Adder AdderLink Multiscreen USB Extender, up to 150ft.


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Video Input: VGA
Video Output: Dual Monitor
Max Distance: 150 Ft
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Adder AdderLink X50-MS Multiscreen USB Extender was designed for use in applications where computers can have their USB peripherals including keyboards and mice, high quality video and audio control extended up to 50m (150 ft.) across CAT5 or higher UTP cable. The AdderLink X50-MS provides sharp, bright and ultra high-resolution video over a VGA interface and ensures total USB compatibility regardless of the computer being controlled or the peripheral being extended.

The AdderLink X50-MultiScreen adds a second video and transparent, high speed RS232 up to baud rates of 19200. This extra functionality adds to the diverse range of solutions for which the AdderLink X50-MS can be utilized including the extension of computers with dual monitors and allow it to be used in touch screen and interactive kiosk applications.

Adder X50-MS Application Diagram

  • Short-haul USB KVM extender, up to 165 ft (50 m)
  • Transparent USB, dual-head video, stereo audio, and serial over a two CATx cables
  • High quality dual-head VGA up to 1920 x 1440
  • Full serial RS232 support for touch screen applications
  • Finely adjustable video compensation
  • CD quality stereo audio
  • 4-port USB 2.0 hub at receiver

Adder X50-MS Receiver Front & Rear View
Adder X50-MS Receiver Front & Back View

Adder X50-MS Features

  • Adder X50 Extend VGA KVM up to 500ft (150m) extension over CatX cable

    Up to 165ft (50m) over CatX cable

    VGA video, USB 2.0 (4-port hub) and audio all pass along a single CatX cable. A second CATx cable is required for the dual-head VGA extension. Distance is dependent on the monitor resolution, number of monitors, cable type and the number of connection breaks for patch panels and wall plates:

  • Adder X50-MS 4-Port transparent USB 2.0 hub

    4-Port transparent USB 2.0 Hub (Low, Full, High Speed)

    The 4-port transparent link supports most common USB devices such as mice, keyboards, touch screens, graphic tablets, jog shuttles, joysticks and mass storage devices. Isochronous devices such as web cams and headsets can also be used.

  • Adder X50-MS High-definition analog VGA video

    High-definition dual-monitor VGA video

    The X50-MS dual-head VGA kvm extension system supports crisp, clear and industry leading video quality at very high resolutions of 1920x1200 Full HD 1080p, 1080i and 720p with distance up to 150 feet (50 meters).

  • Adder X50-MS CD quality audio

    Bidirectional CD-quality audio

    CD audio quality (stereo channel 16 bit sampled at 44.1kHz) is available to transfer stereo audio from local to remote for Line Out.

  • Adder X50-MS Serial RS232 extension

    Serial RS232

    RS232 can be passed between the units to a maximum baud rate 115K2. Extending Adder's RC4 remote key switch is also supported.

  • Adder X50-MS Dual Access - Local Access Port

    Dual access - Local feed through port

    For local control of extended computers the ADDERLink X50-MS provides both a local video and audio output at the transmitter unit. (USB devices can be plugged directly into the computer)

  • Adder X50-MS video adjustment control

    Video compensation

    The ADDERLink X50-MS allows for a great range of very smooth and fine adjustments enabling the user to adjust the video picture to their exact preference

  • Adder X50-MS Advanced DDC

    Advanced DDC protocol

    Unless an extender actively supports DDC some high performance video cards cannot be used at high resolutions. The ADDERLink X50-MS fully supports 2-page DDC ensuring all possible resolutions are supported

  • Adder X50-MS - Extended common mode input range

    Extended common mode input range

    To ensure full operation in all environments and avoid problems such as screen blanking in industrial environments caused for example by large electrical equipment switching, the ADDERLink X50-MS implements a special termination system that allows the common mode range to be extended.

  • Adder X50-MS multi-platform

    Fully platform independent

    As the ADDERLink X50-MS supports fully transparent USB connections it is able to support all common hardware platforms including PC, Sun and MAC and their associated peripherals.

  • Adder X50-MS Plug and Play

    Plug and Play

    Installation is straightforward and there is no need for any extra drivers or software to be installed.

  • Adder X-RMK-CHASSIS - 16 X50-MS mounted in 2U 19in rack mount kit

    High density rack mount option

    the ADDERLink X50-MS units can be mounted into a chassis (X-RMK-CHASSIS) that will allow 16 (X50) or 8 (X50-MS) units to be housed in 2U of rack space.

X50-MS2-US Package Contents

Adder X50-MS Package Contents

  1. (1) X50-MS Local Transmitter
  2. (1) X50-MS Remote Receiver
  3. (1) VSC24: 6.6ft / 2m USB cable, type A to B
  4. (2) VSC18: 6.6ft / 2m VGA video cable (15 pin, male to male)
  5. (1) VSC22: 6.6ft / 2m audio cable (3.5mm jacks)
  6. (1) 6.6ft / 2m serial RS232 cable
  7. (1) PSU-IEC-5VDC-2.5A: Power adapter with US power cord (for remote module)
  8. (1) CD-Rom
  9. (8) Self-adhesive rubber feet
  10. (1) 2-Year Limited Warranty & Lifetime World Class Support

Adder X50-MS2-US Specifications

MechanicalLocal UnitRemote Unit
Height 1 in. (26 mm.)1 in. (26 mm.)
Width 4.7 in. (120 mm.)4.7 in. (120 mm.)
Depth3 in. (75 mm.)3 in. (75 mm.)
Weight1 lb. (430 g.)1 lb. (430 g.)
Video input/outputHDD15HDD15
Keyboard/Mouse/USB devicesUSB type BUSB Type A hub
Audio input/output3.5mm jack3.5mm jack
CATxRJ45 connectorRJ45 connector
Power2.5mm DC jack2.5mm DC jack
Operating Temperature0°C to 40°C / 32°F to 104°F
Power (remote only)100 - 240VAC, 10W , 50-60Hz
Video Resolution1920 x 1200 x 60Hz at distances up to 50m / 150 ft.
Extension DistanceUp to 50m / 150 ft. using CATx cable (x=5,5e,6)
Devices SupportedSupports all computers with USB style keyboards and mice, HDD15 video connectors and audio through 3.5 mm audio jack. Supports all USB devices.
O/S CompatibilityAll known software and operating systems including Windows (all), DOS, Linux, Unix, BSD, Sun OS, Solaris, Mac OS, NetWare etc

X50-MS is also known as X50-MS-US, X50-MS2, and X50-MS2-US.

Question: How many monitors does the AdderLink X50 support?
Answer: Thank you for your inquiry. This ADDERLink X50 MultiScreen (X50-MS2) extender will support up to two monitors.

Question: Is the power supply included or do I need to order that separately?
Answer: Thank you for your inquiry,

The Adder X50-MS2-US Extender comes with the the rquired the power supply for operation. This is an out of box solution, so you should be good to go just buying the kit.

Question: What are the main differences between the x50 series and the X-USB Pro series extenders?
Answer: Thank you for your inquiry,

These are the main differance between the X50 and the X-USB PRO series is the extension distance:

X-USB Pro: extends up to 200m / 650ft.
X50: extends up to 50m / 160ft.

If you would like a recommendation based on your setup, please feel free to contact your KVM Switches Online sales representative directly at 1-877-586-6654, at, or via our online Chat functionality.