C1121-4PLTEP – 4×LAN PoE+ Ports – LTE
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C1121-4PLTEP Description
The Cisco C1121-4PLTEP Integrated Services Router extends the capabilities of the ISR 1000 Series by adding pluggable LTE connectivity, making it ideal for branches that require flexible WAN options. Equipped with 4 Gigabit LAN ports, dual Gigabit WAN uplinks, and LTE support for primary or backup WAN connectivity, this router delivers secure, high-performance networking. With SD-WAN support, advanced VPN, and optional PoE, the C1121-4PLTEP is designed to provide enterprise-grade connectivity for remote offices, retail stores, and distributed enterprises.
Product Highlights
C1121-4PLTEP Rear Panel
|
1 |
Reset button |
2 |
Power switch |
|
3 |
4-pin power connector |
4 |
Ethernet switch |
|
5 |
GE 0/0/1 |
6 |
GE WAN 0/0/0 -RJ45 |
|
7 |
GE WAN 0/0/0 -SFP |
8 |
Micro-USB console |
|
9 |
USB 3.0 |
10 |
Pluggable |
|
11 |
Kensington lock slot |
12 |
Grounding |
Quick Specs
|
Parameter |
Details |
|---|---|
|
Product Model |
Cisco C1121-4PLTEP |
|
Series |
Cisco ISR 1000 Series |
|
LAN Ports |
4 × Gigabit Ethernet |
|
WAN Ports |
2 × Gigabit Ethernet (1 RJ-45 + 1 combo RJ-45/SFP) |
|
LTE Support |
Integrated pluggable LTE (CAT4 / CAT6 support) |
|
Performance |
Up to 370 Mbps IPsec throughput |
|
DRAM / Flash |
4 GB / 4 GB |
|
Console Ports |
Micro-USB |
|
Power Supply |
115W AC adapter for PoE (standard 66W optional) |
|
PoE Support |
Optional (2 PoE / 1 PoE+) |
|
Dimensions (H×W×D) |
1.65 × 10.80 × 7.85 in |
|
Weight |
3.70 lb (1.68 kg) |
|
Minimum IOS XE Version |
17.2.1 |
Key Features
Built-in support for pluggable LTE modules (CAT4, CAT6, and CAT18) ensures reliable WAN access, making it ideal for primary or backup Internet connections in branch deployments.
Delivers up to 370 Mbps IPsec VPN throughput, supporting secure branch networking with advanced firewall, QoS, and segmentation features on Cisco IOS XE.
Equipped with 2 Gigabit WAN ports (RJ-45 + combo SFP) for wired and fiber connectivity, ensuring WAN redundancy and flexibility in hybrid network environments.
Optional 115W AC power supply supports 2 PoE or 1 PoE+ ports, allowing direct powering of IP phones, cameras, and wireless access points without additional equipment.
Native Cisco SD-WAN support enables centralized orchestration, dynamic path selection, and cloud optimization, reducing operational complexity for distributed enterprises.
A space-saving chassis (1.65 × 10.80 × 7.85 in) designed for SMBs and branch offices, with modular LTE support ensuring long-term adaptability and investment protection.
Application Scenarios
Reliable LTE failover for continuous point-of-sale and application uptime.
Secure VPN and redundant WAN for compliance and mission-critical services.
Ensures high availability with dual WAN + LTE for hybrid WAN deployments.
Product Comparison
|
Parameter |
C1121-4PLTEP |
C1121X-8PLTEPW | |
|---|---|---|---|
|
Series |
ISR 1000 |
ISR 1000 |
ISR 1000 |
|
LAN Ports |
4 × GE |
4 × GE |
8 × GE |
|
WAN Ports |
2 × GE (1 RJ-45 + 1 combo SFP) |
2 × GE (1 RJ-45 + 1 combo SFP) |
2 × GE (RJ-45 + SFP) |
|
LTE Support |
Yes (Pluggable CAT4/CAT6) |
No |
Yes (LTE + Wi-Fi) |
|
Wi-Fi Support |
No |
No |
Yes (802.11ac Wave 2) |
|
PoE Options |
Optional (2 PoE/1 PoE+) |
Optional (2 PoE/1 PoE+) |
Optional (4 PoE/2 PoE+) |
|
DRAM / Flash |
4 GB / 4 GB |
4 GB / 4 GB |
8 GB / 8 GB |
|
Max Encrypted Throughput |
370 Mbps |
370 Mbps |
465 Mbps |
|
Console Ports |
Micro-USB |
Micro-USB |
Micro-USB |
|
Weight |
1.68 kg |
1.55 kg |
2.10 kg |
|
Dimensions (H×W×D) |
1.65 × 10.80 × 7.85 in |
1.65 × 10.80 × 7.85 in |
1.65 × 12.70 × 8.90 in |
|
Min. IOS XE Version |
17.2.1 |
17.2.1 |
17.2.1 |
Specifications
Packaging weight and dimensions included:| Weight | 6.86 kg |
|---|---|
| Dimensions | 51 × 34 × 15.5 cm |
| Parameter | Details |
|---|---|
| Product Model | C1121-4PLTEP |
| Series | Cisco ISR 1000 Series |
| LAN Ports | 4 × Gigabit Ethernet (RJ-45) |
| WAN Ports | 2 × Gigabit Ethernet (1 RJ-45 + 1 combo SFP) |
| LTE Support | Pluggable LTE module (CAT4, CAT6, CAT7, CAT18 options) |
| Performance | 370 Mbps IPsec throughput (IMIX) |
| SD-WAN IPsec Throughput | 338 Mbps (IMIX) |
| Console Ports | Micro-USB |
| DRAM / Flash | 4 GB / 4 GB |
| Dimensions (H × W × D) | 1.65 × 10.80 × 7.85 in |
| Weight | 3.70 lb (1.68 kg) |
| Operating Temperature | 0° to 40°C |
| Power Supply | 115W AC (required for PoE); 66W standard option |
| PoE Support | Optional 2 × PoE or 1 × PoE+ |
| Minimum IOS XE Version | 17.2.1 |
| Compliance | UL, EN, IEC, FCC Class B |
Get More Information
Need pricing, stock, or shipping details for the C1121-4PLTEP ? Layer23-Switch can help you check current availability, lead time, and delivery options for this. Send us the part number, quantity, and destination country via live chat or email sales@layer23-switch.com for a fast quotation.
Quality Certifications
Customer Reviews
Questions & Answers
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What is C1121-4PLTEP used for?
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Does C1121-4PLTEP have LTE?
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How is C1121-4PLTEP different from C1121-4P?
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What WAN design fits C1121-4PLTEP?
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Does C1121-4PLTEP support Wi-Fi?
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What power figure matters for C1121-4PLTEP?
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Can C1121-4PLTEP use PoE?
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What compatibility check matters for C1121-4PLTEP?
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