Black Box ServSwitch Secure

USB Keyboard & Mouse Support to Control Your Networks

Low Price Guarantee


What's special about this secure KVM?

  • Allows you to keep your computers separate, but use just one keyboard, monitor, and mouse to access up to four computers
  • Automatic keyboard and mouse booting for IBM PC compatibles
  • The robust metal case provides excellent shielding against EMI/RFI
  • Click for More Features

The Black Box ServSwitch Secure allows you to enjoy USB keyboard and mouse support to control your public and private networks.  Enables you to keep your computers separate, but use just one keyboard, monitor, and mouse to access up to four PS/2 or USB-style computers. The ServSwitch secure enables you to keep your secure network and nonsecure network computers separate, while only having to use just one keyboard, monitor, and mouse to access both. It also enables you to switch between computers with just the touch of a button. It's so secure that you can use this switch to control multiple computers of varying security levels from single workstations. More


BB-SW721A-R2 ServSwitch 2 to 1 2.3"H x 8.8"W x 4.9"D
(5.8 x 22.44 x 12.4 cm)
3 lb. (1.4 kg)
BB-SW722A-R2 ServSwitch 4 to 1 2.3"H x 8.8"W x 4.9"D
(5.8 x 22.44 x 12.4 cm)
3 lb. (1.4 kg)

The ServSwitch is permanently hard wired. Every circuit is soldered down and there is no flash ROM. There is no way to use software to access one CPU from the other or to access one network from the other.
You can connect both USB and PS/2® CPUs to the ServSwitch, and boot them all simultaneously, or boot them remotely from your PC, making switching among CPUs easy.

  • NSA tested and TEMPEST approved for and by the U.S. Air Force. Other agencies under review for approval
  • 2 or 4-port secure KVM switch that supports both PS/2 or USB-style keyboards and mice
  • Non-upgradable ROM for security
  • Provides separation of computers connected to different networks
  • Ideal for use in secure environments
  • Switch from your keyboard or the switch’s front panel
  • 2 Year Double Diamond Protection


Maximum Distance:

Cable length: 20 ft. (6 m)
VGA with coax cable: 100 ft. (30.4 m)

Maximum Resolution:

With standard cable: 1024 x 768
With coax cable: 1280 x 1024

System Requirements: CPU: IBM PC/AT, PS/2, or compatible

Both Models: (1) 6-pin RJ-11, (1) 5-pin DIN
SW721A-R2: (3) DB25 F
SW722A-R2: (5) DB25 F

Indicators: LEDs: (1) Power; (1) CPU Selected, (1) CPU Power per port
Power: 115 VAC, 60 Hz
Operating Temperature: 0° C - 45° C
Size: 2.3"H x 8.8"W x 4.9"D (5.8 x 22.4 x 12.4 cm)
Weight: 3 lb. (1.4 kg)


The Double Diamond Warranty is our no-questions-asked warranty that protects your BLACK BOX® brand products from accidental damage, including drops, water, and power surges. Most products come with a one- or two-year warranty. Some products, such as copper cables, manual switches, cabinets, and racks, are guaranteed for life! During the warranty period, Black Box will repair or replace your damaged equipment within one week of receipt at NO CHARGE!






rackmounted monitor, keyboard, mouse Black BoxBlack Box ServTray
The economical Black Box ServTray allows you to solve all of these problems: reduces clutter in your server room, saves space in your rack or server from your monitor, mouse, and keyboard, allows you to work with a tight budget. Includes a KVM module for keyboard, monitor, and mouse connections. When pulled out The ServTray looks like a laptop and gives you full control of your rackmounted PS/2 server.

Black Box ServShare llBlack Box ServShare II
The ServShare™ II from Black Box is the flexible solution for enabling two to four users to share computer resources. Not only can you use it as a video splitter, it can also be used to allow users shared accessibility to a KVM switch. When using other ServShare II or ServShare Models together you can with many different systems at a time.

4-Port Desktop KVM Switch4-Port Desktop KVM Switch (PS/2) # TL-B022-004-R
The Tripp Lite 4-port KVM Switch Kit controls 4 computers from one keyboard, mouse and monitor. The 4-port KVM switch changes computers easily with a hot key combination on the keyboard, or by the selector switch. Compact desktop design allows an easy view of the status LEDs.
Black Box ServSwitch DVI Fiber Optic KVM ExtendersBlack Box ServSwitch DVI Fiber Optic KVM Extenders
The Black Box ServSwitch DVI Fiber Optic KVM Extenders bring versatile KVM extension capability to your DVI-D video applications. These DVI Fiber Optic KVM Extenders enable you to send keyboard, mouse, and DVI-D video signals at up to 1312.3 feet (400 m) over multimode fiber or at up to 6.2 miles (10 km) over single-mode fiber. You have four models to choose from.
APC Back-UPS ESAPC Back-UPS ES 8 Outlet 550VA 120V
Best Value For Home and Small Office Battery Backup Protection. Protects electronic devices and up to 2 data lines (RJ-11, fax or DSL) from power surges up to 365 Joules

BlackBox KV4161A KVM SwitchBlack Box ServSwitch Multiplatform KVM Switch
Designed to connect via inexpensive Cat 5, 5e or 6 cables and able to mix and match with various server makes, this KVM switch accommodates up to 4 remote and 1 local user simultaneously, and is well protected against unauthorized access.

Do you have any question about this product?
Let our experts and customers resolve all your doubts

Did you know that we can give you a quote for most of our products, including shipping?

You can also call us toll free 866.222.0030

What can make this page better?

We do everything we can think of to provide you with the product specs, images and ordering info you need, but if we're missing something or still have room to improve, please let us know. Your comments, suggestions and questions are the best tools we have for serving you better!