SmartView 1x4 KVM Switch, VGA, PS2, RS232



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The Adder SmartView SVMS4-S Serial Switch allows a single keyboard, mouse and a single video monitor to control four separate computers.

Adder SmartView SVMS4-S Features:

  • Video performance
    High quality video with DDC support and resolutions up to 1920 by 1440 pixels.
  • Serial line switching
    Completely transparent switching for all RS232 serial lines (in unison with keyboard, video and mouse channels) for touchscreen KVM control.
  • Cascade connections
    The SmartView Serial units can be linked in a cascade formation to allow up to 16 computer systems to be controlled.
  • Increased switching capabilities
    Where more video monitors are required, you can synchronize two units together to support twice the number of video and serial channels.
  • Choice of switching methods
    Switching between the systems can be achieved by:
    - The front panel button
    - Keyboard hotkey combinations
    - Mouse button combinations
    - External serial commands via the Options/Flash port
  • Remote switching options
    - RC1, which provides a low profile, single button switch with a 7-segment LED display
    - AdderView RC4 remote unit, which has a button and LED display per connected computer

Rear view of the Adder SVMS4-DS
Adder SmartView SVMS4-DS (dual screen version) Back View
(not an image of the actual SVMS4-S)

The Adder SVMS4-S is a single screen unit and does not have the additional VGA and serial ports.


Adder SmartView SVMS4-S Specifications:




105 mm/4.3 in.


260 mm/10.2 in.


155 mm/6.1 in.



Operating Temperature

0°C to 40°C / 32°F to 104°F



Power Supply

Interface powered from attached keyboard. Optional external power socket provided


100-240VAC 0.5A 50-60Hz


5VDC 2.5A

Hardware Compatibility

Compatible with desktop and laptop PCs, RS6000, SGI and DEC Alphas

Video Resolution

High bandwidth video supported at resolutions up to 1920 x 1440. Supports VGA / SVGA / XGA / XGA-2 / SXGA and UXGA video and VESA DDC1 and DDC2 signaling. Screen saver feature.

OS compatibility

All known software and operating systems including Windows (all), DOS, Linux, Unix, BSD, Sun OS, Solaris, Mac OS, NetWare etc.

Local console

Video: 1 x HDD15
Keyboard/Mouse: MiniDin6
Serial: 1 x DB9 male
Options/Flash upgrade port: DB15 female


Video: 1 per port HDD15,
Keyboard/Mouse: MiniDin6
Serial: 1 per port DB9 female



Approved Agency

Complies with European EMC directive 89/336/EEC. CE marked. FCC class A compliant

Question: Looking to switch 3 pc's with 2 VGA, PS2 keyboard/mouse and rs232 touchscreen as a mouse input. Need remote switching via rs232 port. And need all 9 wires of rs232 to switch. Do you have a manual for your SVMS4-S that would show how to do this?
Answer: Thank you for your inquiry. The manual for this unit can be found here:

Adder also has a dual-head version for a two monitor setup: