Black Box
Black Box ServSwitch Dual DVI Single-Mode Fiber Optic KVM Extender
Best reliable extension for critical professional setups.
Extend dual DVI signals over single-mode fiber with the Black Box ServSwitch KVM Extender. This wired solution supports up to WUXGA resolution (1920 x 1200) and offers an impressive maximum operating distance of 459,317 feet. It features connectivity for USB devices and DVI displays, with 3 USB ports and 6 DVI ports. The transmitter and receiver units share identical compact dimensions and weight, making installation flexible. This extender is designed for reliable, long-distance KVM extension in professional environments.
$8665.86
Owner Satisfaction
4.3
/ 5
Category Rank
2286
/ 2581
#2286 in Repeaters & Transceivers
Price vs Category Average
+783%
Above average
Product Type
KVM Console/Extender
/ KVM Console/Extender
Who it's for
- IT administrators managing geographically dispersed or secure data centers
- Professionals requiring high-fidelity dual monitor setups at a distance
- Organizations prioritizing secure and interference-free remote system access
Who should skip it
- Budget-conscious small businesses or individual users
- Teams without existing fiber infrastructure or technical installation staff
- Users with modern monitors primarily using DisplayPort or HDMI interfaces
Key Specs
Product Type
KVM Console/Extender
Manufacturer Part Number
ACS4201A-R2-SM
Warranty
2 Year
Connectivity
Wired
Brand
Black Box
Country of Origin
Germany
Resolution
1920 x 1200
Max Distance
459,317 ft
Features
- Extend dual DVI signals over single-mode fiber
- Supports WUXGA resolution up to 1920 x 1200
- Extends signals up to 459,317 feet
- Includes 3 USB ports for peripheral connectivity
- Features 6 DVI ports for display connections
- Compact and identical transmitter and receiver units
- Wired connectivity for reliable performance
What customers say
Users consistently commend this KVM extender for its exceptional reliability and high performance, especially for dual DVI signals over single mode fiber. The product delivers crystal clear video and stable KVM control across significant distances, making it a dependable choice for demanding professional setups. Its robust construction and consistent operation are frequently highlighted, ensuring uninterrupted workflow and superior visual fidelity. Customers appreciate the long term stability and quality, finding it a worthwhile investment for critical applications where consistent, high quality extension is paramount.
Know before you buy
This unit is specifically designed for use with single-mode fiber optic cabling to achieve its maximum extension distance.
Yes, it supports WUXGA resolution, which provides a crisp display output of up to 1920 x 1200.
Yes, the extender includes three USB ports, allowing you to connect essential peripherals like a keyboard, mouse, or other USB devices directly at the remote workstation.
No, the transmitter and receiver units share identical dimensions and weight, which simplifies the installation process and makes it easier to manage your hardware setup.
Absolutely. With a maximum operating distance of over 450,000 feet, this wired solution is engineered for high-reliability, long-range KVM extension in demanding professional settings.
The system features six DVI ports in total, facilitating dual DVI signal extension for your display setup.
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