C1121X-8PLTEP – 8 LAN – 2 WAN (1 SFP combo) – Integrated Services Routers

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C1121X-8PLTEP

(4 customer reviews)
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C1121X-8PLTEP Description

Cisco C1121X-8PLTEP Integrated Services Router (ISR 1000 Series) combines advanced routing, integrated LTE WAN, and PoE switching in a single fanless platform. Also called C1121X 8-port LTE router, it features 8GB memory, 8 Gigabit LAN ports, dual WAN (RJ-45 and SFP), and a pluggable CAT4/CAT6 LTE modem with dual SIM support for wireless backup or primary WAN. The router delivers enterprise-grade security, SD-WAN support, and flexible management options, making it ideal for distributed offices, retail, mobile branches, and IoT edge deployments. Its compact, silent, and durable design allows versatile mounting and reliable operation in noise-sensitive or space-limited locations.

Product Highlights

WAN Ports
LAN Ports
Max Throughput(IPv4 IMIX)

C1121X-8PLTEP Rear Panel

C1121X-8PLTEP-front

1

Reset button

2

Power switch

3

4-pin power connector

4

Ethernet switch

5

Wi-Fi status

6

GE 0/0/1

7

GE WAN 0/0/0 -RJ45

8

GE WAN 0/0/0 -SFP

9

Micro-USB console

10

USB 3.0

11

Pluggable

12

Kensington lock slot

13

Grounding

Quick Specs

Parameter

C1121X-8PLTEP

WAN Ports

2 (1 × RJ-45, 1 × Combo SFP/RJ-45)

LAN Ports

8 × Gigabit Ethernet

PoE Support

4 PoE / 2 PoE+ (option)

LTE Support

Pluggable CAT4/CAT6 LTE modem

Memory

8GB DRAM / 8GB Flash

Max Throughput

1673 Mbps (IPv4 IMIX)

Dimensions (HxWxD)

1.65 x 10.8 x 7.85 in

Weight

3.48 lb (1.58 kg)

Power Supply

66W/150W AC Adapter

Operating Temp

0° to 40°C

Console Ports

RJ-45, Micro-USB

Key Features

8-Port Gigabit Ethernet Switch

Built-in 8-port managed GE switch supports seamless connectivity for office PCs, IP phones, and wireless devices on a single, compact platform.

Integrated Pluggable LTE Modem

Supports carrier aggregation (CAT4/CAT6) for 4G LTE WAN uplink, delivering wireless failover and mobile branch connectivity with dual SIM support.

Dual Flexible WAN Uplinks

1 RJ-45 and 1 Combo SFP/RJ-45 WAN enable copper/fiber ISP redundancy, hybrid deployments, and reliable high-availability connections.

Enterprise Security & SD-WAN Ready

Built-in IPsec VPN, next-gen firewall, segmentation, and full SD-WAN capability deliver secure, scalable, and centralized branch network management.

PoE/PoE+ for Edge Devices

Powers up to 4 PoE or 2 PoE+ devices—such as APs, cameras, or IP phones—directly from the router for efficient, clean deployments.

8GB Memory & Fanless, Silent Design

Enhanced memory for advanced services and route tables, plus silent operation for any office, retail, or remote environment.

Applications Scenarios

Mobile Branch & Vehicle Deployments

LTE uplink with dual SIM provides reliable connectivity for mobile sites, vehicles, or remote offices.

Retail, Banking & Healthcare

Secure, always-on WAN with LTE backup for POS, surveillance, and critical business applications.

Enterprise Branch & IoT Edge

Silent, high-performance router with PoE simplifies network rollouts for offices, kiosks, and smart environments.

Product Comparison

Parameter

C1121X-8PLTEP

C1121X-8P

C1111-8PLTEP

WAN Ports

2 (1 SFP combo)

2 (1 SFP combo)

2 (1 SFP combo)

LTE Support

Pluggable CAT4/CAT6

No

Pluggable CAT4/CAT6

Dual SIM

Yes

No

Yes

LAN Ports

8 × GE

8 × GE

8 × GE

PoE Support

4 PoE / 2 PoE+ opt.

4 PoE / 2 PoE+ opt.

4 PoE / 2 PoE+ opt.

Memory (DRAM/Flash)

8GB / 8GB

8GB / 8GB

4GB / 4GB

Max IPv4 Throughput

1673 Mbps

1673 Mbps

1673 Mbps

SD-WAN IMIX Throughput

465 Mbps

465 Mbps

465 Mbps

Encrypted Throughput (IMIX)

468 Mbps

468 Mbps

468 Mbps

Console Ports

RJ-45, Micro-USB

RJ-45, Micro-USB

RJ-45, Micro-USB

Dimensions (HxWxD)

1.65×10.8×7.85 in

1.65×10.8×7.85 in

1.75×12.7×9.015 in

Weight

1.58 kg

1.58 kg

1.98 kg

Fanless

Yes

Yes

Yes

Specifications

Parameter Detail Parameter Detail
Product Model C1121X-8PLTEP Product Series Cisco ISR 1000 Series
WAN Ports 2 (1 × RJ-45, 1 × Combo SFP/RJ-45) LAN Ports 8 × 10/100/1000 Mbps Gigabit Ethernet
LTE Support Pluggable CAT4/CAT6 LTE, dual SIM PoE Support Up to 4 PoE / 2 PoE+ (with 150W PSU)
Console Ports RJ-45, Micro-USB USB Ports 1 × USB 3.0 Type-A
Memory (DRAM/Flash) 8 GB / 8 GB Max Platform Throughput (IPv4 IMIX) 1673 Mbps
SD-WAN IPsec Throughput (IMIX) 465 Mbps Encrypted Throughput (IMIX, non-SD-WAN) 468 Mbps
Max NAT Sessions 100,000 Max VRFs 1,000
Number of IPsec Tunnels 100 Number of ACLs 4,000
Number of IPv4 ACEs 10,000 Number of IPv4 Routes 800,000
Number of IPv6 Routes 700,000 SD-WAN Overlay Tunnels 200
Fanless Yes Software Cisco IOS XE (16.9.1 or later)
Routing Protocols OSPF, BGP, EIGRP, RIP, Static, VRF-Lite Advanced Features SD-WAN, VPN, Firewall, DMVPN, MPLS, AVC
Management WebUI, CLI, SNMP, vManage, DNA Center Smart Licensing Supported
LED Indicators Status, VPN, PoE, LAN/WAN, LTE, SIM, Console Power Supply External AC Adapter: 66W/150W (PoE)
Max Power Consumption 19.2W (without PoE) PoE Output Voltage -53.5 VDC (with PoE PSU)
Dimensions (HxWxD) 1.65 × 10.8 × 7.85 in (41.9 × 274.3 × 199.4 mm) Weight 3.48 lb (1.58 kg)
Operating Temperature 0°C to 40°C (32°F to 104°F) Non-Operating Temperature -40°C to +70°C (-40°F to 158°F)
Operating Humidity 10% to 85% RH (non-condensing) Altitude 0 to 10,000 ft (operating)
Mounting Options Desktop, rack-mount, wall-mount Compliance & Safety UL 60950-1, EN 60950-1, FCC, CE, RoHS
EMC Certifications EN55022/CISPR22, CFR 47 Part 15, ICES003, VCCI, EN300-386 Rack Mount Kit Optional (ACS-1100-RM-19=)
USB Console Driver OS Support Windows, Mac OS X, Linux Compatible SFP Modules GLC-LH-SM, GLC-SX-MM, GLC-ZX-SM, GLC-TE, etc.
Redundancy No PSU redundancy Wi-Fi No

Get More Information

Discover unbeatable prices and fast shipping for the C1121X-8PLTEP Access the detailed C1121X-8PLTEP datasheet and ensure you’re getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via Live chat or email us at [email protected]

Quality Certifications

Customer Reviews

Write A Review
5.0
(4 reviews)
5 Stars
4
4 Stars
0
3 Stars
0
2 Stars
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1 Stars
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    Jun-A266
    Posted on 05/08/2024
    Verified Buyer
    5.0

    Clean shot… I mean clean transaction. Product is good.

    Emile-A239
    Posted on 18/05/2024
    Verified Buyer
    5.0

    Ready for action. Router is tough. Good shipping.

    Regional IT
    Posted on 10/03/2024
    Verified Buyer
    5.0

    Performance plus LTE. Perfect for our critical substations. Good service.

    Procurement
    Posted on 12/11/2023
    Verified Buyer
    5.0

    We value the quick turnaround on quotes. Equipment arrived new.

Questions & Answers

  • What is Cisco C1121X-8PLTEP designed for?

    A compact branch router with 8 Gigabit ports, PoE/PoE+, and embedded LTE for primary or backup WAN. It suits retail, pop-up sites, and remote offices needing always-on connectivity and simple power to phones/APs.

  • How does C1121X-8PLTEP differ from C1121X-8P?

    Both provide 8x GE and PoE/PoE+. The LTEP model integrates cellular WAN (with SIM slots and external antennas) for wireless failover or primary access, reducing reliance on wired circuits at the branch.

  • Does the LTE work as automatic failover?

    Yes. You can set policy so LTE takes over when wired WAN fails, then gracefully returns when primary service is restored. This maintains session continuity for POS, voice, or VPN traffic.

  • Is SD-WAN supported on C1121X-8PLTEP?

    It runs Cisco IOS XE and can be deployed as a traditional router or in Cisco SD-WAN designs. You’ll need the appropriate software licenses/subscriptions for SD-WAN features and centralized orchestration.

  • What PoE use cases are common?

    Power VoIP phones, compact access points, or small cameras directly from the router’s LAN ports. This removes injectors, simplifies cabling, and keeps branch deployments tidy and reliable.

  • What about antenna placement for LTE?

    Place antennas away from metal obstructions and near windows for stronger signal. Use carrier-approved bands and quality RF cables; short runs reduce loss and improve throughput and stability.

  • How do I secure traffic on this router?

    Enable IPsec VPN for site-to-site, apply zone-based firewall policies, and use 802.1X on LAN ports. Role-based CLI accounts and logging help meet branch compliance requirements.

  • C1121X-8PLTEP vs C1121-4PLTEP—when to choose which?

    Pick the 8-port X model for higher port density and power; choose the 4-port LTEP when space/power budgets are tighter or only a few endpoints are needed.

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Resources Downloads

  • C1121X-8PLTEP Datasheet

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