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
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

