Advantech ADAM-4542+ Single-mode Fibre Optic to RS-232/422/485 Converter


  • Transmission speeds of up to 115.2 kbps
  • Half/Full-duplex, bidirectional transmission mode
  • Avoids lightning strikes and EMI/RFI interference
  • Prevents damage from electrostatic discharge
  • Stable and error-free data transmission
  • Automatic internal RS-485 bus supervision
  • No external flow control signals required for RS-485
  • Transient suppression and over-current protection on RS-422/485 data lines

For more information please click “Add to Inquiry”. Alternatively you can contact our US sales team on +1 347 719 4508.



Advantech’s ADAM-4542+ can be used as a RS-232/422/485 point-to-point or point-to-multi-point connection for transmitting and converting full/half-duplex signals and their equivalents within a fibre optic environment. Fibre optic transmission offers the benefits of wide bandwidth, immunity to EMI/RFI interference, and secure data transmission. Fiber optics is the perfect solution for applications where the transmission medium must be protected from electrical exposure.

The ADAM-4542+ module is specifically designed to link computer systems or manufacturing machines equipped with a RS-232/422/485 communication ports. Using a standard SC type fibre connector, the module’s fibre optic ports can accommodate a wide range of cable sizes, including 62.5/125, 250/125, 100/140 mm.


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  • Mounting: Panel
  • Power: 10-30VDC
  • Temperature: -10 to 70C
  • Temperature (Operating): -10~70 °C (14~158 °F)
  • Humidity: 5 ~ 95% RH
  • Serial Type: RS-232/422/485
  • Serial Connector: Terminal Block
  • Temperature (Storage): -25 ~ 85°C (-13 ~ 185°F)
  • Fibre Type: Single-mode
  • Interface: Fibre Optic to RS-232/422/485
  • Isolation Protection: Yes
  • Communication Speed: Serial: From 1,200 to 115.2 k
  • Data Flow Control: Yes
  • Connector: RS-232/422/485: plug-in screw terminal Fiber: SC connector
  • Power Requirement: 10~30 VDC

Shipping Information

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Accepted payment methods for US customers include bank transfer, VISA or Mastercard in USD.

Warranty & Service Information for Advantech Products (United States)

As an official USA partner of Advantech, we provide a 2 year warranty on all Advantech products supplied to customers within USA. This also covers products which have been customized by Assured Systems. Warranties can also be extended if required, please contact us for further information.

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