The iS5 Communications iES8G-LV-D is a high-performance, Layer 2 managed Ethernet switch specifically engineered for the harsh environments of power substations and industrial facilities. This ruggedized switch provides a flexible mix of copper and fiber-optic ports, ensuring seamless connectivity for IEDs (Intelligent Electronic Devices), PLCs, and SCADA systems. Designed to meet the stringent requirements of IEC 61850-3 and IEEE 1613, it offers superior electromagnetic interference (EMI) immunity and a fanless design for maximum reliability in critical infrastructure.

Product Datasheet & Technical Specifications

The iES8G series is built for high-speed data throughput and industrial resilience:

• Model Number: iES8G-LV-D-4GRJ45-1GSFP-1GSFP-1GSFP-1GSFP
• Port Configuration: 8 Ports total
  • 4 x 10/100/1000Base-T(X) RJ45 Copper Ports
  • 4 x 1000Base-X SFP Fiber Slots (for versatile long-distance connectivity)
• Power Supply (LV): Low Voltage (LV) input, typically 12–36V DC or 24V DC nominal.
• Redundancy: Dual DC power inputs for failover protection.
• Switching Capacity: Full wire-speed Layer 2 switching with support for VLANs (802.1Q).
• Redundancy Protocols: Supports iRing (recovery time <20ms), STP, RSTP, and MSTP.
• Operating Temperature: -40°C to +85°C (no fans required).
• Enclosure: IP40 rated rugged aluminum housing for DIN-rail or wall mounting.

 

Country of Origin

This industrial networking equipment is designed and manufactured in Canada by iS5 Communications Inc., specializing in secure and reliable communication solutions for critical infrastructure.

 

Application Fields

The iES8G-LV-D is a staple in modern “Smart Grid” and industrial architectures:

• Electrical Substations: Providing the communication backbone for IEC 61850 GOOSE and MMS messaging.
• Renewable Energy: Connecting wind turbine controllers and solar inverters to central monitoring stations.
• Traffic Control Systems: Managing high-definition video feeds and sensor data in outdoor cabinets.
• Oil & Gas Pipelines: Facilitating remote telemetry (RTU) communication across vast distances via fiber.
• Heavy Manufacturing: Ensuring low-latency data exchange between robotic assembly cells.

 

Product Instructions & Technical Notes

When deploying the iS5 Communications iES8G-LV-D, ensure the SFP modules used match the fiber type (Single-mode vs. Multi-mode) and the distance requirements of your network. The “LV-D” designation indicates a dual low-voltage DC input; always connect both power sources to independent breakers to maximize system uptime. For substation applications, use shielded twisted pair (STP) cables for the copper ports to minimize the impact of high-frequency transients. Configuration is typically managed via a user-friendly Web UI, CLI, or SNMP; ensure the latest firmware is installed to utilize the most robust cyber-security features, including RADIUS/TACACS+ authentication.

 

Q&A – Frequently Asked Questions

Q1: What are the benefits of having 4 SFP slots on such a compact switch? A: This allows for highly flexible network topologies, such as “daisy-chaining” or forming multiple fiber rings, which is essential for connecting remote equipment over long distances while maintaining redundancy.

Q2: Is this switch compliant with substation standards? A: Yes, it is fully compliant with IEC 61850-3 and IEEE 1613, meaning it is tested to withstand extreme temperatures, vibrations, and electrical surges common in power utility environments.

Q3: Does the “LV” power supply handle AC voltage? A: No, the “LV” (Low Voltage) model is specifically for DC inputs. For high-voltage AC/DC substation power (e.g., 110V/220V), a different power module variant (HV) would be required.

Q4: How does “iRing” compare to standard RSTP? A: While RSTP is standard, iRing is a proprietary protocol that provides much faster recovery times (under 20ms), ensuring that critical protection signals are not lost during a network fault.

 

Similar Model Recommendations

1. iS5 Communications iES10G (10-port variant)
2. iS5 Communications iES8G-HV (High Voltage power supply version)
3. RuggedCom RS900 (Legacy equivalent for substation switching)
4. Hirschmann RS20/RS30 series (Industrial DIN-rail switch alternative)
5. Cisco Industrial Ethernet 3000 Series (Enterprise-grade industrial equivalent)