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4-Port 10/100Base-T(X) Fast Ethernet Switch

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4-Port 10/100Base-T(X) Fast Ethernet Switch

4-Port 10/100Base-T(X) Fast Ethernet SwitchEN50121-4EN61000

The IFS-402F model is a 4 port 10/100Base-T Ethernet non-managed Fast Ethernet switch, with 2x 100Base-FX fibre ports, that provide stable and reliable Ethernet transmission. Housed in rugged DIN rail or wall mountable enclosures, these switches are designed for harsh environments, such as industrial networking, intelligent transportation systems (ITS) and are also suitable for many military and utility market applications where environmental conditions exceed commercial product specifications. Standard operating temperature range models (-10 to 60°C) and wide operating temperature range models (-40 to 75°C) fulfill the special needs of industrial automation applications.

4-Port 10/100Base-T(X) Fast Ethernet Switch schematic


  • Redundant dual DC input power 12/24/48VDC (9.6~60VDC)
  • IP30 rugged metal housing
  • Wide operating temperature -40 ~ 75°C
  • Provides broadcast storm protection
  • Supports DIP SW for alarm setting and broadcast storm protection
  • Supports power failure alarm message by relay
  • Supports flow control
  • UL60950-1, CE, FCC Certification
  • Industrial Grade EMS, EMI, EN61000-6-2, EN61000-6-4 certified
  • 4-Port 10/100Base-TX (RJ-45) with 1 or 2-port 100Base-FX Fibre


IEEE Standards:

  • IEEE 802.3 10Base-T Ethernet
  • IEEE 802.3u 100Base-T(X) and 100Base-FX Fast Ethernet
  • IEEE 802.3x Flow Control and Back Pressure

Switch Architecture: Back-plane (Switching Fabric): 1.2Gbps (IFS-402F, IFS-402F-E)
Data Processing: Store and Forward

Transfer Rate: 14,880pps for Ethernet port; 148,800pps for Fast Ethernet port
Flow Control: IEEE 802.3x flow control, back pressure flow control
Provides broadcast storm protection: Present
MAC address Table Size: 2K
Packet Buffer Size: 448Kbits
Network Connector 10/100TX/100FX:

  • 4 x RJ-45, 2 x Fibre (IFS-402F, IFS-402F-E)
  • RJ-45 Port: Auto MDI/MDI-X function, 10/100BaseT(X) auto negotiation speed, Full/Half duplex
  • 100BaseFX Fibre connector : SC/ST, Muti Mode/Single Mode

Network Cable:

  • 10Base-T: 2-pair UTP/STP Cat. 5 cable
  • EIA/TIA-568 100-ohm (100m)
  • 100Base-TX: 2-pair UTP/STP Cat. 5 cable
  • EIA/TIA-568 100-ohm (100m)
  • Fibre Cable (Multi-mode): 50/125um~62.5/125um
  • Fibre Cable (Single-mode): 8/125um~10/125um
  • Wavelength: 1310nm (Multi-mode/Single-mode)
  • Available distance: 2KM (Multi-Mode); 30KM (Single-Mode); 50KM (Single Mode)

Protocol: CSMA/CD

  • Per unit: Power 1 (Green), Power 2 (Green), Fault (Amber)
  • RJ-45 Per port: Link/Active (Green), Speed 100 (Yellow)
  • Fibre Per port: Link/Active (Green)


  • DIP 1 Off : Enable power failure alarm, On : Disable
  • DIP 2 Off : Enable broadcast storm protection, On : Disables broadcast storm protection

Reserve polarity protection: Present

Overload current protection: Present
Power Supply:

  • Redundant Dual DC 12/24/48V (9.6~60VDC) Input power (Removable Terminal Block)
  • Provide DC Power JACK adapter cable for external power supply.

Alarm Relay Contact: Relay outputs with current carrying capacity of 1 A @24VDC, NC
Removable Terminal Block: Provide 2 Redundant power, Alarm relay contact, 6 Pin
Operating Temperature: -10 ~ 60°C (IFS-402F); -40 ~75°C (IFS-402F-E)
Operating Humidity: 5% to 95% (Non-condensing)
Storage Temperature: -40 ~ 85°C
Housing: Rugged Metal, IP30 Protection
Dimensions: 38 X 106 X 142mm (W X D X H)
Weight: 0.63kg (IFS-402F, IFS-402F-E )
Installation mounting: DIN Rail mounting and Wall Mounting
EMI: FCC Part 15 Subpart B Class A, CE EN 55022 Class A; EN61000-6-4 – Emission for industrial environment

  • EN61000-6-2 – Immunity for Industrial environment
  • EN61000-4-2 (ESD) Level 3,Criteria B
  • EN61000-4-3 (RS) Level 3,Criteria A
  • EN61000-4-4 (Burst) Level 3,Criteria A
  • EN61000-4-5 (Surge) Level 3,Criteria B
  • EN61000-4-6 (CS) Level 3,Criteria A
  • EN61000-4-8 (Magnetic Field) Level 3, Criteria A

Safety: UL60950-1 (Pending)
Rail Traffic: EN 50121-4
Shock: IEC 60068-2-27
Freefall: IEC 60068-2-32
Vibration: IEC 60068-2-6
Warranty: 5 years
MTBF: 509,883Hrs (IFS-402F, IFS-402F-E)