JustCom 4 Port USB/PS2 KVM Switch (Model: JC-CB104)

JustCom 4 Port USB/PS2 KVM Switch (Model: JC-CB104)
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JustCom 4 Port USB/PS2 KVM Switch (Model: JC-CB104)

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Product discontinues. call us 888-483-2418 for replace items.


  • Controls 4 computers from a single console (Keyboard/Mouse) over PS/2 and/or USB connections
  • Supports Windows, Linux, Mac OS9/OSX, Sun Micro Solaris 8 (For Sun Micro users, the external power adaptor is necessary when using the KVM Switch).
  • Emulates a keyboard on each PC to allow your computers to boot normally without a keyboard error.
  • Supports hot-swap. All devices connected to the KVM can be added or removed at any time, without shutting the unit down.
  • Supports 2 types of switching: (1) Hardware Push Button, (2) Hot-Keys on PS/2 and/or USB of keyboard.
  • Supports Auto-Scan function to alternate video between both computers in preset intervals.
  • Easy switching via Hot Keys or logically designed port selectors
  • Supports LED display for Selected and On-Line status monitoring.
  • Supports VGA resolutions up to 2048 x 1536 maximum.
  • Supports Beeper during Switching enabled.
  • Self powered through PS/2 and/or USB connection
  • Fully compliant with the USB 1.1/ 2.0 specification.


Model JC-CB104
Computers Controlled 4
Selection Method Push Button and Hot-Key (PS/2 and/or USB Keyboard)
LEDs Red for PC Selection Green for PC On-Line ready
PC Connectors Video 1 x HDB-15 male
Console Ports Keyboard 1 x 6 pin mini-DIN female
Mouse 1 x 6 pin mini-DIN female
Video 1 x HDB-15 female
Keyboard 1 x USB – A type female
Mouse 1 x USB – A type female
Auto-Scan Interval From 5 to 250 Seconds
DDC, DDC2 monitor Yes (Max. Resolution: 2048x1536)@85Hz
Hot Swappable Yes
Operating systems supported Windows 98SE /ME /2000 /XP/2003 Server, Linux
Mac OS9/OSX and Sun Micro System
Device driver No Need
Power By PS/2 and/or USB or Power Adaptor (Optional)
Cable Length 6 feet  (1.80 Meter)
Dimensions (L X W X H)  5.5 X 3 X 1.7  (All in inches)
Unit Weight 650 g
Housing material Metal
Operating Temperature 32~ 122°F  (0~ 50°C )
Humidity 0%~80%RH

Box Contents:

  • 1x 4-Port Combo Free KVM Switch .
  • 1 x User Manual
  • Four sets of custom (2 x PS/2 + USB + VGA D-15) cables.