Video Products Computer Hardware SM 4X2 HDMI LC User Manual

HDMI 4x2  
Matrix  
Operation Manual  
CHMX-42  
 
1. Introduction  
CHMX-42 is a high performance HDMI Matrix with remote control. It  
offers you maximum convenience in HDMI signal distribution when you have  
multiple HDMI sources and displays to connect together. Each of the four HDMI  
sources can be directed to any one of the two outputs, so two displays can  
show 2 identical or 2 different sources at the same time. CHMX-42 provides a  
maximum of 8 possible connection scenarios between sources and displays.  
When HDMI signal progresses through CHMX-42, it is re-timed, level  
compensated, phase error corrected, and data jitter eliminated, so the output  
is a regenerated brand new HDMI signal that can run for another 25 meters and  
can be cascaded.  
2. Features  
1. HDMI 1.2, HDCP 1.1 and DVI 1.0 compliant.  
2. HDMI input is compensated, clock / phase adjusted, and jitter eliminated so the  
output is a well tuned standard HDMI signal.  
3. Input source LED indicators on each output select.  
4. Ideal for home theater integration, conference room and retail stores.  
5. Compatible with all HDMI sources and displays.  
6. Supports high resolution input/output:  
PC: VGA, SVGA, XGA, SXGA and UXGA (1600X1200) &  
HDTV: 480i, 576i, 480p, 576p, 1080i, and 1080p  
7. RS-232 control.  
8. IR remote control.  
3. Package Contents  
1. CHMX-42 HDMI Matrix  
2. 5VDC Power Supply Adaptor  
3. Operation Manual  
4. Operation Controls and Functions  
4.1 Front Panel  
INPUT  
INPUT  
POWER  
1
2
3
4
1
2
3
4
HDMI OUT A  
HDMI OUT B  
CHMX-42  
4X2 HD Matrix  
1
2
3
4
1. Remote control sensor.  
2. Power Switch & LED Indicator:  
The LED will illuminate when the power is turned on.  
1
 
3. Input Select/Indicators (A):  
Press the "HDMI OUT A" button repeatedly to switch to your desired source,  
and the LED will illuminate to indicate which input source is being selected,  
and routed to HDMI A display.  
4. Input Select/Indicators (B):  
Press the "HDMI OUT B" button repeatedly to switch to your desired source,  
and the LED will illuminate to indicate which input source is being selected,  
and routed to HDMI B display.  
4.2 Rear Panel  
2
RS-232  
DC 5V  
INPUT  
OUTPUT  
INPUT  
1
2
A
B
3
4
IR IN  
1
3
4
5
6
1. IR IN Socket:  
Plug the IR extender sensor (optional) into the socket for IR extension  
control.  
2. RS-232 Communication Port:  
Connect to the COM port of your PC for the distant control over RS-232  
channel.  
3. HDMI inputs 1 and 2:  
Connect to the HDMI output of your source equipment such as DVD player  
or set-top-box.  
4. HDMI outputs A and B:  
Connect each of these output ports to the HDMI input of an HDMI display.  
5. HDMI inputs 3 and 4:  
Connect to the HDMI output of your source equipment such as DVD player  
or set-top-box.  
6. Power:  
Plug the 5VDC power supply into the unit and connect the adaptor to AC  
wall outlet.  
2
 
4.3 Remote Control  
1. Power:  
Press the button to turn on/off the unit.  
2. Input Select for HDMI OUT A:  
Press 1, 2, 3 or 4 to select the desired input source for  
HDMI OUT A.  
3. Input Select for HDMI OUT B:  
Press 1, 2, 3 or 4 to select the desired input source for  
HDMI OUT B.  
POWER  
1
2
3
OUTPUT  
A
OUTPUT  
B
OUTPUT  
C
OUTPUT  
4
D
CR-33  
4. Void buttons (No function).  
4.4 RS-232 Protocol  
4.4.1 Pin Definition  
Remote Control Console  
CHMX-42  
PIN  
1
Definition  
NC  
PIN  
1
Definition  
NC  
2
Tx  
2
Rx  
3
Rx  
3
Tx  
4
5
6
NC  
GND  
NC  
4
5
6
NC  
GND  
NC  
7
NC  
7
NC  
8
NC  
8
NC  
9
NC  
9
NC  
*RS-232 transmission format:  
Baud Rate: 9600 bps  
Data bit: 8 Bits  
Parity: None  
Stop Bit: 1 bit  
3
 
4.4.2 Commands  
COMMAND  
ACTION  
P0  
P1  
A1  
A2  
A3  
A4  
B1  
B2  
B3  
B4  
Power Off (standby)  
Power On  
Output A select Input1  
Output A select Input2  
Output A select Input3  
Output A select Input4  
Output B select Input1  
Output B select Input2  
Output B select Input3  
Output B select Input4  
*: command "P1" and "ST" response: P? A? B?  
5. Specifications  
5.1 General Specification  
* Frequency bandwidth: 1.65Gbps (single link)  
* Input/Output: 4-in to 2-out HDMI female ports  
* 5V DC power supply  
* Dimensions: 240 (W) x 165 (D) x 49 (H)mm  
* Weight: 1.25kgs  
5.2 Support Resolution  
INTPUT  
PC  
VGA, SVGA, XGA, SXGA, UXGA  
TV  
480i, 480p, 576i, 576p, 720p, 1080i, 1080p  
OUTPUT  
PC  
VGA, SVGA, XGA, SXGA, UXGA  
TV  
480i, 480p, 576i, 576p, 720p, 1080i, 1080p  
4
 
6. Connection and Installation  
DVD  
PS3  
Blu-ray  
STB  
LCD TV  
LCD TV  
5
 

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