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IE-3105-18T2C-E – 18 Ports – 2 × 1G combo uplinks – industrial switch
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IE-3105-18T2C-E Description
Cisco Catalyst IE-3105-18T2C-E is a high-density, rugged industrial Ethernet switch with 18 Gigabit copper downlink ports and 2 combo uplinks (SFP or RJ45). Supporting Layer 2 Network Address Translation (L2NAT), advanced automation protocols, and robust Layer 2 switching, this model is engineered for machine networks, smart manufacturing, utilities, and critical OT infrastructure. Fanless, DIN rail mount, wide voltage, and –40°C to +75°C operation make it ideal for challenging industrial environments.
Product Highlights
Ethernet Ports
Combo Ports
Forwarding Rate
Quick Specs
|
Key Parameter |
Value |
|---|---|
|
Total Ports |
20 |
|
Downlink Ports |
18 × 1G RJ45 |
|
Uplink Ports |
2 × Combo (1G SFP or 1G RJ45) |
|
PoE Supported |
No |
|
Power Input |
Dual DC (12–48V nominal, 9.6–60V abs) |
|
Forwarding Rate |
Line rate for all ports |
|
MAC Address Table |
8,000 entries |
|
VLANs Supported |
256 |
|
Mounting |
DIN rail |
|
Software License |
Network Essentials |
Key Features
18× High-Speed Industrial RJ45 Ports
Provides extensive Gigabit connectivity for PLCs, sensors, and industrial devices in large deployments.
2× Flexible Combo Uplink Ports (SFP or RJ45)
Supports fiber or copper uplinks for versatile, long-distance network connections.
Enhanced L2NAT and Industrial Protocols
Layer 2 Network Address Translation supports duplicate IP integration; native support for EtherNet/IP, PROFINET, Modbus.
Rugged and Reliable Design
Fanless, compact, robust housing; operates from –40°C to +75°C; DIN rail mount; built for vibration and electrical noise immunity.
Advanced Security and Centralized Management
Cisco IOS XE with secure remote access, ACLs, advanced port security, and centralized WebUI/CLI/SNMP/Catalyst Center management.
Scalable Networking and Segmentation
Supports 256 VLANs and 8,000 MAC addresses, enabling large-scale, segmented industrial networks.
Applications Scenarios
Large-Scale Industrial Automation Networks
Ideal for smart factories, process control, and modular production with high port density and L2NAT for OEM/machine integration.
Utility, Energy, and Critical Infrastructure
Suited for substations, power plants, and utility sites needing secure, resilient, and high-density switching.
Transportation, Smart City & Surveillance
Connects large numbers of edge devices in traffic systems, rail, and urban infrastructure, with robust performance in harsh environments.
Rugged Industrial Ethernet Switch Product Comparison
|
Model |
IE-3105-18T2C-E | ||
|---|---|---|---|
|
Downlink Ports |
18×1G RJ45 |
18×1G RJ45 |
8×1G RJ45 |
|
Uplink Ports |
2×Combo (SFP/RJ45) |
2×Combo (SFP/RJ45) |
2×1G SFP |
|
L2NAT Support |
Yes |
No |
No |
|
PoE Supported |
No |
No |
No |
|
Max. Total Ports |
20 |
20 |
10 |
|
MAC Address Table |
8,000 |
8,000 |
8,000 |
|
VLANs Supported |
256 |
256 |
256 |
|
Forwarding Rate |
Line rate |
Line rate |
Line rate |
|
Power Input |
Dual DC (12–48V) |
Dual DC (12–48V) |
Dual DC (9.6–60V) |
|
Mounting |
DIN rail |
DIN rail |
DIN rail |
|
Operating Temp. |
–40°C to +75°C |
–40°C to +75°C |
–40°C to +75°C |
|
Software License |
Network Essentials |
Network Essentials |
Network Essentials |
IE-3105-18T2C-E Front Panel Overview
The illustrations in this section provide an overview of the variety of components available on the various switch models in this product family. Not all models are illustrated.|
Number |
Feature |
Number |
Feature |
|---|---|---|---|
|
1 |
Dual-media SFP ports (uplinks) |
6 |
Power connectors A and B |
|
2 |
Dual-media copper ports (uplinks) |
7 |
RJ-45 console connector |
|
3 |
1000BASE-T ports (downlinks) |
8 |
Express Setup button |
|
4 |
SD card slot and USB micro port cover |
9 |
Alarm connector |
|
5 |
Protective ground connection |
|
|
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Model | IE-3105-18T2C-E | Ports | 18×1G RJ45, 2×Combo uplink |
| PoE Supported | No | Mounting | DIN rail |
| Dimensions | 5.00×4.30×5.08 in (12.70×10.92×12.90 cm) | Weight | 2.8 lb (1.27 kg) |
| Power Input | Dual DC 12–48V nominal (9.6–60V abs) | Power Consumption | 36.7W |
| MAC Address Table | 8,000 | VLANs | 256 |
| Forwarding Rate | Line rate, all packet sizes | Queues | 8 egress |
| Alarm I/O | 2 dry-contact alarm inputs | Console Ports | 1×RS-232 (RJ-45), 1×Micro USB |
| Operating Temp. | –40°C to +75°C | Storage Temp. | –40°C to +85°C |
| Software License | Network Essentials | DRAM | 4 GB |
| SD Card | 1/4/16 GB (optional) | Management | WebUI, CLI, SNMP, Cisco Catalyst Center |
| Protocols | EtherNet/IP, PROFINET, Modbus, L2NAT | Certifications | IEC 62443-4-1/4-2, EN 55032A, EN 61000-6-2 |
Get More Information
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Quality Certifications
Customer Reviews
Questions & Answers
-
How does IE-3105-18T2C-E compare to IE-3100-18T2C-E for port count and features?
-
Is this switch recommended for factory automation or utilities?
-
What temperature and humidity range is supported?
-
Are PoE options available for field devices?
-
Does the model offer redundant power input?
-
Can the switch be managed remotely?
-
Are any Layer 2/3 protocols supported on IE-3105-18T2C-E?
-
What is the warranty and support for this model?
-
How is device monitoring handled in real-time?
-
Is VLAN segmentation available?
Warranty
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Perfect for field deployment, support answered questions.
Perfect for field deployment, support answered questions.