: High-performance 1200MHz dual-core ARM industrial processor, double the clock speed of IR1821/IR1831/IR1833, optimized for heavy IOx edge computing, NGFW inspection and large-scale SD-WAN tunnel processing
• Memory: Factory default 8GB DDR industrial RAM (doubled capacity vs lower-tier models), field non-upgradable, supports larger concurrent VNF sessions and full advanced security feature sets
• Boot Flash: 8GB rugged industrial flash for IOS XE system images, crash dumps and basic system logging
• Expandable Storage: Hot-swappable mSATA SSD bay for extended offline data storage, edge analytics and containerized application runtime filesCisco

Power, Mechanical & Environmental Specifications

• DC Input Voltage Range: 9 VDC – 36 VDC wide-range vehicle/industrial power, compatible with 12V/24V automotive nominal voltages
• Ignition Power Control: Advanced multi-threshold ignition sensing circuit with configurable undervoltage, overvoltage and auto-shutdown timers to protect vehicle batteries
• Power Consumption: Typical 26W without PoE load; maximum 75W with all four PoE+ ports fully loaded
• Mounting Options: DIN rail, vehicle panel, wall-mount brackets
• Enclosure Rating: IP40 dust protection standard; IP54 rated with optional IR1800-IP54-KIT enclosure kit
• Dimensions: 55.9mm H × 280.4mm W × 204.7mm D (2.20 × 11.04 × 8.06 in); 2.4kg weight without modules
• Thermal Performance: Passive fanless cooling;
  • -40°C ~ +60°C in sealed zero-airflow cabinet
  • -40°C ~ +70°C in vented cabinet with 40 LFM airflow
  • -40°C ~ +75°C with forced 200 LFM air cooling
• Shock & Vibration Compliance: EN50155 railway transit certified, SAE J1455 automotive standard, MIL-STD-810G shock/vibration rating for mobile asset and mining deployments

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 Ready, 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
• Industrial ICS: IEC 62443 industrial control system security complianceCisco

Official Performance Benchmarks

• Aggregate IPv4 CEF forwarding throughput: Up to 800 Mbps
• Hardware-accelerated IPsec VPN throughput: Up to 250 Mbps
• Maximum concurrent SD-WAN SVTI overlay tunnels: 1000 tunnels (higher capacity than 4GB memory IR1800 models)
• Hardware offload support for QoS traffic shaping, stateful NAT, AES-256 encryption and full NBAR2 DPI inspection

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

1. Catalyst SD-WAN & Dual Cellular Multi-WAN Resilience

   Zero-touch provisioning via vManage, automatic wired/cellular multi-WAN failover, dual-active cellular link redundancy with sub-500ms switchover, seamless integration with Cisco IoT Field Network Director (FND), Catalyst Center and ThousandEyes Assurance for unified mobile/industrial edge lifecycle and end-to-end network monitoring.
2. Multi-Protocol Vehicle Telematics & Industrial OT Protocol Stack

   Native CAN bus J1939/OBDII data acquisition, ADR high-precision dead-reckoning location tracking, Modbus TCP/RTU, DNP3, IEC 60870-5 substation SCADA protocols, multi-mode RS485 serial passthrough and 4 digital I/O remote control for multi-drop industrial field equipment.
3. Enterprise-Grade NGFW Integrated Security Suite (Enhanced on IR1835)

   Hardware IPsec/SSL VPN acceleration, full next-generation stateful firewall, IPS/IDS intrusion prevention, advanced malware protection, URL filtering, policy NAT, ACL filtering, AAA RADIUS/TACACS+, TLS encrypted remote access, IT/OT traffic segmentation and Cisco Cyber Vision industrial asset visibility for critical fleet and industrial data protection.
4. Dual-Stack Enterprise Routing Protocols

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

   Local offline data buffering on industrial SSD, NetFlow/IPFIX telemetry export, streaming telemetry, REST API, NETCONF/YANG programmability, robust IOx container hosting for heavy edge telematics, analytics and third-party industrial applications, supported by expanded 8GB memory capacityCisco.

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
• 1835 = Top-tier Pro hardware variant of IR1800 platform (1200MHz CPU, 8GB memory, RS485 serial, 4 digital I/O, full advanced security)
• K9 = Base hardware chassis bundled with universal full-feature IOS XE industrial mobile license package