Cypress CHDMI-38C User manual

3-in/8-out
HDMI Switcher/
Distributor
Operation Manual
CHDMI-38C

Disclaimers
The information in this manual has been carefully checked and
is believed to be accurate. Cypress Technology assumes no
responsibility for any infringements of patents or other rights of third
parties which may result from its use.
Cypress Technology assumes no responsibility for any inaccuracies
that may be contained in this document. Cypress also makes
no commitment to update or to keep current the information
contained in this document.
Cypress Technology reserves the right to make improvements to this
document and/or product at any time and without notice.
Copyright Notice
No part of this document may be reproduced, transmitted,
transcribed, stored in a retrieval system, or any of its part translated
into any language or computer file, in any form or by any means
- electronic, mechanical, magnetic, optical, chemical, manual,
or otherwise - without express written permission and consent from
Cypress Technology.
© Copyright 2011 by Cypress Technology.
All Rights Reserved.
Version 1.0 January 2011
Trademark Acknowledgments
All products or service names mentioned in this document may be
trademarks of the companies with which they are associated.

Safety Precautions
Please read all instructions before attempting to unpack or install or
operate this equipment, and before connecting the power supply.
Please keep the following in mind as you unpack and install this
equipment:
 Always follow basic safety precautions to reduce the risk of
fire, electrical shock and injury to persons.
 To prevent fire or shock hazard, do not expose the unit to rain,
moisture or install this product near water.
 Never spill liquid of any kind on or into this product.
 Never push an object of any kind into this product through
module openings or empty slots, as you may damage parts.
 Do not attach the power supply cabling to building surfaces.
 Do not allow anything to rest on the power cabling or allow it to
be abused by persons walking on it.
 To protect the equipment from overheating, do not block the
slots and openings in the module housing that provide
ventilation.
Revision History
Version No Date Summary of Change
VR1 20110110 Remote Control

Table of Contents
1
1
2
2
2
3
3
3
4
5
1. Introduction ……………………..……………………...…........….…….
2. Features …………………………………………......……........…...……
3. Operation Controls and Functions ……………...……..............……
3.1 Front Panel ..............................................................................
3.2 Rear Panel .…………………………………..…….......…...….…
4. Remote Control .......................…......……………..........…..…....…...
5. Specications ………………………………...……..........………....….
6. CHDMI-38C RS-232 Remote Control Protocol ................................
7. Connection and Installation ….………………….........…..…..…......
8. Acronyms …......................................................................................

1. Introduction
Cypress CHDMI-38C 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.
1

3. Operation Controls and Functions
3.1 Front Panel
3 2
INPUT
1POWER
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 IN
1
HDMI IN
2
HDMI IN
3
HDMI OUT
1
HDMI OUT
2
HDMI OUT
3
HDMI OUT
4
HDMI OUT
5
HDMI OUT
6
HDMI OUT
7
HDMI OUT
8
DC 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 CHDMI-38C and connect
the adaptor to AC wall outlet.
2

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. Specications
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. CHDMI-38C 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
3

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
4

Acronyms A
Acronym Complete Term
5

20110114 MPM-CHDMI38C
Home page: http://www.cypress.com.tw
CYPRESS TECHNOLOGY CO., LTD.