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Gigabit Media Converters


Hardened Grade 10/100/1000Base-TX to 1000Base-SFP Ethernet Media Converter

Main Features -

Dual Power Input for High Reliability

  • Automatically switch to secondary power input when primary power input fails, ensuring continuous operation without down time.
  • Redundant power supply reduces possibility of single-point-of-failure.

Environmentally Hardened Design

  • With a compact metal housing with an IP40 rating
  • Environmentally hardened for direct deployment in difficult unconditioned out-of-plant and roadside installations.
  • Extended ambient operating temperature range: -40 ̊ C to +75 ̊ C


Other Features -

  • Converts 10/100/1000Base-TX to 1000Base-SFP
  • Supports Full/Half-duplex, Auto-negotiation, Auto MDI/MDIX
  • Extensive LED indicators for network diagnostics
  • Supports external 1000Base-SFP
  • 1024Kbits Packet Buffer
  • Aluminium case
  • Supports DIN-Rail and Wall-mount installation

Ordering Information -

Available Model Description
ET1212H-S-DR Hardened Grade 10/100/1000Base-TX to 1000Base-SFP Ethernet Media Converter
Optional Accessories (to be purchased separately)
SFP (S)=SFP Option. Please select your SFP on our SFP Modules page for details.
Power Supply Recommended power supply: MDR-10-12. Please refer to the Power Adaptors and Power Supply page for more information.
Package Checklist
- Gigabit Ethernet Media Converter x 1
- Din Rail Clip x 1
- Quick Installation Guide x 1


Standards IEEE802.3
Processing Type Store-and-Forward
Forward Filter Rate 14,880pps (10Mbps)
148,800pps (100Mbps)
148,8000pps (1000Mbps)
Cabling 10Base-TX: Cat5 or above
100Base-TX: Cat5 or above
1000Base-TX: Cat5 or above
Packet Buffer Memory 1M bits
Max Packet Length 10K Bytes
Address Table Size 8K
RJ45 port 10/100/1000Mbps-Full/Half-duplex, Auto-negotiation, Auto MDI/MDI-X
SFP port 1000Base-SFP (Suggest OTS SFP)
LED Indicators Power; Link
SFP port 1000Mbps
Electrical and Mechanical
Input Power DC9-56V (Terminal block, Redundant power)
Power Consumption 5W, Max. 0.1A@48VDC
Dimensions (W x D x H) 120 × 90 × 35 mm
Weight 370 g
Casing Aluminium case
Mounting Options DIN-Rail and Wall Mount
Operation Temperature -40˚C to 75˚C (-40˚F to 167˚F)
Storage Temperature -40˚C to 85˚C (-40˚F to 185˚F)
Relative Humidity 5% to 90% non-condensing
MTBF > 100,000 hrs
Regulatory Approvals
FCC Part 15 Subpart B
IEC 62321-7-2:2017
IEC 62321-4:2013+A1:2017
IEC 62321-5:2013
IEC 62321-6:2015
IEC 62321-8:2017
EN 55032: 2016
EN 55035: 2017


  • ET1212H-S-DR Datasheet
  • 25 Mar 2024