GE IS420ESWBH4A

Product Type: Managed Ethernet Switch Module (24-Port)

Product Introduction:
The IS420ESWBH4A is a 24-port Gigabit Ethernet managed switch for GE Mark VIe control systems. It is a compact alternative to the 48-port switch, designed for smaller turbine control networks or HMI/engineering station clusters. It provides full Layer 2 switching with VLAN, QoS, and RSTP redundancy.

Category:
Description

Technical Specifications:

Parameter Value
Number of Ports 24 Ports (RJ-45)
Port Speed 10/100/1000 Mbps (Auto-negotiation)
Switching Capacity 52 Gbps
Forwarding Rate 38.7 Mpps
MAC Address Table 8,000 Entries
VLAN Support 802.1Q (Up to 128 VLANs)
Management CLI, SNMP v1/v2c, Web GUI
Redundancy RSTP (802.1w), STP (802.1D)
QoS 802.1p (4 Priority Queues)
Jumbo Frame Up to 9216 Bytes
Operating Temperature 0°C to 55°C (32°F to 131°F)
Power Supply Redundant DC from Mark VIe Backplane
Dimensions Approximately 160 mm × 155 mm × 25 mm
Weight Approximately 0.55 kg
Certifications UL 61010-1, CE, FCC Part 15, IEC 61000-6-2

Functional Features:

  • 24 Gigabit Ethernet ports with auto-negotiation
  • Layer 2 managed switching with full CLI
  • 802.1Q VLAN support (up to 128 VLANs)
  • RSTP/STP for redundant ring topology
  • 802.1p QoS with 4 priority queues for control traffic
  • IGMP snooping for multicast efficiency
  • Port mirroring (SPAN)
  • Storm control to prevent broadcast storms

Structural Features:

  • Compact 1U-equivalent form factor
  • Front-panel LED indicators (Link, Speed, Activity, Power)
  • Hot-swappable from Mark VIe backplane
  • Conformal-coated PCB

Applicable Industries:

  • Gas Turbine Control Networks (Small Configurations)
  • HMI Station Clusters
  • Engineering Workstation Networks
  • Water/Wastewater SCADA

Installation Requirements:

  • Install in Mark VIe chassis
  • Use Cat5e or Cat6 Ethernet cables
  • Configure IP address and VLANs via CLI
  • Verify redundant DC power connection

Usage Precautions:

  • Maximum 52 Gbps switching capacity — do not overload
  • Ambient temperature must remain below 55°C
  • Use shielded cables in high-EMI environments
  • SNMPv3 not supported — use SNMPv2c with community string
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