3 Overview
The VS-21H-IR is a high quality switcher for HDMI signals that accepts
two HDMI inputs—letting you select either HDMI input using a switch
located on the panel—and routes the selected HDMI input signal to the
HDMI output.
In particular, the VS-21H-IR features:
•Support of up to 2.25Gbps bandwidth per graphic channel1
•HDMI Support – HDMI (V.1.4 with Lip Sync, HDMI
Uncompressed Audio Channels, Dolby TrueHD, DTS-HD, CEC)
•EDID PassThru that passes EDID/HDCP signals from source to
display
•12V DC power
•IR remote control capability
3.1 About HDMI
High-Definition Multimedia Interface (HDMI) is an uncompressed
all-digital2
In particular, HDMI
audio/video interface, widely supported in the entertainment and
home cinema industry. It delivers the highest high-definition image and
sound quality. Note that Kramer Electronics Limited is an HDMI Adopter
and an HDCP Licensee.
3
•Provides a simple
: 4interface between any audio/video source, such
as a set-top box, DVD player, or A/V receiver and video monitor,
such as a digital flat LCD / plasma television (DTV), over a single
lengthy5
•Supports standard, enhanced, high-definition video, and multi-
channel digital audio
cable
6
•Transmits all ATSC HDTV standards and supports 8-channel
on a single cable
1 Suitable for resolutions up to UXGA at 60Hz, and for all HD resolutions
2 Ensuring an all-digital rendering of video without the losses associated with analog interfaces and their unnecessary digital-
to-analog conversions
3 HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI
licensing LLC
4 With video and multi-channel audio combined into a single cable, the cost, complexity, and confusion of multiple cables
currently used in A/V systems is reduced
5 HDMI technology has been designed to use standard copper cable construction at up to 15m
6 HDMI supports multiple audio formats, from standard stereo to multi-channel surround-sound HDMI has the capacity to
support Dolby 5 1 audio and high-resolution audio formats