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TABLE OF CONTENTS
1. Introduction........................................................................................ 1
2. Features.............................................................................................. 1
3. Package Contents............................................................................ 1
4. Operation Controls and Functions.................................................. 2
4.1 Front Panel.................................................................................. 2
4.2 Rear Panel.................................................................................. 2
4.3 Remote Control.......................................................................... 3
4.4 RS-232 Protocol........................................................................... 3
4.4.1 Pin Definition......................................................................... 3
4.4.2 Commands.......................................................................... 4
5. Specifications.................................................................................... 4
5.1 General Specification................................................................. 4
5.2 Support Resolution....................................................................... 4
6. Connection and Installation............................................................. 5
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1. Introduction
CHMX-24 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 two HDMI sources can be directed to any one of the four outputs,
so four displays can show 4 identical or 2 pairs of different sources at the same time.
CHMX-24 provides a maximum of 8 possible connection scenarios between
sources and displays. When HDMI signal progresses through CHMX-24, 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-24 HDMI Matrix
2. 5VDC Power Supply Adaptor
3. Operation Manual
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4. Operation Controls and Functions
4.1 Front Panel
Power
INPUT
1 2
INPUT
1 2
INPUT
1 2
INPUT
1 2
CHMX-24
2X4 HD Matrix
A B C D
HDMI OUT
1
2 3
4
HDMI OUT
5 6
1. Remote control sensor.
2. Power Switch & LED Indicator:
The LED will illuminate when the power is turned on.
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.
5. Input Select/Indicators (C):
Press the "HDMI OUT C" 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 C display.
6. Input Select/Indicators (D):
Press the "HDMI OUT D" 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 D display.
4.2 Rear Panel
2
IR IN
RS-232
INPUT
1 2
OUTPUT
A
B
OUTPUT
C
D
DC 5V
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 outputs C and D:
Connect each of these output ports to the HDMI input of an HDMI display.
6. Power:
Plug the 5VDC power supply into the unit and connect the adaptor to AC wall outlet.
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4.3 Remote Control
1. Power:
Press the button to turn on/off the unit.
2. Input Select for HDMI OUT A:
Press 1 or 2 to select the desired input source for HDMI OUT A.
3. Input Select for HDMI OUT B:
Press 1 or 2 to select the desired input source for HDMI OUT B.
4. Input Select for HDMI OUT C:
Press 1 or 2 to select the desired input source
for HDMI OUT C.
5. Input Select for HDMI OUT D:
Press 1 or 2 to select the desired input source
for HDMI OUT D.
6. Void buttons (No function.)
2
3
4
5
6
4.4 RS-232 Protocol
4.4.1 Pin Definition
OUTPUT
A
OUTPUT
B
OUTPUT
C
OUTPUT
D
1
POWER
CR-33
CHMX-24
PIN
1
2
3
4
5
6
7
8
9
Definition
NC
Tx
Rx
NC
GND
NC
NC
NC
NC
*RS-232 transmission format:
Baud Rate: 9600 bps
Data bit: 8 Bits
Parity: None
Stop Bit: 1 bit
Remote Control Console
PIN
1
2
3
4
5
6
7
8
9
Definition
NC
Rx
Tx
NC
GND
NC
NC
NC
NC
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4.4.2 Commands
COMMAND
P0
P1
A1
A2
B1
B2
C1
C2
D1
D2
ACTION
Power Off (standby)
Power On
Output A select Input1
Output A select Input2
Output B select Input1
Output B select Input2
Output C select Input1
Output C select Input2
Output D select Input1
Output D select Input2
5. Specifications
5.1 General Specification
* Frequency bandwidth: 1.65Gbps (single link)
* Input/Output: 2-in to 4-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
TV
OUTPUT
PC
TV
VGA, SVGA, XGA, SXGA, UXGA
480i, 480p, 576i, 576p, 720p, 1080i, 1080p
VGA, SVGA, XGA, SXGA, UXGA
480i, 480p, 576i, 576p, 720p, 1080i, 1080p
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