
Before using this unit, carefully read the sections entitled: “USING THE UNIT SAFELY”
(SI-AES4 Owner’s Manual p. 2) and “IMPORTANT NOTES” (SI-AES4 Owner’s Manual p. 2).
These sections provide important information concerning the proper operation of the unit.
Additionally, in order to feel assured that you have gained a good grasp of every feature
provided by your new unit, the SI-AES4 Owner’s Manual and the S-4000S Owner’s Manual
should be read in their entirety. This manual should be saved and kept on hand as a
convenient reference.
Before You Use the Unit ..........................................................3
For the Purchaser — Please Read .............................................................................3
Checking the Included Items.....................................................................................3
How to Use the Ferrite Core......................................................................................3
Main Features ..............................................................................................................3
Names of Things and What They Do......................................4
AES/EBU input jacks A and B ..................................................................................4
LOCK indicators A and B ..........................................................................................4
Sampling frequency indicators A and B ..................................................................4
Applications..............................................................................5
Specifications...........................................................................6
Throughout the SI-AES4 Owner’s manual, you’ll occasionally come to areas that
provide extra information related to the feature or operation described in the main
text. The symbols in the right-hand margin define the nature of this extra
information.
4-CHANNEL DIGITAL INPUT MODULE
SI-AES4
Owner’s Manual
Contents
Memo and Hint Icons
A note is something that adds information about the topic at hand.
A tip offers suggestions for using the feature being discussed.
Copyright © 2006 ROLAND CORPORATION
ll rights reserved. No part of this publication may be reproduced in any form without the written permission of
ROLAND CORPORATION.

USING THE UNIT SAFELY
Used for instructions intended to alert
the user to the risk of death or severe
injury should the unit be used
improperly.
Used for instructions intended to alert
the user to the risk of injury or material
damage should the unit be used
improperly.
* Material damage refers to damage or
other adverse effects caused with
respect to the home and all its
furnishings, as well to domestic
animals or pets.
002a
• Do not open or perform any internal modifications on the unit.
..........................................................................................................
005
• The S-4000S should be used only with a rack that
is recommended by Roland.
..........................................................................................................
006
• When using the S-4000S unit with a rack recommended by Roland, the rack must be carefully
placed so it is level and sure to remain stable. If
not using a rack, you still need to make sure that any
location you choose for placing the unit provides a level
surface that will properly support the unit, and keep it
from wobbling.
..........................................................................................................
The symbol alerts the user to important instructions
or warnings.The specific meaning of the symbol is
determined by the design contained within the
triangle. In the case of the symbol at left, it is used for
general cautions, warnings, or alerts to danger.
The symbol alerts the user to items that must never
be carried out (are forbidden). The specific thing that
must not be done is indicated by the design contained
within the circle. In the case of the symbol at left, it
means that the unit must never be disassembled.
The ● symbol alerts the user to things that must be
carried out. The specific thing that must be done is
indicated by the design contained within the circle. In
the case of the symbol at left, it means that the powercord plug must be unplugged from the outlet.
118b
• Keep the included ferrite cores in a safe place out
of children’s reach, so there is no chance of them
being swallowed accidentally.
..........................................................................................................
IMPORTANT NOTES
Additional Precautions
559b
• When you need to transport the unit, pack it in shockabsorbent material. Transporting the unit without doing
so can cause it to become scratched or damaged, and
could lead to malfunction.
* MMP (Moore Microprocessor Portfolio) refers to a patent portfolio concerned with microprocessor architecture, which was
developed by Technology Properties Limited (TPL). Roland has licensed this technology from the TPL Group.
2
Copyright
853
• Do not use this unit for purposes that could infringe on a
copyright held by a third party. We assume no responsibility whatsoever with regard to any infringements of
third-party copyrights arising through your use of this
unit.

Before You Use the Unit
For the Purchaser — Please Read
The SI-AES4 is not user installable. Installation must be carried out by an authorized
Roland Service Technician.
Checking the Included Items
• SI-AES4
This is a 4-channel digital input module for the S-4000S. It provides for the input of
digital audio that complies with the AES/EBU standard.
• Ferrite cores(2)
How to Use the Ferrite Core
1.
Spread open the tabs and open the ferrite core.
2.
Attach the ferrite core near the XLR connector on the AES/EBU cable.
3.
Close the ferrite core by squeezing together the two halves until you hear
them click into place.
4.
Connect the plug that has the ferrite core attached near it to the AES/EBU
connector on the SI-AES4.
Main Features
• 4-channel input of AES/EBU-compliant digital audio
• Built-in sample rate converter providing high sound quality for all inputs
• Support for a variety of sampling frequencies, up to a maximum of 96 kHz
3