
HDMI Selection Switcher
PTN electronics Limited
2
www.PTN-electronics.com
1 Introduction
WHD4 is a 4x1 HDMI selection switcher with auto-switching, it has four HDMI inputs and one
HDMI output, controllable via buttons, IR and RS232.
It is a high performance HDMI device supporting resolution up to 1920*1200@60Hz, 1080p & 2K,
and supporting EDID and DDC, with HDCP & HDTV compliant.
2 Features
Support high resolution up to 1920x1200@60Hz, 1080p & 2K
Auto-switching available by pressing button INPUT 1
Easy control via buttons, IR & RS232
Compact size aluminium chassis with mounting ears
3 Specification
Input
Output
Input
4 HDMI
Output
1 HDMI
Input Connector
HDMI 1.3
Output Connector
HDMI 1.3
Input Level
T.M.D.S. 2.9V/3.3V
Output Level
T.M.D.S. 2.9V/3.3V
Input Impedence
50Ω
Output Impedence
50Ω
General
Resolution Range
1920x1200, 1080P@60Hz & 2K
Bandwidth
340MHz (10.2Gbit/s)
Switching Speed
1ms (Max.)
Input / Output
Level
T.M.D.S. 2.9V/3.3V
Gain
0dB
Video Impedance
50Ω
EDID / DDC
Supports Extended Display Identification Data (EDID) and Display Data Channel (DDC)
data using DVI and HDMI standards, EDID and DDC signals are actively buffered.
HDCP
Compliant with High-bandwidth Digital Content Protection (HDCP) using DVI and HDMI
1.3 standards. The built-in HDCP management technology can analyze HDCP key, and
realize the handshake internally.
Control Parts
Control/Remote
Buttons
IR remote
RS-232 (9-pin D connector)
Pin Configuration
2 = TX, 3 = RX, 5 = GND
General
Temperature
-20 ~ +70
℃
Humidity
10% ~ 90%
Power Supply
100VAC ~ 240VAC, 50/60Hz
Power Consumption
1.3W
Case Dimension
W155 x H30 x D80mm
Product Weight
0.5Kg