All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means—electronic,
mechanical, photocopy, recording, or otherwise—without written permission of Aviom, Inc.
Trademarks
Aviom, A‑Net, the A‑Net icon, Pro16, Pro64, AllFrame, m‑control, and Virtual Data Cable are trademarks of Aviom, Inc.
All other trademarks are the property of their respective owners.
Read these instructions. 1.
Keep these instructions2.
Heed all warnings.3.
Follow all instructions.4.
Do not use this apparatus near water.5.
Clean only with a dry cloth.6.
Do not block any ventilation openings. Install in accordance with the manufacturer’s 7.
instructions.
Do not install near any heat sources such as radiators, heat registers, stoves, or other 8.
apparatus (including amplifiers) that produce heat.
Do not defeat the safety purpose of the polarized or grounding‑type plug. A polar‑9.
ized plug has two blades with one wider than the other. A grounding type plug has
two blades and a third grounding prong. The wide blade or third prong are provided
for your safety. If the provided plug does not fit your outlet, consult an electrician for
replacement of the obsolete outlet.
Protect the power cord from being walked on or pinched, particularly at plugs, 10.
convenience receptacles, and the point where they exit the apparatus.
Only use attachments/accessories specified by the manufacturer.11.
Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, 12.
or sold with the apparatus. When a cart is used, use caution when moving the cart/
apparatus combination to avoid injury from tip‑over.
Unplug this apparatus during lightning storms or when unused for long periods of 13.
time.
Refer all servicing to qualified personnel. Servicing is required when the apparatus 14.
has been damaged in any way, such as when the power‑supply cord or plug is
damaged, liquid has been spilled or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture, does not operate normally, or has
been dropped.
No on/off power switches are included in the system. The external power supply 15.
should be used to control power to an Aviom device. This power supply should
remain readily operable.
The solid line over dashed line symbol (16. ) indicates that the input voltage
must be a DC voltage.
The box within a box symbol ( 17. ) indicates that the external power supply is double
insulated.
ii i
WARNING!
!!
TO REDUCE THE DANGER OF ELECTRICAL SHOCK DO NOT REMOVE COVERS.
NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL ONLY
To reduce the risk of fire or electrical shock, do not expose this product to rain or other types of moisture.
To avoid the hazard of electrical shock, do not handle the power cord with wet hands.
Replace fuse with same type and rating.
Operating Temperature: 10˚C to 50˚C (50˚F to 122˚F)
Risque de choc électrique – ne pas ouvrir. Pour réduire le risque de feu ou de choc électrique, ne pas exposer cet équipement à la pluie
ou la moisissure. Pour réduire le risque de choc électrique, ne pas retirer le couvercle. Pièces non remplaçables par l’utilisateur. Confier la
réparation à une personne qualifiée. Attention – utiliser seulement un fusible de rechange de même type.
Cet appareil est conforme à la section 15 de la norme FCC. Son fonctionnement est soumis aux conditions suivantes : (1) cet équipement ne
doit pas causer des interférences nocives, et (2) cet équipement doit accepter toute interférence captée incluant les interférences pouvant
causer des opérations indésirables.
Cet appareil numérique de Classe B est conforme à la norme NMB‑003 du Canada.
CAUTION:
Using any audio system at high volume levels can cause permanent •
damage to your hearing.
Set your system volume as low as possible. •
Avoid prolonged exposure to excessive sound pressure levels.•
IMPORTANT:
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and
can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.•
Increase the separation between the equipment and receiver.•
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.•
Consult the dealer or an experienced radio/TV technician for help.•
Changes or modifications to the product not expressly approved by Aviom, Inc. could void the user’s FCC authority to operate the
equipment.
iv
Aviom, Inc. Limited Warranty
Aviom, Inc. warrants this product against defects in materials and workmanship for a period of one year from the date of the original retail
purchase.
This warranty does not apply if the equipment has been damaged due to misuse, abuse, accident, or problems with electrical power. The
warranty also does not apply if the product has been opened or modified in any way; if the product serial number has been damaged,
modified, or removed; or if the original Quality Assurance label has been damaged, modified, or removed.
If a defect is discovered, first write or call Aviom, Inc. to obtain a Return Authorization number. No service will be performed on any product
returned without prior authorization. Aviom, Inc. will, at its option, repair or replace the product at no charge to you. The product must be
returned during the warranty period, with transportation charges prepaid to Aviom, Inc., 1157 Phoenixville Pike, Suite 201, West Chester,
PA 19380. You must use the product’s original packing materials for shipment. Shipments should be insured for the value of the product.
Include your name, address, phone number, description of the problem, and copy of the original bill of sale with the shipment. The Return
Authorization number should be written on the outside of the box.
THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. YOU MAY HAVE OTHER RIGHTS, WHICH VARY FROM STATE TO STATE (OR
JURISDICTION TO JURISDICTION). AVIOM’S RESPONSIBILITY FOR MALFUNCTIONS AND DEFECTS IN HARDWARE IS LIMITED TO REPAIR
AND REPLACEMENT AS SET FORTH IN THIS LIMITED WARRANTY STATEMENT. ALL EXPRESS AND IMPLIED WARRANTIES FOR THE PRODUCT,
INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED
IN DURATION TO THE WARRANTY PERIOD SET FORTH ABOVE. NO WARRANTIES, WHETHER EXPRESS OR IMPLIED, WILL APPLY AFTER SUCH
PERIOD.
AVIOM, INC. DOES NOT ACCEPT LIABILITY BEYOND THE REMEDIES SET FORTH IN THIS LIMITED WARRANTY DOCUMENT. AVIOM, INC.’S
LIABILITY IS LIMITED TO THE REPAIR OR REPLACEMENT, AT OUR OPTION, OF ANY DEFECTIVE PRODUCT, AND SHALL IN NO EVENT INCLUDE
INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND.
SOME STATES DO NOT ALLOW EXCLUSIONS OR LIMITATION OF IMPLIED WARRANTIES OR LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL
DAMAGES, SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU.
v
Warranty Information
Please record the following information for future reference:
Your Authorized Aviom Dealer:
Name:
Address:
Phone:
Serial Numbers of Your Aviom Products:
Date of Purchase:
Your Authorized Aviom Dealer is your primary source for service and support. The information recorded above will be helpful
in communicating with your Authorized Aviom Dealer should you need to contact Aviom Customer Service. If you have any
questions concerning the use of this unit, please contact your Authorized Aviom Dealer first. For additional technical support,
or to find the name of the nearest Authorized Aviom Repair Station, check the Aviom web site at www.aviom.com.
To fulfill warranty requirements, your Aviom product should be serviced only at an authorized Aviom service center. The
Aviom serial number label must appear on the outside of the unit, or the Aviom warranty is void.
This manual and its contents are copyrighted by Aviom, Inc. All rights are reserved by Aviom, Inc. This document may not, in
whole or in part, be copied, photocopied, reproduced, translated, or reduced to any electronic medium or machine‑readable
form without prior written consent from Aviom, Inc.
The software and/or firmware contained within Aviom products is copyrighted and all rights are reserved by Aviom, Inc.
Although every effort has been made to ensure the accuracy of the text and illustrations in this manual, no guarantee is
made or implied as to the accuracy of the information contained within.
v i
!
Failure to observe the following warnings may lead to risk of serious injury from fire or electric
shock.
Before installing the 6416Y2 card, you must refer to the owner’s manual of the host device or to the
Yamaha website to verify that your host device supports this card, and to verify the number of cards that
can be installed in combination with other Yamaha or third‑party cards.
Warning
Do not attempt to disassemble or modify the card. Do not apply excessive force to board •
connectors or other board components. (Mishandling the board may lead to shock, fire
hazard, or equipment failure.)
You must turn off the power of your device before you begin installing the 6416Y2 card. •
Be sure to disconnect the •power cable from the main unit before installing this card (to
eliminate shock hazard).
!
Failure to observe the following precautions may lead to personal injury, or may result in
damage to equipment or other property.
Caution
Do not touch the board’s metallic leads (pins) when handling the card. (Pins are sharp •
and may cause hand cuts.)
The card is •electrostatic‑sensitive. Before handling the card, you should briefly touch the
main unit’s metal casing with your bare hand so as to drain off any static charge from
your body.
Thank you for purchasing the 6416Y2 A-Net® Interface Card for use with Yamaha® digital products that support
the mini‑YGDAI (MY) card format. This User Guide is designed to familiarize you with the features and functions
of your new Pro64® product. All Pro64 products are powered by A‑Net®, Aviom’s proprietary data transmission
protocol designed especially for the unique demands of live streaming audio.
In developing the Pro64 Series, we have made every effort to make the user interface as easy to use and
understand as possible. We encourage you to read the manual completely, as some of the powerful features of
your new product may not be immediately apparent.
Features
The 6416Y2 A‑Net Interface Card is a 16‑channel Pro64 A‑Net I/O expansion card for Yamaha’s digital devices
including digital mixing consoles and the Digital Mix Engine™ (DME) products. It provides a host of professional
features designed to make audio networking with Pro64 Series products easy to set up and configure in a variety
of professional audio situations.
6416Y2 A‑Net Interface Card Features:
16 input and 16 output channels •
Inputs from the console can be individually activated and sent into the Pro64 network •
The card can be programmed from the card’s circuit board DIP switches or by using •
Pro64 Network Manager software
The 6416Y2 card can be both the Pro64 network •Control Master and the network Clock
Master device
Flexible and robust clocking allows simple console‑to‑console digital connections •
Front‑panel •Stereo Link DIP switches for channel pairing for use with Pro16® Personal
Mixers
Two Pro64 A‑Net network ports •
• EtherCon® RJ45 network connectors
Support for Pro64 Virtual Data Cables™ (VDC) •
Variable •sample rates: 44.1/48kHz or 88.2/96kHz
RS‑232/422 •Virtual Data Cable™ I/O (compatible with the Yamaha remote control
protocol)
Compatible with Yamaha mini‑YGDAI (MY) expansion card format •
Multiple cards can be installed per console or DME •
• m‑control™ allows remote control of 6416m Mic Input Module or AllFrame preamp
settings directly from the Yamaha user interface
Package Contents
The contents of the 6416Y2 A‑Net Interface Card box includes:
One 6416Y2 A‑Net Interface Card •
User documentation •
P No t e Retain the protective bag that encloses the 6416Y2 card. The card is static‑sensitive. Use the bag
whenever the card will be transported without being installed in a Yamaha device.
Check the contents of the shipping box carefully before making connections and continuing with installation.
DIP Switches
Illustrations of Pro64 DIP switch components in this document will indicate the switch handles in black.
In this diagram, all DIP switches are in the down position.
The EtherCon Connector
Pro64 Series products feature locking connectors for all network I/O. The Neutrik® EtherCon® connector is a dual
RJ45‑type connector that can receive a standard Category 5e cable or a cable fitted with the special locking
EtherCon connector.
When using a standard Cat‑5e cable, plug the cable into the center of the EtherCon jack; release the cable by
pressing on the small plastic tab built into the cable connector.
The locking EtherCon connector is similar to an XLR plug, the kind commonly used on microphone cables. Insert
an EtherCon‑equipped cable into the jack until it clicks and locks in place. To remove the cable, press on the metal
release tab at the top of the panel‑mounted EtherCon jack and pull the connector outward.
Ge n e r a l In f o
The 6416Y2 has two A-Net ports, labeled A and B.
2
Cat-5e Cables
All Cat‑5e connections between A‑Net devices should use Unshielded Twisted Pair (UTP) cable. The cable can be
of the stranded or solid type; solid wire performs better over long distances, while stranded wire is more flexible
and easier to manipulate and therefore easier to work with in a live performance situation.
Cables designated as Cat‑5e in Pro64 documentation can be interchanged with any Cat‑6 (or better) cable. Cables
will be referred to simply as “Cat‑5e.”
Connectors on Cat‑5e cables used with Pro64 devices can be of the standard RJ45 variety or locking Neutrik
EtherCon type.
Cleaning
Before cleaning a Pro64 product, turn off the power switch and unplug the unit from the AC power source.
To clean the surface of the Pro64 product use a clean, soft lint‑free cloth that has been slightly moistened with
water only. For tougher dirt, use a cloth slightly dampened with water or with a mild detergent. Always be sure to
dry the surface of the unit before proceeding with use.
When cleaning your Aviom products, never spray cleaners directly onto the product surfaces. Instead, spray a small
amount of the cleaning solution onto a clean cloth first. Then use the dampened cloth to clean the product.
Never use solvents or abrasive cleaners on the finished surfaces of your Aviom products.
AC Power
The following applies to the host device that the 6416Y2 A‑Net Interface Card is installed in.
Always plug the unit into a properly grounded (earthed) outlet. Always use the AC line cord that was shipped with
the unit. Grasp the power cable by the connector and never by the cord itself when connecting and disconnecting
it from the power source.
Do not expose the Pro64 device to moisture, rain, or excessively damp environments.
AC Line Conditioning
Aviom products are digital devices and as such are sensitive to sudden spikes and drops in the AC line voltage.
Changes in the line voltage from lightning, power outages, etc., can sometimes damage electronic equipment.
To minimize the chance of damage to your equipment from sudden changes in the AC line voltage, you may want
to plug your equipment into a power source that has surge and spike protection. Power outlet strips are available
with built‑in surge protection circuits that may help protect your equipment.
Other options for protection of your equipment include the use of an AC line conditioner or a battery backup
system (sometimes referred to as an uninterruptible power supply, or UPS).
Ge n e r a l In f o
3
Compatibility
The Aviom 6416Y2 A‑Net Interface Card is compatible with the following Yamaha devices:
Device
AW24 0011
O1V96 11
O1V9 6i 11
O2R9644
DM100022√
DM2000 65√
DME24N22√
DME64N44√
M7CL-32 33√
M7CL-48 33√
L S9 -1611√
LS9-3222√
C L133√
CL333√
CL533√
MY Expansion
Slots
Maximum
6416Y2 Cards
m-control
available
o t e ‑ The Pro64 6416Y2 A‑Net Interface Card can be used with the Pro16 Series Y1 A‑Net Interface Card
P N
simultaneously as long as the Yamaha device has available MY expansion slots.
Ge n e r a l In f o
4
Fi r m W a r e No t i c e
All Pro64 devices in a network should be updated to use the most recent firmware version to ensure
trouble-free operation.
As new Pro64 devices are released, older Pro64 products need to be updated so that they recognize the features
and functions of the newer modules—something that is especially important if one of the older devices will be
used as the network’s Control Master.
Pro64 Network Manager is a free Windows software application designed for editing and managing your Pro64
devices; it also includes a built‑in utility for updating the firmware in Pro64 Series products. The current version of
Pro64 Network Manager can be downloaded from the Aviom website.
P No t e : AllFrame devices in a Pro64 network require the Pro64 Network Manager application for all I/O routing
and channel programming. There is no front panel user interface.
Pro64 Network Manager requires a direct RS‑232 (serial) connection between the computer and the Control
Master device on the Pro64 network. Normally this is accomplished by connecting a null modem DB9 cable
between the RS‑232 jack on the computer and the Pro64 device. Complete information on using RS‑232 (and
USB‑to‑RS‑232 adapters) is available on the Aviom website. Updates take just a few minutes per module.
The AllFrame F6 Modular I/O Frame includes a USB connector on its front panel for connecting a computer when
the device is used as the network’s Control Master. No DB9 RS‑232 cable is required when using the F6 as a Control
Master.
Pro64 Network Manager is designed to run on a PC under Microsoft® Windows® XP, Vista, or Windows 7. There
is no official Apple Mac support. However, Mac users can run Pro64 Network Manager using Windows running
under Apple’s Boot Camp or Parallels programs on Intel‑based Macs.
Get Pro64 Network Manager and firmware update files from the Aviom website, http://www.aviom.com.
fI r m w a r e no t I c e
5
iN s t a l l i N g t h e 6416Y2 ca r d
Before installing the 6416Y2 card in a compatible Yamaha digital device, be sure to read the DIP switch configuration
section of this User Guide (page 25).
The 6416Y2 card can be used in any MY (mini‑YGDAI) expansion slot in a Yamaha digital mixing console or
compatible digital product (see the list on page 3). The specific number of available MY expansion slots varies
with each model. Yamaha expansion slots are identified by number, starting with “Slot 1.” Within an MY expansion
slot, its audio resources are referred to as “channels,” numbered from 1 to 16 in the Yamaha interface.
P No t e The 6416Y2 card is electrostatic‑sensitive. Before handling the card, you should briefly touch the host
unit’s metal casing with your bare hand to drain off any static charge from your body.
The components of the card are indicated in the diagram below.
Multi-pin
backplane
connector
Align sides of 6416Y2
card with the guides in
the MY expansion slot.
Thumb screws
Front panel DIP switches,
connectors, and LEDs
P No t e : Some Pro64 network and audio routing settings cannot be changed once the card has been connected
to the Yamaha device since they are changed via DIP switches found on the circuit board of the card
itself.
In s t a l l I n G t h e 6416Y2 ca r d
6
To install the 6416Y2 card:
Start with the power to the Yamaha digital device 1. off.
Remove the Yamaha device’s power cord from the wall receptacle.2.
Remove the cover plate on the Yamaha 3. device’s expansion slot to expose the expansion
connections.
Discharge any built‑up static charge by touching the metal casing of the host Yamaha unit. 4.
Remove the 6416Y2 card from its protective anti‑static sleeve. 5.
Ensure that the 6416Y2 card 6. DIP switches are set properly for your application at this
time—the card can be programmed using its internal DIP switches or from the Pro64
Network Manager software.
Slide the 6416Y2 card into place, aligning the sides of the card with the support guides in 7.
the MY expansion slot.
Press the 6416Y2 card firmly in place to attach the multi‑pin connectors on the card to 8.
those on the expansion slot backplane on the Yamaha device.
Tighten the thumb screws on the 6416Y2 to secure it.9.
Power up the Yamaha digital device. 10.
Connect the 6416Y2 to a Pro64 network. 11.
Once the 6416Y2 card has been configured and is installed in the Yamaha host device, all signal routing to/from the
6416Y2 A‑Net Interface Card for processing and/or mixing is done from within the Yamaha device’s user interface.
Consult the documentation that came with your Yamaha product for more specific signal routing information.
P No t e : Always power off the Yamaha host device before removing the 6416Y2 card.
Installing Multiple 6416Y2 Cards
A Yamaha host device can support as many Pro64 A‑Net cards as it has available MY (mini‑YGDAI) expansion slots
and internal power resources. When multiple 6416Y2 A‑Net Interface Cards are installed in a Yamaha host device,
each 6416Y2 card needs to be connected via its A‑Net ports to the Pro64 network. Simply use a short Cat‑5e
jumper cable to interconnect the 6416Y2 cards.
A list of compatible Yamaha products and the number of available MY expansion slots on each appears on
page 4.
P No t e : Remote mic preamp control for Pro64 devices from the Yamaha user interface is available using
m‑control. Some Yamaha devices (including the LS9 series) require that the card sending remote control
data be installed into the console’s MY expansion slot #1.
In s t a l l I n G t h e 6416Y2 ca r d
7
ab o u t a-Ne t
Aviom’s A‑Net® is the only networking technology conceived, designed, and optimized for managing and
distributing audio using ordinary Cat‑5e cables (or fiber by adding fiber optic SFP transceivers to the AllFrame
F6 Modular I/O Frame or MH10f Merger Hub). As implemented in the Pro64® Series products, A‑Net can transmit
up to 64 channels of uncompressed 24‑bit audio with the reliability and fidelity of analog, and the power and
flexibility of a true digital network.
As implemented in the 6416Y2 card, Pro64 A‑Net allows variable sample rates in two ranges, 44.1/48kHz and
88.2/96kHz, with ultra‑low latency, jitter, and wander. Pro64 devices can be connected in any combination of
serial (daisy‑chain) or parallel (star) topologies. Cable runs between Pro64 devices can be up to 400 feet (120
meters) on Cat‑5e, and miles on fiber optics (with Aviom fiber‑capable equipment).
Because A‑Net is designed specifically for audio, the technological limitations of Ethernet and Ethernet‑based
products are removed, while audio performance and system flexibility are increased. A‑Net incorporates Aviom’s
unique patented and patent‑pending algorithms for controlling clock jitter and wander, as well as system‑wide
latency—regardless of an installation’s size, design, or clocking setup. A‑Net offers significant advantages in
fidelity, performance, and flexibility over Ethernet‑based products.
A‑Net uses the “physical” layer of Ethernet, but it eliminates all the protocol elements that are designed for
computers and IT‑style networking. In audio applications, these other layers reduce efficiency, impose system
restrictions, and introduce latency and timing instability. By eliminating Ethernet data structures, A‑Net creates a
superior network with enhanced audio performance. With A‑Net and the Pro64 Series, Aviom continues to break
new ground in the design and development of innovative digital audio networking technologies and solutions.
6416Y2 Card Supported Sample Rates
Sample RateMinimumMaximum
1x 44.1/48kHz39.7kHz52kHz
2x 88.2/96kHz79.4kHz104k Hz
Clocking
The Pro64 network offers the most flexible clocking and synchronization options in the industry even when
syncing to an external clock source.
Any Pro64 I/O device can be designated the Clock Master for the network, generating and distributing its internal
clock. (The 6416Y2 Card uses the Yamaha host device’s clock and distributes that clock to the network if a 6416Y2
card is set to be the network’s Control Master.) Pro64 digital I/O devices are capable of syncing to and distributing
an external clock from a Word Clock or AES3 source to the network.
Control Data
The Pro64 version of A‑Net has built‑in, dedicated bandwidth for 14 channels of non‑audio control data through
the use of Aviom’s innovative Virtual Data Cables™. These data streams are always available to carry MIDI, RS‑232,
RS‑422, or GPIO (General Purpose I/O), and they never compete with the audio channels for network resources,
ab o u t a-ne t
8
regardless of the system configuration. (Not all VDC data types are supported on every Pro64 device.)
Because VDC inputs are simply incorporated into the A‑Net stream, these control signals can be transmitted over
very long cable runs and even across an entire Pro64 network, significantly expanding the applications possible
with MIDI, RS‑232/422, and GPIO.
All VDC control data that enters the network stream from other Pro64 devices is retained in the A‑Net stream for
other devices to use; control data not supported by a particular device is simply ignored as it passes through.
A-Net Ports
Pro64 I/O devices have dual A‑Net ports, labeled A and B. Both ports carry a bidirectional A‑Net stream at all
times. (That is, both ports are always transmitting and receiving A‑Net data.)
Pro64’s Auto Mode provides a true audio network with 64 available “Slots” for transporting audio (at 44.1/48kHz).
Every audio Slot is available everywhere in the network, with no upstream/downstream restrictions. In Auto Mode,
there are no connection rules; devices can be connected in series, parallel, or combinations of series and parallel.
Connect a Cat‑5e (or fiber) cable to either the A or B A‑Net port and the system does the rest. No addressing or IT
configuration is required.
ab o u t a-ne t
EtherCon Cat-5e A-Net ports on the front face of the 6416Y2 card
9
Support For Pro16 Series Products
Pro64 Series products can be combined with Pro16® Series output products such as Personal Mixers or output
modules System by adding the Pro64 ASI A‑Net Systems Interface. This 1U device converts Pro64 A‑Net data
to Pro16 data, providing up to four streams of 16‑channel data (depending on the Pro64 sample rate) that can
be used with A360, A‑16II, and A‑16R Personal Mixers*, A‑Net Distributors, and the AV‑P2 and AN‑16/o Output
Modules.
Front and rear panels of the ASI A-Net Systems Interface
The ASI is not compatible with the A‑Net output of Pro16 input devices such as the AN‑16/i, AN‑16/i‑M, the
Y1 console interface card (for Yamaha® digital products), and Pro16 A‑Net console cards built by third‑party
manufacturers for their digital console products.
* The original A‑16 Personal Mixer and some early A‑16R Personal Mixers are not compatible with the Pro16
output of the ASI A‑Net Systems Interface.
ab o u t a-ne t
10
Pr o 64 us e r iN t e r F a c e
This section outlines some basic concepts of operation for Pro64 products. Pro64 I/O devices have some common
user interface elements that make setting up an audio network easy to understand. Although the 6416Y2
doesn’t have a front panel user interface with buttons and LEDs, its interface elements are similar to other Pro64
hardware I/O modules that use buttons and LEDs for comparable features (as seen in some of the examples). Any
combination of Pro64 devices can be used when setting up a Pro64 network.
A-Net Slot
Pro64 I/O devices come in a variety of configurations. To allow a large number of hardware audio input devices
to be available to the Pro64 audio network, Aviom has implemented the concept of the A‑Net Slot to simplify the
configuration of potentially complex audio networks. Simply put, an A‑Net Slot is a place in the network where an
audio input resource (analog or digital) is assigned so that it may be transported throughout the network.
A Pro64 network will always have a finite number of A‑Net Slots available that can be addressed by an unlimited
number of hardware channels. The actual number of available Slots is determined by the current sample rate.
Slots versus Channels
You might be wondering why Aviom chose to refer to the audio I/O resources in the Pro64 Series products as
‘’Slots.” Why not just call them “channels”?
We did this to avoid confusion between references to physical hardware audio resources and virtual network
audio resources. The word ‘’channel’’ is ambiguous and may cause confusion when configuring an audio network.
“Channel” appears in many contexts, including audio mixing consoles, mic preamps, DSP processors, and DAW
software.
We use the word ‘’channel’’ when referring to the physical audio inputs—analog or digital—on a piece of hardware
(such as the 16 line‑level XLR input jacks on the 6416i Input Module or a Yamaha console‑based resource such as
a direct output or aux bus send). Each of these audio input sources can be made active and added to the network
individually, and it is only when activated that they use any network resources (the A‑Net Slots). To allow this
functionality, Pro64 products separate the hardware resources from the available network resources by giving
each hardware input channel an on/off switch that allows it to be added to the network as needed.
It is these activated hardware resources that are being referred to as “Slots.” Pro64 audio networks can potentially
have a greater number of audio channels and hardware I/O devices connected than the network can make use of
at one time. This provides flexibility without requiring constant re‑patching. Managing resources in the network
can be simplified by using the Pro64 Network Manager software.
Keep in mind that a Pro64 A‑Net network can only manage a specific number of Slots at a time, and this number
varies with the sample rate being used (64 Slots at the 48kHz sampling rate).
In summary, think of “channels” as hardware resources that can be added to the network as needed and “Slots” as
locations within the Pro64 digital audio network pipeline that A‑Net uses to move data throughout the network.
Pr o 64 us e r In t e r f a c e
11
Slots and Sample Rate
The current system‑wide sample rate will determine the number of A‑Net Slots that are available.
Sample Rate A-Net Slots Yamaha Compatibility
44.1kHz64Yes
48kHz64Yes
88.2kHz32Ye s
96kHz32Yes
176.4kHz16No
192k Hz16No
Even though the network sample rate may change the available number of A‑Net Slots, the I/O capacity of a
hardware device does not change. That is, a 16‑channel input module in a 96kHz network can still have all of its
channels activated.
The current network sample rate will also affect the display of available A‑Net Slot ranges. Slot ranges will always
have the same maximum number as seen in the sample rate chart. At 96kHz, for example, only Slots 1 through 32
are available; the Slot range from 33 to 64 is inactive and unavailable at 96kHz.
Slot ranges outside the maximum for the current sample rate can be selected, but attempting to activate a
channel in an unavailable range will result in an error message on hardware I/O modules (the selected channel
button, A‑Net Slot range, and sample rate LEDs will all flash). Note that console interfaces such as the 6416Y2 card
have no A‑Net Slot displays and cannot display these error messages. When using Pro64 Network Manager, Slots
outside the limits of the current sample rate cannot be activated.
P No t e : Yamaha devices do not support sample rates above 96kHz.
Pr o 64 us e r In t e r f a c e
12
co N t r o l ma s t e r
RS–232/422
STEREO LINK
6416
Y
2
BA
ON
CTLCLKAUTOERR
1 2 3 4 5 6 7 8 9 10 11 12
In every Pro64 network, one device will always be designated as the Control Master, the device that manages all
A‑Net resources for the network. The Control Master can be any I/O module in the network, and can be assigned
or changed by the user as needed. Only one device can be assigned as Control Master in a Pro64 network at a
time; an A‑Net Pro64 network cannot function without a Control Master.
The functions of the Control Master include:
System resource and information management •
Management of •active channels (Slots)
System‑level command and control functions •
Keeping track of all Pro64 devices in the network (by type and quantity) •
Control of the current system‑wide •sample rate
•Clock Master (analog modules only)
System lock via •password on/off for supported devices
Management of •Virtual Data Cable (VDC) resources
Management of •stereo link status
Requests to enter •Managed Mode for control with Pro64 Network Manager software
Communication with •Pro64 Network Manager software when configuring and managing a
network using a PC
The Control Master status is identified with a red LED on the front panel of the device currently assigned as the
Control Master. Depending on the type of device (rack‑mounted I/O module, AllFrame, or digital console interface
card), the method used for designating Control Master status may be different.
The Control Master LED is labeled CTL on the 6416Y2 card.
The Control Master LED (CTL) on the 6416Y2 card
co n t r o l ma s t e r
13
Only one device in a Pro64 network can be designated as the Control Master. Here, a Pro64 I/O module is shown.
RS–232/422
STEREO LINK
6416
Y
2
BA
ON
CTLCLKAUTOERR
1 2 3 4 5 6 7 8 9 10 11 12
Setting Control Master Status
Setting the 6416Y2 to be the network Control Master is done using the DIP switches found on the front panel.
The Control Master is set with switch 12, found in the same DIP switch block as the Stereo Link section of the
interface.
DIP switch 12 in the down position (shown in black) is used to set the Control Master status for a 6416Y2 card.
Move DIP switch 12 to the down position to make the 6416Y2 card the Pro64 network’s Control Master. In a
network with multiple 6416Y2 cards installed, only one card needs to be set as Control Master.
P No t e : When a 6416Y2 card is set to be Control Master, it is automatically set to be the Clock Master. The clock
comes from the Yamaha device in this case.
co n t r o l ma s t e r
14
co N t r o l ma s t e r Fu N c t i o N s
RS–232/422
STEREO LINK
6416
Y
2
BA
ON
CTLCLKAUTOERR
1 2 3 4 5 6 7 8 9 10 11 12
This section describes the individual functions of the Control Master device in a Pro64 network.
Enumeration
When the Control Master is powered on, its first job is to identify and count all connected A‑Net devices in the
network in a process called enumeration. The time for this process will vary based upon the number of Pro64
devices in a system. This process cannot begin until the host Yamaha device has finished its own power‑up cycle
when a 6416Y2 A‑Net Interface Card is the Control Master. Electrical power for the card comes from the Yamaha
host device.
Enumeration is an automated process performed by the command and control portion of A‑Net. There are no
user‑controllable functions or settings.
During the enumeration process, all connected A‑Net devices will flash their blue A‑Net LEDs, indicating that a
request to be added to the Pro64 network is being made. Once granted entry by the Control Master, the individual
device’s blue A‑Net LED will light solid to indicate that it is now receiving valid A‑Net packets and is part of the
Pro64 network.
If valid A‑Net packets are not received, the device will reset and wait until a valid A‑Net stream is detected.
During enumeration, any conflicts will also be resolved. For example, consider a new installation using eight
input devices set to the same A‑Net Slot range with all channels activated during a bench configuration. When all
these input devices are connected and then powered up, only one of them will be allowed to have all 16 channels
activated. The remaining seven modules will have their audio channels deactivated. Conflicts with channel
activation on 6416Y2 cards must be resolved manually if Slot activation is controlled via DIP switches or by using
the card’s Device Window from within Pro64 Network Manager.
Adding Pro64 Devices to a Network
When a new device is added to an existing Pro64 network, the new device makes a request to the Control Master
for inclusion in the network. During this time, the new device’s blue A‑Net LED will flash. When the new device
has been enumerated by the Control Master, its blue A‑Net LED will then light solidly to indicate that the Control
Master has granted the device access to the network. Adding a new device will interrupt network operation
briefly while enumeration occurs, except if the new device is connected to an open port on an MH10 or MH10f
Merger Hub already in the network.
co n t r o l ma s t e r
The blue LED is used to indicate network status.
15
Control Master and Clock Source
RS–232/422
STEREO LINK
6416
Y
2
BA
ON
CTLCLKAUTOERR
1 2 3 4 5 6 7 8 9 10 11 12
The Pro64 device designated as Control Master is also in control of the network master clock. The Clock Master
LED lights to indicate that a module is designated as the network’s master clock source. (The 6416dio Digital I/O
Module is the only exception to this rule.)
The red Clock Master (CLK) LED lights when a Pro64 device is the Control Master.
When an analog I/O module is the Control Master, no other analog module can be used as a clock source in an
all‑analog network. When a 6416Y2 console interface card is part of a Pro64 network, the 6416Y2 can be used as a
Clock Master for the network, but it must also be the network’s Control Master to do so.
When using a 6416Y2 card as the Clock Master, the clock is derived from the Yamaha host device and shared
throughout the Pro64 network. That clock reference can be the Yamaha host’s internal clock or an external clock
to which the Yamaha host device is synced. Changes to the host device’s sample rate will affect available A‑Net
Slots.
Multiple 6416Y2 cards can be used in a Yamaha host device, but only one can be set to be Control Master, which
automatically makes this card the Clock Master. If a 6416Y2 card is the Control Master it cannot simultaneously
send m‑control remote mic preamp control data.
Other Clock Sources
External clock sources for the Pro64 network can include:
The •internal clock from the Yamaha device —the 6416Y2 card must be the network’s
Control Master
Word Clock received via the external Word Clock inputs on a •Yamaha device—the
6416Y2 card must be the network’s Control Master
• Word Clock connected to the dedicated BNC Word Clock jack on a Pro64 digital I/O
device, such as the 6416dio Digital I/O Module or AllFrame F6
• The AES3 (AES/EBU) clock signal embedded in an AES3 digital signal connected to a
Pro64 digital I/O module such as the 6416dio or AllFrame
co n t r o l ma s t e r
16
Clock Errors
If a clock error occurs, the Clock Master LED will blink indicating that an error has occurred. Common causes for a
clock error include:
Attempting to change the •sample rate on a device other than the Clock Master
Attempting to change the clock source when the network is password protected •
Removing or changing external clock sources on a digital I/O module •
Incorrect configuration of an •external clock source on a digital I/O module
Attempting to use a sample rate higher than 96kHz with the 6416Y2 card •
Network Sample Rate
When an analog device is the Control Master, the Control Master device is automatically designated as the
network Clock Master. It will remain the Clock Master until a different analog module is made the Control Master
or until a digital module such as the 6416Y2 card is added to the network and is assigned to be the Control Master
and Clock Master.
The network’s internal master clock is derived from the sample rate currently in use. The sample rate also affects
the total number of available A‑Net Slots available for use in the Pro64 network.
The Clock Master LED on the 6416Y2 card (labeled CLK) will light automatically when its Yamaha host is powered
on if the 6416Y2 card is Control Master and Clock Master for the Pro64 network.
The Sample Rate section of a rack‑mounted hardware I/O module’s front‑panel interface (e.g., 6416i Input Module)
includes a group of LED indicators for displaying the current network sample rate. One LED will be lit at all times.
The 6416Y2 card has no such LEDs. However, the current sample rate information will be sent to all Pro64 network
devices when a 6416Y2 card is Control Master/Clock Master.
The sample rate display on Pro64 I/O modules
will display the current network-wide sample
rate when a 6416Y2 A-Net Interface Card is
the Clock Master, receiving its clock from the
Yamaha host device.
The current sample rate for the network will be displayed on all I/O modules in the network, and will update
to reflect any changes made from the Yamaha host (such as changing the sample rate from 44.1kHz to 48kHz,
or from 48kHz to 96kHz). Only one sample rate can be used at a time in a Pro64 network. When using Pro64
Network Manager to configure a network, the current sample rate will be displayed in the status bar. The network
sample rate can be changed from the software but all rules outlined previously still apply.
P No t e : If multiple Yamaha devices with 6416Y2 cards installed are used in a Pro64 network, only one 6416Y2
card can be set as the Pro64 network Control Master. Each additional Yamaha device must be a clock
slave in this situation.
co n t r o l ma s t e r
17
Changing the Sample Rate
RS–232/422
STEREO LINK
6416
Y
2
BA
ON
CTLCLKAUTOERR
1 2 3 4 5 6 7 8 9 10 11 12
Changing the sample rate when a 6416Y2 A‑Net Interface Card is the Clock Master is done from within the
Yamaha user interface. The range of available sample rates varies per Yamaha device; consult the Yamaha user
documentation for complete information on the available sample rates that are supported on a particular digital
product.
Changing the Yamaha host device’s sample rate will affect the number of available A‑Net Slots when the sample
rate changes from the 1x range (44.1/48kHz), to the 2x range (88.2/96kHz), or vice versa. Note that only sample
rates up to 96kHz are supported by Yamaha digital devices.
Password Protection
A Pro64 network can be password protected from the Control Master only. Once protected, the front‑panel
interface on all devices is locked, preventing changes to A‑Net Slots, sample rate, clock source, channel activation,
stereo links, and Virtual Data Cable assignments. Hardware switches, such as gain settings on input and output
devices, and rear‑panel DIP switches are in the analog domain and are not affected. Password protection remains
in force even when a system is power cycled.
All Pro64 hardware I/O devices except console interface cards and AllFrame devices ship with a default password.
The 6416Y2 card can be used to lock the network, but no password is available.
To lock the Pro64 network, move switch 9 in the front‑panel DIP switch block to the down position. Changes
to the network lock status will be instantly reflected on other network modules. No edits are possible until the
network is unlocked. When the 6416Y2 card is Control Master, simply move switch 9 in the front‑panel DIP switch
block to the up position to unlock the network and allow changes to be made.
DIP Switch 9 on the front panel can be used to lock the Pro64 network when in the down position.
P No t e : The password lock state cannot be accessed from within Pro64 Network Manager.
co n t r o l ma s t e r
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