The ADDERLink® XD150FX small form factor DVI video extender transmits high resolution 2560 x 1600 video, USB 2.0 and audio signals as far as 4km over fiber

AdderLink XD150FX (tx)


The ADDERLink® XD150FX high-performance KVM (Keyboard, Video, Mouse) transmits high resolution video, USB 2.0 and audio signals up to 4km (2.5miles), complemented with support for a wide range of USB devices. Critical hardware can be located in a secure, temperature controlled environment with the same desktop experience is maintained through real-time, lossless extension to the user work station.

Product codes
AdderLink XD150FX diagram

Product Features

  • ​​​​​Extension Distances: flexible resolution versus extension distance options, with resolutions up to 2560 x 1600 @60Hz at extension distances of up to 150m (500ft) for OM2 multi-mode fiber, increasing to 4km (2.5miles) with single mode fiber
  • Transparent USB 2.0 (Low, Full, High Speed): for a whole range of USB devices including keyboards, mice, tablets, touch screens and mass storage devices, connected via the built-in 4-port USB hub

  • Bidirectional Analog Audio: line in/out with microphone and headphone support. The unit delivers CD-quality stereo audio (24bit sampling at 96kHz) is available to transfer audio between local and remote

  • RS232 support: with RTS/CTS flow control. RS232 can be passed between the units to a maximum baud rate 115K2 via the options port. Adder’s Remote Key Switch (RC4) is also supported

  • Perfect digital video, real time control: uncompressed video extension with every pixel of every frame transferred with zero loss and in real-time

  • Fiber Extension: SFP cages allow for flexible use of fiber types

  • Plug and Play: straightforward installation with no need for extra drivers or software

  • Locking power connectors: locking 3 Pin DC jack with 2 power adaptors included

  • CD quality analog audio: stereo channel 16bit sampled at 44.1kHz is available to transfer stereo audio from local to remote for Line Out

  • Intelligent operation, compatibility and future-proofing: EDID (Extended Display Identification Data) allows the true characteristics of the monitor to be passed back to the computer; KVM switch mode for optimal KVM device compatibility; complete system is flash upgradeable from the computer end.

  • Space-saving rackmount kit: easy-access 19” rack mounting kit with two units per 1U of rack space

  • REST API Support: REST (Representational State Transfer) API with all functionality allowing interaction from authorized 3rd party control systems

  • Web interface control: temperature and status are viewable and each function can be individually controlled. Web interface security is by HTTP digest authentication (RFC 2617) with username and password as requested information


Approvals / Compliance

  • CE

  • FCC


Hardware compatibility All computers with DVI, USB and audio

DVI Interface The system supports resolutions to a maximum of 2560 x 1600 @60Hz

USB 2.0 Supports USB 2.0 devices (Low, Full and High Speed). Isochronous devices are supported.

Cable Guidelines



0 to 40ºC / 32 to 104ºF

Connectors – Local Unit

Connections Transmitter (TX) DVI, Audio 3.5mm x 2, USB type-B, Options port (6p6c), Ethernet port (8p8c)

Peripheral connections. Receiver (RX) DVI, Audio 3.5mm (line in and out), Audio 3.5mm (mic in and headphones), USB type-A x 4, Options port (6p6c)


Physical design

Compact case, robust metal construction

169mm/6.65” (w), 31mm/1.22” (h), 120mm/4.8” (d)



Power 3 Pin Locking DC jack (2 x power adapter included),100-240V AC 50/60Hz, 0.7A, input to power adapter, 12V DC 18W output from power adapter


Software compatibility with all known operating systems

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Product manual
Firmware updates
Product datasheets
Where to buy

Adder products are purchasable through our key technology partners. You can find a partners on our where to buy page.

Where to buy
Ordering information

XD150FX-MM-XX: Multimode Pair*

XD150FX-SM-XX: Single mode Pair*

* including TX and RX units

XX = Mains Lead Country Code:
UK = United Kingdom
US = United States
EURO = Europe
AUS = Australia