Aten 2 Port VGA USB Computer Sharing Device


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The Aten CS-231 is a 2 Port USB micro-processor controlled computer sharing device. It is a multi-user, single-tasking device that enables two users to share the use of a single computer - each from their own consoles (monitor, keyboard, and mouse). The CS-231 supports USB consoles and both PS/2 and USB computers.

Aten CS-231 Features:

  • Single computer shared by two USB consoles
  • Supports USB and PS/2 computers
  • Multiplatform Support (Windows, Mac, Unix and Linux)
  • Manual or Auto console selection
  • Control the system with Hotkeys
  • Firmware upgradeable
  • Private Mode for a privileged user
  • Screen Saver function
  • Choose from four Timeout settings
  • Supports VGA, SVGA, and MultiSync monitors
  • No software required
  • Device Status displayed in OSD message
  • RoHS Compliant

Aten CS-231 Requirements:

  • Microsoft¨ Windows¨ 98SE, ME, 2000, XP, 2003 or later
  • Red Hat Linux 7.1, 7.2, 7.3, 8.0 or later
  • Mandriva Linux 9.0 or later
  • SUSE 8.2 or later
  • FreeBSD 4.2, 4.3, 4.5 or later
  • Netware 6.0 or later
  • Netware 5.0 (PS/2 computers only)
  • Mac OS 8.6, 9.0, 9.1, X, 10.1, 10.2, 10.3, 10.4 or later

Aten USB Computer Sharing Device Application Diagram
Aten USB Computer Sharing Device Application Diagram

Package Contents:

  • 1 x CS231 Computer Sharing Device
  • 1 x USB KVM Cable
  • 1 x Power Adapter
  • 1 x Firmware Upgrade Cable
  • 1 DIP Switch Sticker
  • 1 x User Manual
  • 1 x Quick Start Guide

Aten CS-231 Specifications:

Height 3.43 in. (8.7 cm.)
Width 2.17 in. (5.5 cm.)
Depth 5.63 in. (14.3 cm.)
Weight 1.23 lbs. (0.56 kg.)
Operating Temperature 0 degree C ~ +50 degree C
Storage Temperature -20 degree C ~ +60 degree C
Humidity 0 ~ 80% RH, NC
Power Consumption DC 5.3V; 2.2W ( max.)
Power Connector 1 x DC Jack ( black)
Case Metal
Console Connectors  
Mouse 2 x USB Type A Female (White)
Keyboard 2 x USB Type A Female (White)
Monitor 2 x VGA (HDDB-15) Female
Flash ROM Upgrade 1 x RJ-11 female (Black)
CPU Connectors  
Keyboard, Mouse, and Monitor 1 x SPHD-15 Female ( green)
Selected 2 (Green)
Mode 1 (Orange)
Video Resolution 1920 x 1440 @ 60 Hz, DDC2B
Timeout selection 5, 60, 125, 255 Seconds
Function Keys Auto/Manual selection
Number of Users 2
Shared Functions Keyboard/Video/Mouse
Reset 1 x Semi-recessed Pushbutton
DIP 1 x 4 pin
Console Selection Push-button; Hotkey
UPC / EAN Barcode icon
UPC 672792200069
EAN 0672792200069
Question: Is this considered a reverse KVM?
Answer: Yes, you could consider the CS231 a reverse KVM. It is important to note that it does not mean 2 users can use the computer simultaneously for different tasks.

Question: do you have another similar for charateristic with this?
Answer: Thank you for your inquiry. Please contact you KVM Switches Online sales engineer, toll free, at 1-877-586-6654 to discuss your project in greater detail.

Question: Two run two monitors, two keyboards and two optical mouse units. What cables do I need to buy?
Answer: Thank you for your inquiry,

Your KVM cable choice would depend on wether you have USB or PS2 Keyboards & Mice, and how far away the user stations are from the switch:

2L-5201U - 4ft
2L5202U - 6ft
2L-5203U - 10ft
2L5205U - 16ft

2L5201P - 3ft
2L5202P - 6ft
2L5203P - 10ft
2L-5206P - 20ft

You can typically find all the manufacturer specified compatible accessories under the product page: CS231