- Superior video quality: Up to 1920 x 1440; DDC2B.
- Computer selection via On Screen Display (OSD)
- 4 PS/2 console control 8 computers; Up to four users can operate up to 64 computers (via cascade to CS88A and CS9138) at the same time
- Two-level (Administrator/User) password authorization for enhanced security protection.


CS428 is a high-efficiency KVM switch which provides the most efficient solution. Its console with 2 built-in PS/2 and 2 DB-25 allows users to control 8 servers either alone or by sharing. The built-in DB-25 of CS428 can reduce cable derangements in component rooms and can enhance signal quality and operation efficiency.
Package Contents
- "1x Multi-console 8-Port PS/2 KVM Switch
- 2x Console Cable for Console (3,4)
- 1x Power Adapter
- 1x Rack Mount Kit
- 1x User Instructions"
- 4 PS/2 console control 8 computers.
- Up to four users can operate up to 64 computers (via cascade to CS88A and CS9138*) at the same time.
- Each console has its own access control
- Two-level (Administrator/User) password authorization for enhanced security protection.
- Administrator can access any computer completely independently of the other users.
- Each user has his own access control list
- Computer selection via On Screen Display (OSD)
- Supports Microsoft IntelliMouse, Logitech MouseMan, FirstMouse, IBM Scrollpoint Mouse.
- OSD automatically adjusts to resolution changes.
- Auto Scan function to monitor computer operation.
- With speaker and microphone support.
- Superior video quality: Up to 1920 x 1440; DDC2B.
- Special design for easy stacking.
- Rack mountable in 19" (1U) system rack.
* CS88A and CS9138 do not support audio features of audio enabled KVM switches. - Multiplatform support: Windows 2000/XP/Vista, Linux and FreeBSD.
- For more information about KVMs which can connect to CS428, see Compatible KVM Table.

Multi-console 8-Port PS/2 KVM Switch
Computer Connections | |
Direct | 8 |
Maximum | 64 (via Cascade to CS9138) |
Port Selection | OSD |
Console 1 & 2 connectors | 4 x 6-pin Mini-DIN Female 1 x HDB-15 Female 4 x Mini Stereo Jack Female |
Console 3 & 4 connectors | 2 x 25 pin D-Type female |
Computer port connectors | 8 x 25 pin D-Type female |
LEDs | |
Online | 8 (Orange) |
Selected | 8 (Green) |
Power | 1 (Blue) |
Video | 1920 x 1440; DDC2B |
Scan Interval | 1-255 Seconds |
Emulation | |
Keyboard | PS/2 & PC/AT |
Mouse | PS/2 & Serial |
Power Consumption | DC9V, 6.3W |
Environmental | |
Operating Temperature | 5-40˚C |
Storage Temperature | -20-60˚C |
Humidity | 0-80% RH, Non-condensing |
Physical Properties | |
Housing | Metal |
Weight | 4.20 kg ( 9.25 lb ) |
Dimensions (L x W x H) | 43.72 x 25.90 x 4.40 cm (17.21 x 10.2 x 1.73 in.) |
Note | For some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format. |
Quick Start Guides
cs228_428_rack_kvm_switch_qsg.pdf (6.91 MB)CAD Drawing
CS428-ASM-V02_WEB.pdf (49.3 KB)CS428
CS428
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