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3-in/8-out
HDMI Switcher/
Distributor
Operation Manual
CHDMI38C
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Table of Contents
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2
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1. Introduction ……………………..……………………...…........….…….
2. Features …………………………………………......……........…...……
3. Operation Controls and Functions ……………...……..............……
3.1 Front Panel ..............................................................................
3.2 Rear Panel .…………………………………..…….......…...….…
4. Remote Control .......................…......……………..........…..…....…...
5. Specications ………………………………...……..........………....….
6. CHDMI38C RS-232 Remote Control Protocol ................................
7. Connection and Installation ….………………….........…..…..…......
8. Acronyms …......................................................................................
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1. Introduction
CHDMI38C
is a high performance 3-in 8-out HDMI Switcher with remote control. It allows you to connect up to 3 HDMI sources and 8 HDMI displays. The
eight HDMI outputs are identical and each supports up to 1080p. Simply
pressing one button you can select your desired HDMI source for display on
eight HDMI TV simultaneously.
2. Features
Built-in EDID simulator and HDCP keyset allows each output to work
independently in connecting to a HDMI display.
Splits 3 HDMI sources up to 8 outputs without signal loss.
Compliant with HDMI 1.2, HDCP 1.1 and DVI 1.0 specifications.
Supports a wide range of PC and HDTV resolutions from VGA to UXGA
and 480p to 1080p. Maximum resolution bandwidth is165MHz.
Provides multi-channel I2S digital audio output, with sampling rate up
to 192KHz.
Supports both compressed and uncompressed multi-channel audio.
Remote control.
Full HD 1080p supported.
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3. Operation Controls and Functions
3.1 Front Panel
3 2
INPUT
1 POWER
3x8 SPLITTER
① ② ③
①
Remote control sensor.
②
Input select/Indicators: Press the " INPUT" button repeatedly to switch to
your desired input source and the LED will illuminate to indicate which
input source is selected.
③
Power LED indicator: The LED will illuminate when the power is connected.
3.2 Rear Panel
RS-232
HDMI IN1HDMI IN2HDMI IN
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HDMI OUT1HDMI OUT2HDMI OUT3HDMI OUT4HDMI OUT5HDMI OUT6HDMI OUT7HDMI OUT8DC 5V
① ② ③ ④
①
RS-232 Communication Port: Connect to the COM1 or COM2 port of your
PC using for remote control.
②
HDMI input 1/2/3: Connect to the HDMI or DVI output of your source
equipments such as DVD player or set-top-box.
③
HDMI outputs 1 to 8: Connect each of these output ports to the HDMI
input of a HDMI display.
④
Power: Plug the 5V DC power supply into the CHDMI38C and connect
the adaptor to AC wall outlet.
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4. Remote Control
①
INPUT Select for HDMI IN: Press 1, 2 or 3 to select the
desired input source.
②
Power and 4 ~ 0 are void buttons (no function).
5. Specications
Frequency bandwidth 1.65Gbps (single link) Input/
Output 3-in/8-out HDMI female ports
5VDC power supply
Operating temperature range 0˚C ~ 40˚C
Dimensions (mm) 436(W) x 116(D) x 44(H)
Weight(g) 1600
6. CHDMI38C RS-232 Remote Control Protocol
* The connection between CHDMI-38C and remote controller with RS-232
modem cable.
Pins definition of modem cable
CHDMI-38C Remote Controller
PIN Definition PIN Definition
1 NC 1 NC
2 T xD 2 R xD
3 R x D 3 T x D
4 NC 4 NC
5 GND 5 GND
6 NC 6 NC
7 NC 7 NC
8 NC 8 NC
9 NC 9 NC
* RS-232 transmission format:
Baud Rate : 19200 bps Data Bit : 8 Bits
Parity: None
Stop Bit: 1 bit
①
②
②
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Command Code Comment
W 01 01 PORT 1 ON
W 01 02 PORT 2 ON
W 01 03 PORT 3 ON
7. Connection and Installation
HDMI
to
DVI
Cable
DVI to
HDMI
Cable
HDMI
Cable
HDMI
Cable
HDMI display
LCD TV
HDTV LCD TV
HDTV
PC Monitor HDMI display PC Monitor
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
to
DVI
Cable
HDMI
Cable
HDMI
Cable
HDMI
Cable
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
HDMI
Cable
HDMI
Cable
HDMI
Cable
HDMI
HDMI
HDMI
HDMI
HDMI
DVD STB
PC
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