Develop a wide range of wireless and wired products
to meet various M2M and IoT needs.

Unmanaged Ethernet Switch



  • IEEE 802.3x flow control & back-pressure
  • 9K jumbo frames
  • L2 wire-speed switching engine
  • 2K MAC forwarding addresses
  • Queues per port: 4
  • Supports 802.1p & TOS/DS QoS
  • Multicast/Broadcast/Flooding Storm Control
  • Fanless & wide operating temperature range (-40~+75°C)
  • Dual power input (12~58VDC) & reverse power protection
  • Hi-POT 1.5 KV
  • IP30
  • DIN-rail and wall mounting option



5-Port Ethernet Switch series provides different combination in Gigabit/Fast Ethernet and fiber connections for optional. It fulfills the needs of the rapid growth of communication traffic in the industrial network. MLB series is designed for supporting standard industrial applications without complex setup to make the network truly plug-and-play.


Operating Mode

Store and forward

L2 wire-speed/non-blocking switching engine

MAC Addresses 2K (Gigabit Ethernet)/1K (Fast Ethernet)
Jumbo Frames 9K Bytes
Copper RJ45 Ports

Fast Ethernet Switch:

10/100M Copper ports speed


MDI/MDIX auto-crossover

Ethernet Isolation 1500 VRMS 1 minute
Ethernet Port Indication Link & Speed
Environmental & Compliances  
Operating Temperature Range -40~+75°C (cold startup at -40°C)
Storage Temperature Range

-40~+85 °C

Humidity 5~95% (non-condensing)
Vibration, Shock & Freefall

Vibration: IEC60068-2-6

Shock: IEC60068-2-27

Freefall: IEC60068-2-32

Certification Compliance CE/FCC/UL-508; EN-50121-4
Electrical Safety UL508/CSA C22, EN61010-1, CE
SFP Ports

Gigabit Ethernet Fiber Switch:

100/1000 base SFP slot

Fast Ethernet Fiber Switch:

100 Base SFP slot

Fiber Port Connector LC typically for fiber (depends on module)
Flow Control IEEE 802.3x (full duplex) and back-pressure (half duplex)
Fault Contact Power alarm relay output (MLB-E4101-5)
QoS IEEE 802.1p
Number of Queues 4
Traffic Shaper Port-based port shaping

Storm Control

Multicast/Broadcast/Flooding Storm Control per system basis enable/disable

Power Input Redundant input terminals; reverse power protection
Input Voltage Range 12~58VDC
Power Status Indication Indication of power input status

FCC Part 15, CISPR 22 (EN55022) class A

IEC61000-4-2, -3, -4, -5, -6 (level 3)

RoHS and WEEE RoHS (Pb free) and WEEE compliant
MTBF > 25 years
Ingress Protection IP30
Installation Option

DIN-rail mounting

Wall mounting


IEEE 802.1ab Link Layer Discovery

Prorocol (LLDP)

Dimension 112.2x28.1x89.4mm (without DIN rail clip)
Weight 295g


Model No. Description
MLB-E4116-5-F-SM 5-Port Unmanaged Ethernet Switch