IE-3100-4T2S-E – 4x1G Copper Ports – 2x1G SFP Uplinks

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IE-3100-4T2S-E Description

IE-3100-4T2S-E is a Cisco Catalyst IE3100 Rugged Series Industrial Ethernet switch for compact industrial edge deployments that need fixed Gigabit access ports in a DIN-rail form factor. This Network Essentials model provides 4 x 10/100/1000 RJ45 copper downlink ports and 2 x 1000BASE-X SFP uplink ports, uses dual DC power inputs, is identified as a non-PoE IE3100 variant, and is specified at 14 W power consumption with an 8.928 Mpps forwarding rate for industrial automation, utility, transportation, or hardened access networks where the exact port mix and power profile must match the BOM.

Quick Specs

Parameter

Specification

Product ID

IE-3100-4T2S-E

Product type

Industrial Ethernet switch

Network license

Network Essentials

Total ports

6 Gigabit Ethernet ports

Copper downlink ports

4 x 10/100/1000 RJ45 ports

SFP-only uplink ports

2 x 1000BASE-X SFP ports

PoE budget

Not applicable for this non-PoE model

Power input

Dual DC inputs

Nominal input voltage

12V to 48V

Power consumption

14 W

Forwarding rate

8.928 Mpps

MTBF

931290 hours

Product Performance

Gigabit Ethernet Port Count
Forwarding Rate
MAC Address Capacity

Key Features

Smallest SFP-uplink IE3100 data model

IE-3100-4T2S-E fits cabinets that need four Gigabit copper endpoints and two fiber uplink positions without moving to an 8-port or 18-port chassis.

SFP-only uplink planning

The two uplinks are 1000BASE-X SFP ports rather than combo ports, so the fiber handoff and SFP family should be settled before the order is released.

Non-PoE endpoint boundary

Cisco does not list a PoE budget for IE-3100-4T2S-E, which keeps this PID separate from the powered IE-3100-4P2S-E and larger PoE IE3100 variants.

Network Essentials license identity

Cisco maps this exact product ID to Network Essentials, keeping the E suffix tied to the intended IE3100 software tier during substitution review.

Low-power dual-DC switch profile

The data sheet lists 12V to 48V nominal input, 9.6V to 60V absolute input, and 14 W power consumption for this non-PoE model.

Rugged industrial cabinet context

Cisco documents DIN-rail mounting, alarm I/O, SD card support, Cisco IOS XE, WebUI, Catalyst Center management, and industrial protocol support for the IE3100 family.

Application Scenarios

Tight OT cabinets with four data endpoints

IE-3100-4T2S-E suits machine-area cabinets where PLCs, HMIs, drives, sensors, or controllers need Gigabit RJ45 access and the design does not assign switch-supplied power.

Fiber-uplink access cells

This model is appropriate when the cabinet needs two SFP-only uplinks for 100/1000 fiber handoff instead of dual-media copper/SFP combo uplinks.

Small IE3100 refresh without PoE

Keep this SKU in scope when the project is standardizing on IE3100 Network Essentials but the site needs a compact four-port access switch rather than the powered 4P2S-E or the 8-port 8T2C-E.

Product Comparison

Parameter

IE-3100-4T2S-E

IE-3100-4P2S-E

IE-3100-8T2C-E

IE-3100-8T4S-E

Product type

Industrial Ethernet switch

Industrial Ethernet switch

Industrial Ethernet switch

Industrial Ethernet switch

Network license

Network Essentials

Network Essentials

Network Essentials

Network Essentials

Total ports

6

6

10

12

10/100/1000 RJ45 copper ports

4

4 PoE/PoE+

8

8

1000BASE-X SFP-only uplinks

2

2

No SFP-only uplinks listed

4

1000BASE-T/1000BASE-X combo uplinks

No combo uplinks listed

No combo uplinks listed

2

No combo uplinks listed

PoE power budget

Not applicable

120 W

Not applicable

Not applicable

Power consumption

14 W

22.5 W excluding PoE load

17.7 W

17.8 W

MTBF

931290 hours

755460 hours

854560 hours

575966 hours

  • In an IE-3100-4T2S-E vs IE-3100-4P2S-E comparison, both models keep four copper ports and two SFP uplinks, but IE-3100-4P2S-E adds PoE/PoE+ and a 120 W PoE budget.
  • The IE-3100-4T2S-E vs IE-3100-8T2C-E decision is port density and uplink type: IE-3100-4T2S-E has four RJ45 ports with SFP-only uplinks, while IE-3100-8T2C-E has eight RJ45 ports and two combo uplinks.
  • For IE-3100-4T2S-E vs IE-3100-8T4S-E comparison work, both are non-PoE SFP-uplink IE3100 models, but IE-3100-8T4S-E doubles the copper port count and increases SFP uplinks to four.
  • Buyers deciding which model to choose should lock endpoint power, copper-port count, and SFP-only versus combo uplink requirements before treating these IE3100 Network Essentials PIDs as substitutes.

Selection Guide

1. Keep 4T2S-E for a small data-only cabinet

Choose IE-3100-4T2S-E when the BOM requires four Gigabit copper access ports, two 1GE SFP uplinks, Network Essentials, and no PoE budget.

2. Move to 4P2S-E for powered endpoints

Select IE-3100-4P2S-E when the same four copper access positions must provide PoE/PoE+ power and the order needs the Cisco-listed 120 W PoE budget.

3. Use 8T2C-E for more copper endpoints

Move to IE-3100-8T2C-E when eight data-only RJ45 ports are required and the design accepts two dual-media combo uplinks instead of two SFP-only uplinks.

4. Reserve 8T4S-E for more fiber uplinks

Select IE-3100-8T4S-E when the cabinet needs eight RJ45 ports and four 100/1000 SFP uplinks while staying in the non-PoE IE3100 Network Essentials group.

Ordering Checklist

Review area

Required confirmation

Procurement risk

Exact Cisco PID

IE-3100-4T2S-E with Network Essentials

Prevents accidental substitution with powered 4P2S-E or larger 8-port IE3100 variants

Endpoint power plan

No PoE budget is listed for this non-PoE model

Keeps cameras, phones, or access points that need PoE from being assigned to a data-only SKU

Uplink media

2 x 1000BASE-X SFP uplinks

Confirms the order needs SFP fiber ports rather than dual-media combo uplinks

Power design

Dual DC inputs with 12V to 48V nominal range and 14 W consumption

Aligns the switch with the industrial power supply and enclosure wiring plan

Mechanical fit

DIN-rail mounting with a compact 2.55 in. width in the Cisco data sheet

Reduces enclosure spacing risk in narrow control cabinets

SFP and SD-card options

SFP modules and optional SD cards are separate line items

Stops the switch PID from being treated as a complete optics or storage bundle

Optional Add-ons

Model

Description

PWR-IE50W-AC=

Cisco Industrial Ethernet 50 W AC or high-DC power supply option

PWR-IE50W-AC-L=

Cisco Industrial Ethernet 50 W AC low-profile power supply option

PWR-IE50W-AC-IEC=

Cisco Industrial Ethernet 50 W AC power supply with IEC connector

GLC-SX-MM-RGD=

Cisco rugged 1000BASE-SX SFP listed for IE3100 SFP support

GLC-LX-SM-RGD=

Cisco rugged 1000BASE-LX/LH SFP listed for IE3100 SFP support

GLC-ZX-SM-RGD=

Cisco rugged 1000BASE-ZX SFP listed for IE3100 SFP support

SD-IE-16GB=

Cisco IE 16 GB SD memory card option

STK-RACK-DINRAIL=

19 in. DIN rail mount kit listed in Cisco ordering information

IE-3100-4T2S-E Front Panel Overview

The illustrations in this section provide an overview of the variety of components available on the various switch models in this product family. Not all models are illustrated.

Number

Feature

Number

Feature

1

Dual-media SFP port LEDs

6

Express Setup LED

2

Dual-media copper port LEDs

7

System LED

3

1000BASE-T port LEDs

8

Alarm input LEDs

4

Power connector LED

9

Alarm output LED

5

Management console LED

10

PoE Status LED Note This LED is present in PoE models only.

Specifications

Parameter Specification Parameter Specification
Product ID IE-3100-4T2S-E Product type Industrial Ethernet switch
Network license Network Essentials Total ports 6 Gigabit Ethernet ports
Copper downlink ports 4 x 10/100/1000 RJ45 ports SFP-only uplink ports 2 x 1000BASE-X ports
Combo uplink ports No combo uplinks listed for this PID PoE power budget Not applicable for this non-PoE model
Power input Dual DC inputs Nominal input voltage 12V to 48V
Absolute input voltage 9.6V to 60V Maximum current at 12V 1.6 A
Maximum current at 24V 0.8 A Maximum current at 48V 0.4 A
Inrush current at 12V 10 A for 7 ms Inrush current at 24V or 48V 6 A for 6 ms
Power consumption 14 W Forwarding rate 8.928 Mpps
Forwarding bandwidth 6 Gbps DRAM 4 GB
User-accessible flash 1.5 GB SD card capacity 1 GB, 4 GB, or 16 GB optional SD card
Unicast MAC addresses 8000 VLAN scale 256 VLANs
IGMP multicast groups 512 STP instances 128
Console ports 1 RS-232 via RJ45 and 1 micro USB Alarm I/O 2 dry-contact alarm inputs and 1 alarm output
Mounting DIN rail Operating system Cisco IOS XE
Operating temperature -40C to 75C in blower-equipped cabinet Storage temperature -40C to 85C
Relative humidity 5% to 95% noncondensing Operating altitude Up to 15000 ft with no temperature derating
Dimensions 5.00 x 2.55 x 4.33 in. / 12.70 x 6.48 x 11.00 cm Weight 1.6 lb / 0.73 kg
Ingress protection IP30 MTBF 931290 hours
Industrial protocol support EtherNet/IP CIP, Modbus, SCADA, GOOSE, and PROFINET MRP Management Cisco Catalyst Center, WebUI, CLI, SNMP, and open APIs

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Questions & Answers

  • What does IE-3100-4T2S-E provide in a small cabinet?

    IE-3100-4T2S-E provides 4 GE copper access ports and 2 GE SFP uplinks in a compact DIN Rail rugged switch with Network Essentials.
  • Is IE-3100-4T2S-E a PoE switch?

    IE-3100-4T2S-E is a non-PoE model, so PLCs or controllers connect for data while powered cameras or APs need separate power.
  • When does IE-3100-4T2S-E fit over larger IE3100 models?

    IE-3100-4T2S-E fits small machine cells, roadside cabinets, or remote panels where four copper drops and two fiber uplinks cover the site.
  • What uplink type does IE-3100-4T2S-E use?

    IE-3100-4T2S-E uses 2 GE SFP uplinks, giving fiber handoff options for ring, redundant uplink, or longer-distance cabinet connections.
  • What installation details matter for IE-3100-4T2S-E?

    IE-3100-4T2S-E planning covers DIN Rail mounting, grounding, dual-input DC power, dry-contact alarm inputs, fiber routing, and SD card service access.
  • How is IE-3100-4T2S-E different from IE-3100-4P2S-E?

    IE-3100-4T2S-E has 4 non-PoE GE copper ports, while IE-3100-4P2S-E uses 4 PoE/PoE+ GE copper ports and a PoE power budget.
  • What fiber optic check matters for IE-3100-4T2S-E?

    IE-3100-4T2S-E optic planning checks GE SFP type, multimode or single-mode fiber, industrial temperature rating, link distance, and any thermal derating.
  • What power range is relevant to IE-3100-4T2S-E?

    IE-3100-4T2S-E uses industrial DC input planning around 12V to 48V nominal operation, with cabinet power design separated from endpoint power.

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