Manual for Reason H49

Manual for Reason H49

Brand: GE

Category: Other

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 7:17 p.m.

The Reason H49 is a range of Ethernet switches designed for electrical substations. Key features include:
  • Up to 6 1Gbps ports (copper or fiber).
  • Support for Parallel Redundancy Protocol (PRP) and High-availability Seamless Redundancy (HSR) protocols.
  • PRP and HSR RedBox, HSR QuadBox, and PRP-HSR coupling capabilities.
  • Network protocols like SNMP, NTP, and PTP for time synchronization.
  • Secure network protocols such as SSH, SFTP, and HTTPS.
  • Compliance with various network standards (IEEE 802.1Q, IEEE 802.1p, C37.238) and cyber security standards (NERC CIP, IEEE 1686, IEC 62443).
  • Environmental compliance with IEC 61850-3 and IEEE 1613.
Configuration can be done via a web user interface or a command line interface (CLI) using SSH. The device supports various modes including standard switch, PRP RedBox, HSR RedBox, and HSR QuadBox. It also offers features like VLAN management, multicast filtering, priority queuing, and robust security settings including user accounts and authentication. Maintenance involves visual and functional checks, with potential firmware upgrades. The device is designed for vertical mounting on a DIN rail.

Troubleshooting and error codes

Error Type Possible Cause Solution
Communication failure Improper VLAN configuration on Access port Reset the switch to factory-default configuration.
Device not powering on Power supply issues Check power supply connections and voltage.
Slow network performance Incorrect cabling or configuration Verify cable integrity, use shielded twisted pair cables, and check network settings.
For detailed troubleshooting, refer to Chapter 9: Maintenance and Chapter 12: Appendices.
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