IE-3100-4T2S-E - Cisco IE 3100 Series 4 Port Copper Switch

Cisco IE-3100-4T2S-E — Industrial Ethernet 3100 Series 4× Copper + 2× SFP Switch

What it is

IE-3100-4T2S-E is a Cisco Industrial Ethernet 3100 Series ruggedized managed switch designed for industrial and harsh edge environments.
It provides 4 × Gigabit Ethernet copper ports for wired devices and 2 × SFP uplinks for fiber connectivity, all in a hardened chassis suitable for factories, utilities, transportation, and outdoor cabinets.

Why buyers pick IE-3100-4T2S-E (plain English)

Simple copper access: Four 1G RJ-45 ports for PLCs, HMIs, industrial PCs, and controllers.

Fiber uplinks built in: Dual SFP ports allow long-distance runs and noise-immune backhaul to aggregation or core switches.

Industrial-grade reliability: Built to withstand temperature extremes, vibration, dust, and electrical interference.

Cisco managed switching: Familiar Cisco CLI and enterprise L2 features for OT/IT convergence.

60-second spec box (IE-3100-4T2S-E)

Access / downlink ports

• 4 × 10/100/1000Base-T RJ-45 (non-PoE)

Uplinks

• 2 × 1G SFP fiber uplink slots

Switching / features

• Managed Layer 2 switching

• VLANs, QoS, STP/RSTP/MST

• Security ACLs

Management

• Cisco CLI

• SNMP / Web management (platform dependent)

Ruggedization

• Industrial temperature rating

• Enhanced surge and ESD protection

• DIN-rail or wall-mount capable

Where it fits (and when to choose something else)

Perfect for:

• Industrial networks needing copper access + fiber uplinks

• Factory floors, utilities, transportation systems

• Environments with EMI or long cable runs

Choose something else if:

• You need PoE → IE-3100-4P2S-E

• You need more access ports → higher-density IE models

• You need 10G uplinks → industrial switches with SFP+

TL;DR

IE-3100-4T2S-E is a rugged Cisco industrial switch with 4× 1G copper ports and 2× SFP fiber uplinks — built for reliable, managed networking in harsh edge environments.