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Ethernet Switches

ET1222H-S-DR End-of-Life

Hardened Self-Configured 1-port 10/100/1000Base-TX + 2-port 1000Base-FX SFP Ethernet Switch

General -

  • 1 10/100/1000Base-TX + 2 1000Base-FX SFP
  • Automatically support IGMP (Multicasting)
  • 10/100/1000Mbps RJ45 Port Supports Full/Half-duplex, Auto-negotiation, Auto MDI/MDIX
  • Supports external 1000Base SFP
  • Supports Light Hardware IGMP V1, V2, V3
  • Supports 802.3x Flow control
  • Supports Broadcast Storm Control
  • 1M bits frame buffer memory
  • 9K Bytes Jumbo Frame
  • Supports Relay output for Power failure and port failure alarm
  • Redundant Power Inputs
  • Supports Wall-mount and DIN-Rail installation
  • -40°C to 75°C (-40°F to 167°F) operating temperature


Ordering Information -

Available Model Description
ET1222H-S-DR Hardened Self-Configured 1-port 10/100/1000Base-TX + 2-port 1000Base-FX SFP Ethernet Switch
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.
Power Supply Please refer to the power supply information at the back of the catalogue, our website www.ot-systems.com, or consult OTS sales at sales@ot-systems.com for your power system design properly.
Package Checklist
- Self-Configured Switch x 1
- Wall Mount Plates x 1
- DIN-Rail Clip x 1
- Quick Installation Guide x 1


Standards IEEE802.3 10Base-T
IEEE802.3u 100Base-TX
IEEE802.3ab 1000Base-T
IEEE802.3z 1000Base-X
Processing Type Store-and-Forward
Switch Fabric 6 Gbps
Standards 14,880pps (10Mbps)
148,800pps (100Mbps)
1,488,000pps (1000Mbps)
Switching Fabric 6 Gbps
Packet Buffer Memory 1 Mbit
Max Packet Length 9K Bytes
Address Table Size 2048K MAC Addresses
Connector 1 x RJ45
Optical Port 2 x 1000Base-FX SFP
Electrical and Mechanical
Input Power 2 x 12~48VDC, Redundant Power (6-pin Terminal Block)
Power Consumption Max 5W
LED Indicators
Power Power1, Power2 Status
Ethernet(Per Port) LINK/Activity
Dimensions (W x D x H) 31 x 120 x 148 mm
Weight 0.4 Kg
Casing Aluminum case
Mounting DIN-Rail / 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 95% non-condensing
MTBF > 300,000 hrs
Regulatory Approvals
ISO9001, CE, FCC, RoHS
EN55022:2010+AC: 2011, Class A
EN 61000-3-2: 2006+A1: 2009+A2: 2009
EN 61000-3-3: 2013
IEC 61000-4-2: 2008 (ESD)
IEC 61000-4-3: 2010 (RS)
IEC 61000-4-4: 2012 (EFT)
IEC 61000-4-5: 2014 (Surge)
IEC 61000-4-6: 2013 (CS)
IEC 61000-4-8: 2009 (PFMF)


  • ET1222H-S-DR Datasheet
  • 09 Oct 2018
  • Self-configured/Smart Ethernet Switches Products Datasheet Pack
  • 08 Apr 2016
  • 2019 Industrial Ethernet & Networking Products Catalog
  • 09 Oct 2018
  • 2016 Product Selection Guide
  • 08 Apr 2016