• Cisco C1121X-8PLTEP silver router with vented panel and logo
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Cisco

Cisco C1121X-8PLTEP | ISR 1100X 8-Port Gigabit PoE+ Router, LTE, 2x GE SFP

C1121X-8PLTEP

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Description

The Cisco C1121X-8PLTEP is an ISR 1100X Series enterprise router designed for branch offices and retail locations requiring reliable wired and cellular WAN connectivity. Featuring eight Gigabit Ethernet PoE+ LAN ports, dual Gigabit WAN uplinks with SFP support, and a pluggable LTE-Advanced modem with GPS and SMS capabilities, this compact fanless router delivers SD-WAN, advanced security, and app-hosting features. With 8 GB DRAM and flash, it supports distributed IoT and edge deployments where wireless failover and flexible management are critical.

Features

Integrated 8-port Gigabit Ethernet switch for LAN connectivity
- Dual WAN uplinks (1 x RJ-45, 1 x RJ-45/SFP combo) for redundant or load-balanced WAN connections
- Pluggable LTE-Advanced cellular module (CAT4/CAT6) with dual SIM support for wireless WAN failover or primary connectivity
- GPS and SMS capabilities for location tracking and out-of-band management
- Optional PoE/PoE+ support (4 PoE or 2 PoE+) on LAN ports to power IP phones, access points, and cameras
- 8 GB DRAM and 8 GB flash for running containerized applications and app-hosting at the edge
- SD-WAN capabilities with Cisco IOS XE for centralized policy management and secure overlay networks
- Advanced security features including stateful firewall, VPN, and intrusion prevention
- Fanless, silent operation for noise-sensitive environments
- Compact desktop or wall-mountable form factor for space-constrained locations
- Management via CLI, web UI, SNMP, and Cisco DNA Center or vManage
- Layer 3 routing with support for dynamic routing protocols (OSPF, EIGRP, BGP)
- Quality of Service (QoS) for traffic prioritization and bandwidth management
- High availability features including dual SIM cellular failover and redundant WAN connectivity

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

8 x Gigabit Ethernet LAN ports (PoE/PoE+ support: 4 PoE or 2 PoE+)
- 2 x Gigabit Ethernet WAN uplinks (1 x RJ-45, 1 x RJ-45/SFP combo)
- Pluggable LTE-Advanced modem with CAT4/CAT6 support, dual SIM, GPS, and SMS
- 8 GB DRAM, 8 GB flash for app-hosting capabilities
- Maximum encrypted throughput (single tunnel, IMIX): 650 Mbps
- SD-WAN IPsec throughput (large packet): 1889 Mbps
- Cisco IOS XE Software (minimum version 16.11.1)
- Fanless, compact desktop or wall-mountable form factor
- Micro USB console (USB 3.0), management via CLI, web UI, SNMP
- LTE bands: 700, 800, 850, 900, 1500, 1700, 1800, 2100, 2300, 2500, 2600 MHz; supports HSPA+, DC-HSPA+, UMTS

FAQs

Q: What is the primary use case for the C1121X-8PLTEP?
A: This router is designed for branch offices, retail sites, and edge deployments requiring integrated routing, cellular WAN failover, and PoE switching in a single compact platform. The pluggable LTE modem with GPS and SMS capabilities makes it ideal for locations with limited fixed-line connectivity or mobile environments.

Q: Does the C1121X-8PLTEP support SD-WAN?
A: Yes, the C1121X-8PLTEP supports Cisco SD-WAN in controller mode and can deliver up to 1889 Mbps large-packet SD-WAN IPsec throughput and 465 Mbps IMIX throughput, making it suitable for secure, policy-driven branch connectivity.

Q: How many devices can be powered via PoE on this router?
A: The C1121X-8PLTEP supports optional PoE/PoE+ on the 8 GE LAN ports, specifically 4 PoE ports or 2 PoE+ ports, allowing you to power IP phones, access points, or cameras without separate power injectors. A 150W power supply is required when PoE/PoE+ is enabled.

Q: What memory configuration does the 'X' designation indicate?
A: The 'X' in C1121X-8PLTEP signifies 8 GB DRAM and 8 GB flash, providing app-hosting capabilities for running containerized applications or third-party services at the branch edge, compared to 4 GB/4 GB in non-X models.

Q: Can this router be used with fiber WAN connections?
A: Yes, one of the two WAN uplinks is a combo RJ-45/SFP port, allowing you to connect fiber-based WAN handoffs using compatible SFP transceivers, providing flexible copper or fiber upstream connectivity.

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