
TABLE OF CONTENTS
SAFETY PRECAUTIONS 
Please read all instructions before attempting to unpack, 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 any 
openings or empty slots in the unit, as you may damage parts 
inside the unit.
• Do not attach the power supply cabling to building surfaces.
• Use only the supplied power supply unit (PSU). Do not use the 
PSU if it is damaged.
• Do not allow anything to rest on the power cabling or allow any 
weight to be placed upon it or any person walk on it.
• To protect the unit from overheating, do not block any vents or 
openings in the unit housing that provide ventilation and allow 
for sufficient space for air to circulate around the unit. 
DISCLAIMERS
The information in this manual has been carefully checked and 
is believed to be accurate. We assume no responsibility for any 
infringements of patents or other rights of third parties which may 
result from its use.
We assume no responsibility for any inaccuracies that may be 
contained in this document. We make no commitment to update or 
to keep current the information contained in this document.
We reserve 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 aretrieval system,or anyof itspart 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
© Copyright 1997. All Rights Reserved.
Version 1.2 MAR 2014
TRADEMARK ACKNOWLEDGMENTS
All products or service names mentioned in this document may 
be trademarks of the companies with which they are associated.
CONTENTS 
INTRODUCTION ..............................................................1
FEATURES & SPECIFICATIONS ..................................... 2
FRONT PANEL ................................................................. 3
BACK PANEL .................................................................... 6
REMOTE CONTROL ....................................................... 7 
REMOTE PROTOCOLCOMMANDS ................................ 8 
IR EXTENDER .................................................................. 9
RS-232 SERIALINTERFACE.......................................... 11
TYPICAL APPLICATION ................................................12
INTRODUCTION
Congratulations on your purchase of one of the most innovative 
4x4 AV (Composite Video/Audio) matrix switching product on 
the market Today. The SB-5544LCM is a true Matrix Routing 
Switcher for AV (Composite & Stereo Audio) signals. Full support 
any NTSC or PAL Composite Video & Stereo Audio system. It is 
a (4) individual Composite Video and Stereo Audio inputs with (4) 
individual Composite Video and Stereo Audio outputs. Because it 
is a matrix router, any input may be routed to any output; or the 
same input may be routed to all outputs or any combination. It 
completely eliminates the need to constantly move around video 
audio input and output cables. The SB-5544LCM is useful for 
Matrix signals from Composite Video and stereo audio source 
devices (such as: VCRs, Camcorders, Video Game Consoles, 
Video CDs, DVDs, Satellite Receivers, CAT5 Set Top Boxes, etc.) 
To Composite Video/Audio destination devices (such as: LCD TV, 
HDTV, Plasma displays, Projectors, etc.). Selection of inputs is 
made via the Front Panel push buttons or an Infrared Remote 
Control unit or RS-232 control by computer.
PACKAGE CONTENTS
Check that you have the following components;
• SB-5544LCM Switcher
• IR remote controller (SW-5544LCM)
• 19-inch ear mount bracket (Part # 1U-440 L)
• IR extender SB-100 receiver (300M length)
• IR extender SB-100C receiver (2M length)
• RS-232 Cable
• CD contents: Windows GUI
• RS-232 operation manual (V2.0)
• Users Guide 
• Power Supply: 12VDC, 2AUniversal Type 50/60Hz, 100~240 VAC
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