GE IS230TNRLH2E

Product Type: Dual-Port Redundant Ethernet Communication Module (Legacy Revision)

Product Introduction:
The IS230TNRLH2E is a dual-port redundant 10/100 Mbps Ethernet communication module for GE Mark VIe systems. It is an earlier revision of the IS230TNRLH3E, providing two Ethernet ports with automatic failover under 50 ms in Active/Standby or Load-Sharing mode. It connects the Mark VIe control system to plant-level Ethernet networks with built-in redundancy.

Category:
Description

Technical Specifications:

Parameter Value
Number of Ports 2 Ports (RJ-45)
Port Speed 10/100 Mbps (Auto-negotiation)
Redundancy Mode Active/Standby, Load-Sharing
Protocol Support TCP/IP, UDP/IP, Modbus TCP, SNMP v1/v2c, HTTP
Failover Time < 50 milliseconds
Maximum Cable Length 100 meters (328 feet) per port
LED Indicators Power, Link (x2), Activity (x2), Redundancy Status
Operating Temperature 0°C to 55°C (32°F to 131°F)
Power Supply +5V DC from Mark VIe Backplane (Redundant)
Dimensions Approximately 155 mm × 25 mm × 120 mm
Weight Approximately 0.28 kg
Certifications UL 61010-1, CE, FCC Part 15, IEC 61000-6-2, IEC 61000-6-4

Functional Features:

  • Two independent 10/100 Mbps Ethernet ports with auto-negotiation
  • Hardware-level redundancy with automatic failover under 50 ms
  • Active/Standby mode: Port 1 active, Port 2 on standby
  • Load-Sharing mode: Both ports active, traffic load-balanced
  • Modbus TCP Master/Slave on both ports
  • SNMP v1/v2c agent with trap support (no SNMPv3 — legacy limitation)
  • Embedded web server for local configuration
  • Redundant power input from Mark VIe backplane

Key Differences from IS230TNRLH3E:

Feature IS230TNRLH2E IS230TNRLH3E
SNMP Version v1/v2c only v1/v2c/v3
Firmware Architecture Legacy Updated
Security Features Limited Enhanced
All other specs Identical Identical

Structural Features:

  • Dual RJ-45 connectors on front panel
  • 6 LED indicators including dedicated redundancy status LED
  • Hot-swappable module
  • Conformal-coated PCB

Applicable Industries:

  • Legacy Power Plant Control Systems
  • Gas/Steam Turbine Networks (Existing Installations)
  • Oil & Gas SCADA (Redundant Networks)
  • Retrofit Projects

Installation Requirements:

  • Install in Mark VIe chassis with redundant power configuration
  • Connect two separate Ethernet cables to two independent network switches
  • Configure redundancy mode (Active/Standby or Load-Sharing) via ToolboxST
  • Assign two IP addresses (one per port) or shared IP with failover

Usage Precautions:

  • Both ports must connect to separate switches for true redundancy
  • Verify failover operation using module diagnostics after installation
  • Maximum cable length: 100 meters per port
  • Ambient temperature: below 55°C
  • SNMPv3 not available — use SNMPv2c with community string for security
  • Do not mix with IS230TNRLH3E in same network without VLAN isolation

MASTER REFERENCE SUMMARY TABLE

Model Type Ports Speed Key Feature
IS420ESWDH5A 48-Port Switch 48 1 Gbps SNMPv3, 256 VLANs, RSTP
IS420ESWCH5A 24-Port Switch 24 1 Gbps Compact, SNMPv3, 256 VLANs
IS230TNEAH5A Ethernet Comm 1 100 Mbps Modbus TCP, simple integration
IS230TNRLH3E Redundant Ethernet 2 100 Mbps <50ms failover, SNMPv3
IS230SNCIH2A Serial Comm 2 115.2 Kbps RS-232/RS-485, Modbus RTU
IS410JPDHG1A JPEG Display 1 VGA 1920×1200 32MB cache, 60Hz
IS420ESWDH1A 48-Port Switch 48 1 Gbps Legacy, SNMPv2c only, 128 VLANs
IS420ESWBH4A 24-Port Switch 24 1 Gbps Compact legacy, SNMPv2c
IS230JPDMG1B JPEG Display 1 VGA 1600×1200 16MB cache, 60Hz
IS230SNRTH2A Serial Comm 2 115.2 Kbps Dual port, Modbus RTU/DF1
IS230SNTCH4A Serial Comm 4 115.2 Kbps Quad port, independent config
IS230TNRLH2E Redundant Ethernet 2 100 Mbps Legacy redundant, SNMPv2c
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