The CS428 is a high-performance matrix type KVM switch with built-in DB-25 connectors. It allows users to control 8 computers separately or shared. Using the built-in DB-25 connector significantly reduces the number of cables used.

Main features:
- Keyboard emulation: PS/2 and PC/AT
- Mouse emulation: PS/2 and serial RS-232
- PS/2 - RS-232 mouse protocol conversion
- Switching of audio signals
- OSD - On Screen Display
- VGA resolution: 1920 x 1440 pixels, DDC2B
- Dimensions: 483 x 150 x 89mm (19" 2U), weight: 4200 g
- Number of PC connections: 8 directly, 64 in cascade
- Connecting console cables:

Console 1 and console 2 connection:
- Keyboard: MiniDIN6F
- Mouse: PS/2 MiniDIN6F
- Audio: 3.5 jack plugs for microphones and speakers
- VGA: HD15F

Console 3 and console 4 connection:
- 2 x DB25F special console cables

Contents of the package:
- 1x Multi-console 8-Port PS/2 KVM Switch
- 2x Console cable
- 1x Power Adapter
- 1x Rack mounting kit
- 1x User manual