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Adder X2-MS4-US 4x Video/KVM/RS232 Over CAT5/6 Extender (Transmitter/Receiver) Kit

Part of the ADDERLink X-Series, the ADDERLink X2 MultiScreen extends two or four video signals together with keyboard, mouse, audio and two or four transparent, full speed RS232 signals up to 300m/1000ft over Category 5 or higher UTP cable
In stock (50 items available)
  • Brand
  • SKU
  • Weight
    7.00 lbs
  • Warranty
    2 Years
  • Condition
  • Status
Product availability status

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  • $2275.25
Market price: $2395.00, you save $119.75
  • 5% less
  • Shipping info
    We offer free ground shipping on every purchase of $300 and more for US.
  • Payment Methods

  • Return Policy
    We Offer a 30-Day Money Back Guarantee
  • Weight
    7 lbs
  • SKU
  • Mnf#/Vendor#
The ADDERLink X2-MS4-US MultiScreen extends two (2) or four (4) very high-quality video, mouse, keyboard, audio plus 2 or 4 transparent, high-speed RS232. The system is a part of the ADDERLink X Series and extends up to 300m (1000 feet) via Category 5 or higher UTP cable. The kit can provide top- quality video clarity, compatibility as well as high rack densities. It features local KVM plus audio access at the computer for local and remote control. The Kit allows resolutions of 1600x1200 at 200 meters/650 feet and 1280x1024 at 300 meters/1000ft.

Video resolutions

1900 x 1440 at distances up to 50m (150ft) 1600x1200 at distances up to 200m (650ft) 1280x1024 at distances up to 300m (1000ft)

Extension distance

Up to 300m (1000ft) using CATx cable (x=5,5e,6,7)

Devices supported

Supports PS/2 style keyboard, PS/2 style mouse, flatscreen and CRT style monitors with standard HD-15 video connectors. Transparent RS232 connection.

O/S compatibility

All known software and operating systems including Windows (all), DOS, Linux, Unix, BSD, Sun OS, Solaris, Mac OS, Netware etc.

Connectors (Local computer-end unit)

Computer connection:  1 x 25-way female connector for first KVM and audio (cable supplied).  HD-15 female for additional VGA in (cable supplied). Serial: 2 or 4 x DB9.  2 or 4 x HD-15 for local video out, 2 x  MiniDin6 for local K/M,  1 x 3.5mm local audio out.  CATx: 1 x RJ45 connector per video out.  Optional power: 2.5mm DC jack

Connectors (Remote console-end unit)

Video: 2 or 4 HD-15,  Keyboard/Mouse: MiniDin6.  CATx: 2 or 4 x RJ45 connector.  Serial: 2 or 4 DB9. 2 x 3.5mm audio in/out  Power: 2.5mm DC jack

Physical (Tx and Rx units)

MS2 - 172mm/6.8" x 8mm/3.1" x 75mm/2.95"  MS4 - 172mm/6.8" x 107mm/4.2" x 75mm/2.95"

Power supply

100-240VAC, 50-60Hz PSU-IEC-5VDC-4A (MS4), PSU-IEC-5VDC-2A (MS2)

Operating temperature

0 - 40 deg C (32 to 104 deg F)



Order Codes

Dual Screen X2-MS2-XX Quad Screen X2-MS4-XX Quad Screen Transmitter only X2-MS4/T-XX

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

Free Ground Shipping
We offer free ground shipping on every purchase of $300 and more for US and US territory. Please choose "Free Ground Shipping (UPS/USPS)" option at checkout.

UPS Ground
UPS provides up-to-date tracking information. Ground service takes anywhere from 2-7 working days for delivery depending on destinations.UPS Ground does not deliver on Saturdays, Sundays or Holidays.

USPS Priority Mail/USPS Express Mail For all shipments shipped via USPS, we offer 'DELIVERY CONFIRMATION' number with each package. Difference between tracking number provided by UPS vs USPS Delivery Confirmation number is: Delivery Confirmation status is updated when the delivery has been made or when the package has made it through major USPS stations.

Air Shipment
Air shipments, Overnight, 2nd day and 3 day select methods offer guaranteed delivery time for your shipment. If you are in hurry or in need for the items on schedule, select one of these methods. Up-to-date tracking information is provided with each Air Shipment. BZB Express has the right to choose between Air shipments to meet or reduce delivery time. For guaranteed delivery of multiple items with expedited shipping, please contact our customer service representative for personalized assistance to get your items delivered to you when you need them.

International Customers
We offer shipping via USPS/UPS for our international customers. You can find different shipping options during checkout.

Most items ordered from BZB Express will be shipped out from our California Warehouse. Will-Calls are only allowed with Appointment Only - Please call Customer Service to set one up between the hours of 9am to 6pm PST.


Major Credit Cards: Visa, MasterCard, Discover and American Express.
Paypal: You can select an option of Paying with Paypal in our shopping cart.
Money orders: and personal checks or company checks (may take up to 10 days to clear).
Wire Transfer: ( Bank Transfer ) only for the amount over $500. Contact us for the bank details.
Phone Orders: To place a phone order please call 1.888.660.2962 or 1.916.246.6263 and one of our Customer Service Representatives will take your order (8:00am - 6.00pm PST).

Purchase order: Fax purchase orders to 1.916.246.6258

We Offer A 30-Day Money Back Guarantee: 
Our main goal is to ensure your complete satisfaction with our service and products. If, for any reason, you are not 100% satisfied with your purchase, you can return it within 30 days of the purchase date for a full refund. Our 30-day money back guarantee applies to all of the products we sell, except for: TVs and monitors 20" and larger, Special Order merchandise, or any item indicated as non-returnable. Shipping is not refundable. Prior to returning your purchase, a Return Merchandise Authorization (RMA) number will be provided to you.

Refunds on returned items will be issued in the same payment form as received from the customer at the time of purchase. Once we receive the product and it passes inspection, we will credit your account. Please allow 3 - 6 business days for a credit to appear on your account.

If the item was sent back to us for an exchange, please allow 3 - 5 business days for the replacement to be processed.

No Returns/Exchanges on the following:

TVs and monitors 20" and larger
Special Order merchandise
Any item indicated on the website as non-returnable

For more information see our official Return Policy