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Media Converters

ET8181-S Series End-of-Life

Industrial Rack-mount 8-ch 10/100Base-TX to 100Base-FX SFP Ethernet Media Converter (Optional Redundant AC inputs)

General -

  • 19” 1U Rack-mount
  • Converts 10/100Base-TX to 100Base-FX SFP
  • RJ45 Port Supports 10/100Mbps-Full/Half-duplex, Auto-negotiation, Auto MDI/MDIX
  • Supports external 100Base SFP
  • AC Power input (Redundant AC Power input for ET8181-S-RP)
  • -10°C to 60°C (14°F to 140°F) operating temperature


Ordering Information -

Available Model Description
ET8181-S Industrial Rack-mount 8-ch 10/100Base-TX to 100Base-FX SFP Ethernet Media Converter
ET8181-S-RP Industrial Rack-mount 8-ch 10/100Base-TX to 100Base-FX SFP Ethernet Media Converter, Redundant AC inputs
Optional Accessories (to be purchased separately)
SFP (S)=SFP Option. Please select your SFP on our SFP Modules page at the back of the catalogue or our website www.ot-systems.comfor details.
Package Checklist
- Multi-port Media Converter x 1
- Power Code, US, UK, EU or AU type on request x 1
- Quick Installation Guide x 1


Standards IEEE802.3 10Base-T
IEEE802.3u 100Base-TX/FX
Processing Type Converter Mode
Forward Filter Rate 14,880pps (10Mbps)
148,800pps (100Mbps)
Packet Buffer Memory 128K bit
Max Packet Length 1600 Bytes
10 / 100Base-TX 8 x RJ45
100Base-FX 8 x SFP
Electrical and Mechanical
Input Power 100~240VAC, 50/60Hz
(2 AC inputs for ET8181-S-RP)
Power Consumption 100mA @220VAC
LED Indicators
Power Power Status
Ethernet (Per Port) LINK/Activity, Speed
SFP (Per Port) LINK
Dimensions (W x D x H) 433 × 250 × 44 mm
Weight 1.5 Kg
Casing Aluminum case
Mounting Options Rack Mount
Operation Temperature -10˚C to 60˚C (14˚F to 140˚F)
Storage Temperature -40˚C to 85˚C (-40˚F to 185˚F)
Relative Humidity 5% to 95% non-condensing
MTBF > 200,000 hrs
Regulatory Approvals
ISO9001, CE, FCC, RoHs
EN55022:2010+AC: 2011, Class A
EN61000-3-2:2006+A1: 2009+A2:2009
EN61000-3-3: 2013
IEC 61000-4-2:2008(ESD)
IEC 61000-4-3:2010(RS)
IEC 61000-4-4:2012(EFT)
IEC61000-4-5: 2014(Surge)
IEC 61000-4-8: 2009 (PFMF)
IEC 61000-4-11: 2004 (Voltage dips/variations)


  • ET8181-S Series Datasheet
  • 09 Oct 2018
  • ET8181-S Series User Manual
  • 27 May 2016
  • Media Converters Products Datasheet Pack
  • 27 May 2016
  • 2019 Industrial Ethernet & Networking Products Catalog
  • 09 Oct 2018
  • 2016 Product Selection Guide
  • 27 May 2016