C1121-4PLTEP Cisco ISR 1100 4 Port Dual GE SFP Router SMS/GPS

Highlights of Cisco C1121-4PLTEP ISR 1100 4Port Dual GE Router

The Cisco C1121-4PLTEP Integrated Services Router is a high-performance networking solution designed for secure branch connectivity, IoT deployments, and mobile networking environments. With built-in LTE, GPS, and advanced security features, this enterprise-grade router ensures reliable communication, seamless WAN failover, and centralized management.

General Information

• Manufacturer: Cisco
• Part Number: C1121-4PLTEP
• Product Type: Integrated Services Router (ISR 1100 Series)
• Sub Type: 4-Port Dual GE SFP LTE/GPS Router

Technical Specifications

• Up to 370 Mbps encrypted IPsec VPN throughput (IMIX)
• Optimized for branch office and enterprise WAN connectivity
• Efficient handling of secure and high-volume traffic

Advanced Performance & Processing Power

High-Speed VPN & Secure Data Transmission

• Delivers up to 370 Mbps IPsec VPN throughput for encrypted communications
• Optimized for IMIX traffic performance in enterprise environments
• Ideal for branch offices, remote sites, and mission-critical applications

Robust Memory Configuration

• 4 GB DRAM ensures smooth multitasking and application handling
• 4 GB Flash storage for firmware, configurations, and logs
• Supports future scalability and software upgrades

Flexible Connectivity & Network Interfaces

LAN & WAN Interface Options

• 4 x Gigabit Ethernet LAN ports for high-speed internal networking
• 1 x Dedicated Gigabit Ethernet WAN port
• 1 x Dual-purpose GE combo port (RJ-45/SFP) for fiber or copper connections

Integrated LTE Cellular Connectivity

• Built-in pluggable LTE module supporting CAT4, CAT6, or CAT18
• Dual SIM slots for carrier redundancy and uninterrupted connectivity
• Ideal for backup WAN or primary wireless deployments

GPS & SMS Functionality

• Integrated GPS capability for real-time location tracking
• Supports SMS alerts and notifications for remote monitoring
• Perfect for transportation, logistics, and mobile infrastructure

Power over Ethernet (PoE) Capability

Flexible Power Delivery

• Supports up to 2 PoE ports or 1 PoE+ port
• Requires optional 115W AC power supply for PoE functionality
• Power IP phones, wireless access points, and IoT devices directly

Enterprise-Grade Security & Management

Advanced Security Features

• Built-in application-aware firewall for deep packet inspection
• Supports strong encryption protocols: DES, 3DES, AES
• Integrated IPsec VPN for secure site-to-site and remote access
• Advanced malware protection to safeguard network traffic

Centralized Management & SD-WAN Ready

• Runs on Cisco IOS XE operating system
• SD-WAN ready for cloud-based orchestration and automation
• Simplifies network deployment, monitoring, and troubleshooting

Overview of Cisco C1121-4PLTEP ISR 4 Port Dual GE SFP Router

The Cisco C1121-4PLTEP ISR 1100 4 Port Dual GE SFP with Pluggable SMS GPS Router is a highly advanced integrated services router designed to deliver secure high performance connectivity for modern enterprise branch offices remote deployments and industrial environments where reliable communication and continuous connectivity are critical this router combines dual Gigabit Ethernet SFP interfaces LTE connectivity GPS capabilities and pluggable modules into a compact yet powerful platform that ensures seamless integration with existing network infrastructures while providing enhanced mobility security and application performance across distributed environments.

Integrated LTE Connectivity for Reliable Wireless WAN Access

The Cisco C1121-4PLTEP features integrated LTE connectivity that enables organizations to maintain reliable wireless WAN access ensuring continuous network availability even in areas where traditional wired connections may be unavailable unreliable or impractical this capability allows businesses to deploy network infrastructure in remote locations mobile environments and temporary sites without compromising on connectivity performance or operational efficiency while also providing a backup connection that ensures business continuity during primary link failures.

Dual WAN with LTE Backup for Redundant Connectivity and Seamless Failover Operations

The router supports dual WAN configurations including wired Ethernet connections and LTE backup ensuring that network traffic can automatically switch to the LTE connection in the event of a primary link failure maintaining uninterrupted connectivity and minimizing downtime for critical business applications and communication processes.

Cellular Performance for Stable Data Transmission and Consistent Network Access

The integrated LTE module is optimized for stable data transmission ensuring consistent network access with minimal latency fluctuations providing reliable performance for enterprise applications remote monitoring systems and mobile deployments where dependable connectivity is essential for operational success.

Dual Gigabit Ethernet SFP Interfaces for Wired Connectivity

The Cisco C1121-4PLTEP includes dual Gigabit Ethernet SFP interfaces that provide high speed wired connectivity allowing organizations to connect to fiber networks or other high performance communication links ensuring efficient data transfer and reliable communication across enterprise network infrastructures while offering flexibility in deployment options for different connectivity scenarios.

High Speed Data Transmission for Bandwidth Intensive Applications and Enterprise Workloads

The Gigabit Ethernet SFP interfaces support high speed data transmission ensuring that bandwidth intensive applications such as video conferencing cloud services and large scale data transfers can be handled efficiently without performance bottlenecks or network congestion.

Flexible SFP Module Support for Customizable Network Connectivity and Infrastructure Adaptability

The router supports a range of SFP modules allowing organizations to customize their network connectivity based on specific requirements ensuring compatibility with different network types and enabling seamless integration with existing infrastructure components.

Remote Management Asset Tracking and Location Based Services

The Cisco C1121-4PLTEP incorporates pluggable SMS and GPS capabilities that enhance the router’s functionality by enabling remote management communication and location tracking features this allows organizations to monitor and manage network devices in remote or mobile environments ensuring efficient operation and improved visibility across distributed network deployments.

SMS Based Communication for Remote Alerts Configuration and Network

The SMS functionality allows administrators to receive alerts send commands and monitor network status remotely ensuring that critical events can be addressed promptly even when traditional network access is unavailable enhancing operational responsiveness and reliability.

GPS Integration for Location Tracking and Asset Management in Mobile Deployments

The integrated GPS capability enables precise location tracking allowing organizations to monitor the position of deployed routers in mobile or remote environments supporting asset management logistics and location based service applications.

Protected Data Transmission and Secure Enterprise Network Operations

The Cisco C1121-4PLTEP is equipped with advanced security features designed to protect data transmission and ensure secure network operations across all connected environments these features include encryption support firewall capabilities secure VPN connectivity and advanced threat protection mechanisms that safeguard sensitive business information from unauthorized access cyber threats and potential data breaches.

Integrated Firewall and Intrusion Prevention for Enhanced Network Protection

The router includes integrated firewall and intrusion prevention systems that monitor network traffic identify potential threats and block unauthorized access attempts ensuring a secure networking environment and protecting enterprise resources from malicious activities.

Secure Remote Access and Encrypted Communication Across Distributed Networks

The device supports VPN connectivity enabling secure remote access and encrypted communication between different network locations ensuring that data remains confidential and protected during transmission across public or shared networks.

Efficient Traffic Management and Optimized Network Performance

The Cisco C1121-4PLTEP delivers high performance routing capabilities that ensure efficient traffic management optimized data flow and improved application performance across enterprise networks this enables organizations to maintain smooth communication and efficient data exchange across multiple network segments and connected devices.

Intelligent Routing Algorithms for Optimized Traffic Flow and Reduced Latency

The router utilizes intelligent routing algorithms that analyze network conditions and determine the most efficient paths for data transmission reducing latency improving throughput and ensuring optimal performance for critical applications and services.

Quality of Service Support for Prioritized Traffic and Enhanced Application Performance

The device includes Quality of Service capabilities that allow administrators to prioritize network traffic ensuring that critical applications receive the necessary bandwidth and resources to operate efficiently even during periods of high network demand.

Deployment in Diverse Environments Including Industrial and Remote Locations

The Cisco C1121-4PLTEP features a compact and rugged design that makes it suitable for deployment in a wide range of environments including industrial settings remote locations and mobile installations ensuring reliable performance under varying conditions and providing flexibility for different deployment scenarios.

Space Efficient Form Factor for Easy Installation and Flexible Placement Options

The compact form factor allows the router to be installed in limited spaces ensuring that it can be deployed easily in different environments without requiring significant physical infrastructure adjustments.

Durable Construction for Long Term Reliability and Consistent Network Operation

The rugged build quality ensures long term reliability allowing the router to operate consistently even in challenging environmental conditions reducing maintenance requirements and enhancing operational stability.

Simplified Configuration Monitoring and Operational Control

The Cisco C1121-4PLTEP supports centralized network management enabling administrators to configure monitor and manage network operations from a single interface improving efficiency reducing administrative complexity and ensuring consistent performance across all network segments.

Remote Management Capabilities for Network Administration and Reduced Downtime

The router supports remote management tools that allow administrators to access and control network settings from remote locations ensuring quick response to issues and minimizing downtime across distributed environments.

Comprehensive Monitoring Tools for Real Time Performance Analysis

The device provides comprehensive monitoring tools that enable administrators to analyze network performance identify bottlenecks and implement optimization strategies ensuring continuous improvement and efficient resource utilization.

Growing Business Requirements and Expanding Infrastructure Needs

The Cisco C1121-4PLTEP is designed to support scalable networking allowing organizations to expand their infrastructure and accommodate increasing connectivity demands while maintaining high performance and reliability ensuring long term value and adaptability to evolving business requirements.

Increasing Network Traffic and Additional Connected Devices

The router can handle increasing traffic volumes and additional devices ensuring that network performance remains stable as business operations grow and expand.

Architecture for Integration with Emerging Technologies and Network Innovations

The device is built with a future ready architecture that supports evolving networking technologies ensuring compatibility with new systems and enabling organizations to adapt to technological advancements without significant infrastructure changes.

Business Continuity Through Reliable Connectivity

The Cisco C1121-4PLTEP enhances productivity and business continuity by providing reliable connectivity optimized network performance and advanced features that support seamless communication and efficient data transfer ensuring that organizations can maintain operations without interruptions and deliver consistent service quality across all network environments.

Critical Applications and Uninterrupted Business Operations

The router ensures continuous connectivity for critical applications allowing businesses to operate efficiently without disruptions and maintain consistent service delivery across all network segments.

User Experience Through Stable Performance and Efficient Network Resource Utilization

The device delivers an optimized user experience by maintaining stable performance and efficiently utilizing network resources ensuring that users can access applications and services smoothly and without delays across all connected devices.