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Cisco IE-3500H-20FT4T
20 FE + 4 GE IP66/IP67 Wall Mount M12 Connectors

Cisco IE-3500H-20FT4T

IP66/IP67-rated heavy-duty industrial switch with 20 Fast Ethernet (D-code) and 4 Gigabit Ethernet (X-code) M12 ports for harsh environments.

Product Overview

TL;DR: The IE-3500H-20FT4T provides 24 total ports — 20 Fast Ethernet and 4 Gigabit Ethernet — in an IP66/IP67 heavy-duty enclosure. It connects high-density legacy Fast Ethernet industrial devices with GE uplinks for backhaul. Runs Cisco IOS XE with Cyber Vision, ThousandEyes, and SD-Access fabric support.

High-Density FE/GE

24 total ports: 20 Fast Ethernet D-code for legacy devices and 4 Gigabit Ethernet X-code for uplinks and modern equipment.

IP66/IP67 Heavy Duty

Dustproof and waterproof design rated for extreme temperatures (-40°C to +75°C), shock, vibration, and corrosive environments.

OT Security Built-In

Cisco Cyber Vision identifies assets and vulnerabilities. TrustSec microsegmentation and Secure Equipment Access provide zero-trust protection.

ThousandEyes Agent

Host ThousandEyes Enterprise Agent for device-to-cloud network assurance and faster issue resolution across IT and OT networks.

Fabric Support

Extend IT fabric into OT with SD-Access Fabric Edge and BGP-EVPN support for scalable, easy-to-manage large networks.

TSN Frame-Preemption

IEEE 802.1Qbu/802.3br frame-preemption reduces jitter and delay for time-sensitive control traffic in OT networks.

Frequently Asked Questions

How does the 20FT4T differ from the 12FT4T?
The 20FT4T has 20 Fast Ethernet ports (vs 12) with the same 4 GE uplinks, providing 24 total ports for higher-density deployments.
Does this model support PoE?
No. The IE-3500H-20FT4T is a data-only model. For PoE, consider the IE-3500H-14P2T or IE-3500H-12P2MU2X models.
What industrial protocols are supported?
CIP Ethernet/IP, PROFINET, and IEEE 1588 PTP v2 for precision time synchronization in industrial automation environments.

Ready to deploy the IE-3500H-20FT4T?

Our industrial networking specialists will build a custom quote — including volume discounts, licensing, and professional services.

  • Network Essentials and Advantage licensing
  • Cisco Cyber Vision included with Network Advantage
  • Cisco Smart Net Total Care bundling
  • Response within one business day
Cisco IE-3500H-20FT4T