Key Digital KD-PS42 Quick Setup Manual
KD-PS42
4K/18G Presentation Switcher with
4 Inputs (HDBT, 3xHDMI), 2 Mirrored Outputs
(HDBT, HDMI), Audio De-Embed, IR, RS-232,
IP, CEC Manager™. Includes Rx.
Quick Setup Guide
The Experts in Digital Video Technology and Solutions
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4
Table of Contents
CONNECT ..................................................................... 2
CONFIGURE ................................................................... 4
CONTROL ..................................................................... 6
Always follow the instructions provided in this Quick Setup Guide.
Default IP Address: 192.168.1.239
Please visit www.keydigital.com for the latest product
documentation and software downloads. Product features and
specifications are subject to change without notice.
KD-PS42
Key Digital® KD-PS42 is a 4K/18G KD-App Ready Presentation Switcher kit with CEC Manager™, auto
switching, and audio de-embedding creating a user-friendly, simplified presentation system. KDPS42 features three HDMI and one HDBaseT input which integrates natively with HDMI + Display Port
wall plate, KD-X2x1WDTx (sold separately). Mirrored HDMI and HDBaseT outputs enable audience
+ presenter views and the HDBaseT output marries in with the included KD-X40MRx for integrating
monitors or projectors up to 40m / 131ft away when the selected source is outputting 4K/UHD (up to
70m / 230ft at 1080p). Designed for professional audio video installations in conference rooms, board
rooms, classrooms, lecture halls, auditoriums, and more, KD-PS42 enables multiple video sources to
be displayed on up to two connected displays while analog (balanced/unbalanced) and digital (PCM)
audio de-embed ports feed audio of the selected source into an amplifier, DSP, or sound bar. Integrating
KD-PS42 with KD-AMP220 will enable an app-ready all-in-one solution for control of video switching
with sound and speech enforcement. Key Digital CEC Manager
of the connected displays for a simplistic all-in-one integration system. KD-PS42
presentation switcher supports all SD, HD, VESA and Ultra HD/4K video standards with
HDR header information included in a variety of 4K EDID handshakes. In addition to IR,
RS-232, and TCP/IP control, KD-PS42 can also be controlled via trigger voltage and features statusmonitoring LEDs.
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enables basic controls
Key Features
› Presentation Switcher Kit: Includes KD-PS42 and KD-X40MRx. Add KD-X2x1WDTx wall plate
HDBaseT transmitter for plug-in on walls, floor and table boxes
› Presentation Switching: 3 HDMI, 1 HDBaseT source selection by push button, IP, RS-232, IR, auto
switching, or trigger control.
› Ultra HD/4K: Supports up to 4096x2160 or 3840x2160 24/25/30/60hz at 4:4:4 (signals up to
18Gbps bandwidth)
› Auto-Sensing: Automatic selection of newly detected source and switching from newly disconnected
source when enabled
› CEC Manager
additional control wiring. Selection of desired CEC command recipient.
› KD-App Ready: Network scan & detect populates pre-built GUI including connected display/projector
controls via CEC Manager™
› Audio De-embedding: Audio of the selected source is de-embedded at the unit’s analog L/R
balanced/unbalanced and PCM digital audio connectors.
› KD-AMP220 Control Mode: Command forward to KD-Amp220 for an all-in-one user-friendly control
UI of video switching, audio and speech enforcement
› HDCP Licensing: Fully licensed and compatible with HDCP 2.2
› HDR10 and Dolby Vision: More life-like images through a greater range of luminance levels
› Power Over HDBaseT:
› Installation: Half-rack width with rack and under-table mounting ears included
› Signal Extension: For resolution and cable quality
» 4K/UHD (18G): Up to 40m / 131ft
» 1080p: Up to 70m / 230ft
› Deep Color Support: Up to UHD/4K 30Hz 4:4:4/12 bits or 60Hz 4:4:4/8 bit
› Full Buffer System
source & display, EDID Control handshake, and Hot Plug Detection Voltage
› EDID Management: Internal library with 15 internal EDID handshakes including 4K with HDR in
addition to native EDID data copied from the Rx display/device
› RS-232: Bi-Directional control to/from Tx and Rx/Presentation Switch unit
› Unit Control Mode: Provides TCP/IP and RS-232 control and status of/from Tx unit
› EDID Management: Internal library with 15 internal EDID handshakes including 4K with HDR in
addition to native EDID data copied from the output/display 1
› Lossless Compressed Digital Audio: Dolby
and Dolby
› Control System Support: Key Digital
all IR, RS-232, and TCP/IP supported control systems via open API.
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: Power, volume, and muting controls of the connected display/projector without any
Rx unit (included) and wall plate Tx unit (sold separately) powered by KD-PS42
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: Manages TMDS re-clocking / signal re-generation, HDCP authentication to
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Atmos
TrueHD, Dolby® Digital Plus, DTS-HD Master Audio™,
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App ready. Compass Control® Pro ready. Fully controllable by
1
2
CONNECT:
Test for proper operation of the unit and cables in your system before permanently
securing the unit for final installation. Ensure that you leave enough ventilation
space to provide sufficient airflow and cooling.
Begin with the KD-PS42 unit, KD-X40MRx, Key Digital wall-plate transmitter (sold separately),
all input/output devices, and audio system powered off.
1. Connect HDMI sources to the input ports of KD-PS42 unit
2. (Optional) Connect HDMI and Display Port / VGA sources to wall-plate transmitter (sold separately)
3. Connect HDMI displays / projectors to KD-PS42’s HDMI output and the HDMI output port of KD-
X40MRx unit
4. Connect CAT wire from KD-PS42’s HDBaseT outputs to KD-X40MRx HDBaseT input and (optional)
from KD-PS42’s HDBaseT input to wall-plate transmitter (sold separately)
5. Connect analog or digital audio to audio system
6. If utilizing KD-AMP220 integration control mode, connect RS-232 wiring from KD-PS42 Tx and
Ground into KD-AMP220 Rx and Ground. See Operation Manual for more info.
7. For unit control, connect control system and/or PC to TCP/IP, RS-232, or place IR emitter
over IR sensor
8. Connected monitors are controlled by CEC Manager
Alternately, connect IR/RS-232 wiring from control system into pass-thru ports of
KD-PS42 and IR/RS-232 ports of the KD-X40MRx
9. Screw-in power supply to the KD-PS42 unit, and then connect power to outlets.
10. Power on HDMI sources and displays
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on the HDMI connection.
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