Logic & Relay

How to Choose an Industrial Networking Fieldbus Switch: Cisco IE-3400 vs IE-1000 vs IE-3000

Four used Cisco industrial networking fieldbus switches from $54.99 to $3,400: see which one fits your port, feature, and budget needs.

Last updated Aug 17, 2026

Quick Take

Factory and process networks put unusual demands on Ethernet gear. Switches can sit in panel enclosures, near machinery, or in spaces where heat and vibration are everyday conditions. That is why the industrial networking fieldbus space is full of Cisco Ethernet switches, and this set of four used switches spans a wide price range. The right choice depends on the port count you need, whether you want advanced configuration, and how much you are willing to spend. Some of these switches include a power cable or a fuller set of features; others are bare modules with visible wear. The sections below will help you match a model to your environment.

Price comparison

ModelPricePrice barKey details
Cisco IE-3400-8P2S-A Rugged Series Industrial Ethernet SwitchUSD 3,400.00Rugged Series, used, tested working, no power adapter
Cisco IE-1000-8P2S-LM V03 Industrial Ethernet Switch 8-Port w/ CableUSD 179.008-Port, includes power cable, needs buyer reset
Cisco IE-3000-8TC Industrial Ethernet Switch Managed Network EquipmentUSD 250.0016 Ethernet (RJ-45) ports, dual DC inputs, console, alarm relay
Cisco IE-3000-8TC Industrial Ethernet Switch Module IE 3000 8TCUSD 54.99IE 3000 8TC module, used, multi-unit condition

Decision matrix

Start with the price band. The IE-3400 sits alone at the top of the range. The IE-1000 and the IE-3000 network equipment model sit in the middle, and the IE-3000 module is at the bottom. If you want the shortest bar in the table, the bottom of the range will feel comfortable. If you need what the longer bars represent, move up. From there, the detailed sections below settle the trade-offs between included accessories, reset state, and port detail.

Product notes

Cisco IE-3400-8P2S-A Rugged Series Industrial Ethernet Switch

Cisco IE-3400-8P2S-A Rugged Series Industrial Ethernet Switch

If the Rugged Series badge matters, this is the only switch here that carries it. The unit is used, was pulled from a working office environment, and is tested as working, but it ships without a power adapter and may show light surface scratches, scuffs, or edge wear. At USD 3,400.00, it is the most expensive of the four, so you are paying for the Rugged Series identity and the IE-3400 model. Because the power adapter is not included, anyone moving this into service will need to supply compatible power and plan for that extra cost. If you already have that power in place, this becomes a strong option for the top of the price range.

Cisco IE-1000-8P2S-LM V03 Industrial Ethernet Switch 8-Port w/ Cable

Cisco IE-1000-8P2S-LM V03 Industrial Ethernet Switch 8-Port w/ Cable

This is the practical middle pick if you want a switch that comes with its power cable. At USD 179.00, it is well below the IE-3400 and gives you an 8-port industrial Ethernet switch in one package. The tradeoff is that the unit was retired from service and has not been factory reset, so you should expect to perform a reset and reconfigure it before putting it into your network. It may also show wear from previous use, and the included accessories are limited to the main unit and power cable. If you are comfortable with that setup work, the price and included cable make this an easy choice.

Cisco IE-3000-8TC Industrial Ethernet Switch Module IE 3000 8TC

Cisco IE-3000-8TC Industrial Ethernet Switch Module IE 3000 8TC

At USD 54.99, this is the lowest-priced switch in the group. If your goal is to get an IE-3000 8TC switch module without spending much, this is the entry point. The unit is used with signs of wear such as scratches and scuffs, and because multiple units are involved in the sale, the condition is similar to the one shown in the photos rather than exactly the same. Interested buyers are asked to get in touch before purchasing. If you are okay with used-condition wear and need a low-cost module for a spare or a project that tolerates visible wear, this is worth a look.

Cisco IE-3000-8TC Industrial Ethernet Switch Managed Network Equipment

Cisco IE-3000-8TC Industrial Ethernet Switch Managed Network Equipment

For buyers who need a switch with a defined port count and management features, this IE-3000-8TC is the one to look at. At USD 250.00, it is an industrial-grade managed switch for harsh environments and hazardous-location applications, with 16 Ethernet (RJ-45) ports, dual DC power inputs, an alarm relay, and a console port. That combination makes it a good fit for a plant or process network. The used-gear limitations are Grade B condition, possible light scratches, and no accessories included. It has been tested for key functions, but you will need to supply cabling and power. If you want configuration access and a clear port count, this switch has the details to back that up.

Final recommendation by use case

  • Go with the IE-3400 only when your spending limit reaches the top of the range.
  • Go with the IE-1000 for a mid-priced option that keeps setup practical.
  • Go with the IE-3000 network equipment model for a mid-priced, well-documented industrial switch.
  • Go with the IE-3000 module for the lowest possible outlay.
Products in this article
Cisco IE-3400-8P2S-A Rugged Series Industrial Ethernet SwitchUSD 3,400.00View on eBayCisco IE-1000-8P2S-LM V03 Industrial Ethernet Switch 8-Port w/ CableUSD 179.00View on eBayCisco IE-3000-8TC Industrial Ethernet Switch Module IE 3000 8TCUSD 54.99View on eBayCisco IE-3000-8TC Industrial Ethernet Switch Managed Network EquipmentUSD 250.00View on eBay
Cisco IE-3400-8P2S-A Rugged Series Industrial Ethernet SwitchUSD 3,400.00View on eBayCisco IE-1000-8P2S-LM V03 Industrial Ethernet Switch 8-Port w/ CableUSD 179.00View on eBayCisco IE-3000-8TC Industrial Ethernet Switch Module IE 3000 8TCUSD 54.99View on eBayCisco IE-3000-8TC Industrial Ethernet Switch Managed Network EquipmentUSD 250.00View on eBay

You may also like

Finding more guides for you…