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Overview of the IE-3400H-8T-E
The Cisco IE-3400H-8T-E is a compact, ruggedized Layer 3 managed switch designed for industrial automation and harsh environments. Part of Cisco’s IE 3400 Heavy Duty series, it targets applications requiring high reliability in sectors like manufacturing, oil and gas, and transportation.
Core Technical Specifications
- Port Configuration: 8x 10/100/1000BASE-T RJ45 ports + 2x 1G SFP uplinks.
- Operating Temperature: -40°C to 75°C (-40°F to 167°F) with 95% non-condensing humidity tolerance.
- Power Redundancy: Dual 24-48V DC inputs with <10ms failover; supports Cisco RPS 2300 for N+1 redundancy.
- Layer 3 Features: Static routing, OSPF, EIGRP, and IPv6 support.
- Certifications: IP67-rated enclosure, IEC 61850-3 (electrical substations), IEEE 1613 (EMC resilience).
Key Features and Industrial Use Cases
1. Space-Constrained Deployments
With its 8x Gigabit Ethernet ports, the switch is ideal for control cabinets or mobile installations (e.g., railway cars) where physical space is limited but high-speed connectivity is critical.
2. Substation and Grid Communication
Compliant with IEC 61850-3, it ensures deterministic data transmission for protective relays, phasor measurement units (PMUs), and SCADA systems in electrical grids.
3. Ruggedized Manufacturing Floors
The IP67 rating protects against dust, oil, and water ingress, making it suitable for automotive assembly lines or food processing plants with frequent washdowns.
Comparison with the IE-3400H-16T-E
| Feature | IE-3400H-8T-E | IE-3400H-16T-E |
|---|---|---|
| Port Density | 8x RJ45 + 2x SFP | 16x RJ45 + 4x SFP |
| Power Budget | 60W | 110W |
| Deployment Flexibility | Compact size for tight spaces | Higher port count for large-scale setups |
| Certifications | Identical (IP67, IEC 61850-3) | Identical |
Frequently Asked Questions
Q: Can the IE-3400H-8T-E support PoE+ devices?
A: No. Unlike the IE-3400-8P2S-A, this model lacks Power over Ethernet (PoE) capabilities.
Q: Is it compatible with Cisco DNA Center for SD-Access?
A: No. Management is via Cisco IOS-XE CLI, Prime Infrastructure, or SNMPv3.
Q: How to ensure uptime during power outages?
A: Use dual DC inputs paired with the Cisco RPS 2300 for seamless failover during grid fluctuations.
Deployment Best Practices
- Environmental Hardening: Seal cable entries with IP67-rated glands and use M12 connectors for SFP ports in high-vibration areas.
- Traffic Prioritization: Assign DSCP tags to time-sensitive protocols like IEC 62439 (PRP/HSR) for substation redundancy.
- Security Measures: Enable port security, disable unused services (e.g., Telnet), and implement ACLs to restrict unauthorized access.
Purchasing and Technical Support
For pricing, availability, and compatibility checks, visit the “IE-3400H-8T-E” product page at itmall.sale. Custom configurations for industrial IoT edge deployments are available.
Final Evaluation
The IE-3400H-8T-E is a niche solution for industrial networks prioritizing compactness and ruggedness over port density or PoE. While it lacks the scalability of its 16-port sibling or the PoE capabilities of the 8P2S-A model, its certifications and Layer 3 features make it indispensable for mission-critical environments like electrical grids or mobile systems. Organizations with space-constrained, harsh operational sites will find it a reliable workhorse—provided they pair it with robust physical and cybersecurity safeguards to mitigate evolving threats.