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4x1 Computer Graphics Video & Stereo Audio Standby Switcher


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The VP-411DS is a high-performance switcher for computer graphics video signals, with resolutions up to and exceeding UXGA, and unbalanced stereo audio signals. When configured as a standby switcher, the switching priority can be set for each of the four inputs.

Features & Benefits

  • High Bandwidth - 300MHz (-3dB).
  • Looping Input - Input 1.
  • Automatic Standby Switching - Priority can be set for each of the 4 inputs via DIP-switches.
  • Primary Input - Selectable.
  • Kr-isp Advanced Sync Processing - Ensures compatibility with a wide range of computers (even if the sync level is too low) by restoring the sync signal waveform. Kr-isp advanced sync processing can be enabled or disabled.
  • Flexible Control Options - Front panel, RS-232 (K-Routerª Windows-based Kramer software is included), contact closure, & IR remote (included).
  • Output Disconnect.
  • Front Panel Lockout.
Product Use Diagram

Product Specifications

Inputs4 UXGA with loop on IN 1 on 15-pin HD connectors; 4 unbalanced stereo audio with loop on IN 1 on 3.5mm mini jacks
Outputs1 UXGA on a 15-pin HD connector; 1 unbalanced stereo audio on a 3.5mm mini jack
Max Output LevelVideo: 1.8Vpp; Audio: 7.2Vpp
BandwidthVideo: 300MHz; Audio: >40kHz
Diff. Gain0.03%
Diff. Phase0.06Deg
S/N RatioVideo: 73dB @5MHz; Audio: 93dB
CrosstalkVideo: -50dB @5MHz; Audio: -72dB @1kHz
ControlsInput selector; PANEL LOCK and OFF pushbuttons; IR remote control reception window; Connector for extended IR reception; RS-232 connector; Contact closure terminal block for external wire switching; Input priority selector DIP-switches; Normal/Kr-isp and program/normal mode selectors via slide switches on the underside
CouplingVideo: DC; Audio: DC
Audio THD + Noise0.004% @ 1kHz
Audio 2nd Harmonic0.002% @ 1kHz
Power Consumption12V DC; 230mA
Operating Temperature32° to 104°F (0° to +40°C)
Storage Temperature-40° to 158°F (-40° to +70°C)
Humidity10 - 90% Non-condensing
Product Dimensions W, D, H8.45" x 6.42" x 1.72" (21.46cm x 16.30cm x 4.36cm)
Product Weight1.5 lbs. (0.7 kg)