C1121X-8PLTEP – 8×LAN PoE+ Ports – LTE
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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
C1121X-8PLTEP Rear Panel
|
1 |
Reset button |
2 |
Power switch |
|
3 |
4-pin power connector |
4 |
Ethernet switch |
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5 |
Wi-Fi status |
6 |
GE 0/0/1 |
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7 |
GE WAN 0/0/0 -RJ45 |
8 |
GE WAN 0/0/0 -SFP |
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9 |
Micro-USB console |
10 |
USB 3.0 |
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11 |
Pluggable |
12 |
Kensington lock slot |
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13 |
Grounding |
Quick Specs
|
Parameter |
C1121X-8PLTEP |
|---|---|
|
WAN Ports |
2 (1 × RJ-45, 1 × Combo SFP/RJ-45) |
|
LAN Ports |
8 × Gigabit Ethernet |
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PoE Support |
4 PoE / 2 PoE+ (option) |
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LTE Support |
Pluggable CAT4/CAT6 LTE modem |
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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
Built-in 8-port managed GE switch supports seamless connectivity for office PCs, IP phones, and wireless devices on a single, compact platform.
Supports carrier aggregation (CAT4/CAT6) for 4G LTE WAN uplink, delivering wireless failover and mobile branch connectivity with dual SIM support.
1 RJ-45 and 1 Combo SFP/RJ-45 WAN enable copper/fiber ISP redundancy, hybrid deployments, and reliable high-availability connections.
Built-in IPsec VPN, next-gen firewall, segmentation, and full SD-WAN capability deliver secure, scalable, and centralized branch network management.
Powers up to 4 PoE or 2 PoE+ devices—such as APs, cameras, or IP phones—directly from the router for efficient, clean deployments.
Enhanced memory for advanced services and route tables, plus silent operation for any office, retail, or remote environment.
Application Scenarios
LTE uplink with dual SIM provides reliable connectivity for mobile sites, vehicles, or remote offices.
Secure, always-on WAN with LTE backup for POS, surveillance, and critical business applications.
Silent, high-performance router with PoE simplifies network rollouts for offices, kiosks, and smart environments.
Product Comparison
|
Parameter |
C1121X-8PLTEP |
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
Packaging weight and dimensions included:| Weight | 6.86 kg |
|---|---|
| Dimensions | 51 × 34 × 15.5 cm |
| 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 |
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Quality Certifications
Customer Reviews
Questions & Answers
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What is C1121X-8PLTEP used for?
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Does C1121X-8PLTEP have Wi-Fi?
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What does X mean on C1121X-8PLTEP?
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How is C1121X-8PLTEP different from C1121X-8P?
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What SD-WAN throughput is listed for C1121X-8PLTEP?
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What power supply matters for C1121X-8PLTEP?
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What deployment checks are specific to C1121X-8PLTEP?
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Can C1121X-8PLTEP replace a dedicated LTE router?
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