User Guide
P/N 9310 1015 0002F rev. 1.0
© 2007 Aviom, Inc.
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WARNING!
!
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.
• Operating Temperature: 10˚C to 50˚C (50˚F to 122˚F)
CAUTION
Risk of electric shock!
Do Not Open
WARNING!
To reduce the risk of fire or
electric shock do not expose
this product to rain or moisture.
AVIS: Risque de choc electrique!
Ne pas ouvrir
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.
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Important Safety Instructions
1. Read these instructions.
2. Keep these instructions
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance
with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat
registers, stoves, or other apparatus (including amplifiers) that
produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-
type plug. A polarized 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 is provided
for your safety. If the provided plug does not fit your outlet,
consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched,
particularly at plugs, convenience receptacles, and the point
where they exit the apparatus.
11. Only use attachments/accessories specified by the
manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified
by the manufacturer, or sold with the apparatus. When a
cart is used, use caution when moving the cart/apparatus
combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused
for long periods of time.
14. Refer all servicing to qualified personnel. Servicing is required
when the apparatus 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, the unit does
not operate normally, or it has been dropped.
15. The solid line over dashed line symbol (
the input voltage must be a DC voltage.
) indicates that
16. The box within a box symbol (
power supply is double insulated.
) indicates that the external
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Warranty Information
Please record the following information for future reference:
Your Authorized Aviom Dealer:
Name:
Address:
Phone:
Serial Number of Your Aviom Product:
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, check the Aviom website at
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.
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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 modified in any way, or if the product
serial number 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 discretion, 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, USA. 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.
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Table of ConTenTs
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Welcome
This User Guide is designed to familiarize you with the features and
functions of your new Pro64™ product. In developing the Aviom
Pro64 Series product line, 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.
This document is a combined User Guide for the MH10 and MH10f
Merger Hubs, which have many features in common. Differences in
functionality will be called out as needed.
Features
The MH10 and MH10f Merger Hubs are designed to merge and distribute
A-Net® data streams and provide 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.
MH10 Merger Hub features:
• Ten bidirectional A-Net ports
• Ten EtherCon® RJ45 network connectors
• Three Manual Mode configurations
MH10f Merger Hub features:
• Ten bidirectional A-Net ports
• Eight EtherCon® RJ45 network connectors
• Two SFP fiber optic ports
• Three Manual Mode configurations
Multiple MH10 and/or MH10f Merger Hubs can be used when creating a
Pro64 audio network.
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.
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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.
The SFP Module
The MH10f Merger Hub ships with two 100 Mbps SFP format fiber optic
ports (9 and 10) which allow the user to connect optional single-mode
or multi-mode fiber optic transceivers that can transmit A-Net data over
longer distances than Cat-5 cabling can provide.
Small form-factor pluggable (SFP) is a specification for a series of
modular optical transceivers. The transceivers are designed to be
physically compact, and can be hot swapped. The SFP connector allows
the user to reconfigure the MH10f with single- or multi-mode fiber optic
transceivers as needed. Always leave the dust cap on when the SFP
module is not in use to avoid damage to the optical connections.
The SFP transceiver module shown with its dust cap on (left) and from
the front with transmit and receive connectors exposed.
Using fiber optic connections will require a minimum of two MH10f units.
Always use the same type of SFP module in each unit—for example, use
100 Mbps multi-mode SFP transceivers with the same light wavelength
specifications in each MH10f. Gigabit (1 Gbps) SFP transceivers are not
supported.
The LC Connector
SFP modules typically use a connector known as LC. For bidirectional
transmission, two fiber cables per SFP module are required, one to
transmit and the other to receive. The SFP module can accept single
(simplex) or dual (duplex) type connectors. Aviom suggests using
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duplex connectors with the MH10f to avoid transmit/receive errors
caused by the removal of individual fiber cables.
A simplex LC connector (left) and a duplex connector (right).
Cat-5e
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 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 can be of the standard RJ45 variety or of
the locking Neutrik EtherCon type.
Firmware Update
The Pro64 firmware can be updated in the field using a PC and the
Pro64 Update Tool. Modules can be updated over A-Net, while part of
an active audio network, or in local mode where no other modules are
connected at the time the update is being performed (such as may be
required for a bench configuration when setting up modules prior to
installation).
Updating a module requires the Aviom Pro64 Update Tool application, a
PC host computer with RS-232 connection capability, a null modem DB9
cable, and the update file for the particular Pro64 device being updated.
Refer to the Aviom website for information about the availability of the
latest firmware upgrades and feature updates.
The MH10 or MH10f must be connected to another Pro64 device with
Virtual Data Cable™ capability in order to be updated.
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About A-Net
Aviom’s A-Net® is the only networking technology conceived, designed,
and optimized for managing and distributing audio using ordinary
Cat-5e cables. As implemented in the Pro64™ Series products, A-Net
can transmit up to 128 channels of uncompressed 24-bit audio with the
reliability and fidelity of analog, and the power and flexibility of a true
digital network.
Pro64 A-Net allows variable sample rates in three ranges, from 44.1kHz
to 192kHz , 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-5e1, 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.
Pro64 Series Supported Sample Rates
Sample Rate
Minimum
39.7kHz
Maximum
52kHz
1x 44.1/48kHz
2x 88.2/96kHz
4x 176.4/192kHz
79.4kHz
104kHz
208kHz
158.8kHz
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Cat-5e, Cat-6, or better, Unshielded Twisted Pair (UTP) cable
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Clocking
The Pro64 network offers the most flexible clocking and synchronization
options in the industry. Pro64 devices support three ranges of variable
sample rates, from 44.1/48kHz to 192kHz . Because no sample rate
converters are used, audio transmission is kept fast and clean, eliminating
the audio artifacts and signal degradation inherent to sample rate
conversion—even when syncing to an external clock source.
Any Pro64 I/O module can be designated the Clock Master for the
network, generating and distributing its internal clock. Digital I/O
modules are capable of syncing to and distributing an external clock
from a Word Clock or AES3 source.
Control Data
The Pro64 Series 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, regardless of the system
configuration. (Not all VDC™ data types are supported on every Pro64
module.)
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. And as with
audio signals, VDC control data can be input anywhere and output
anywhere else in the network.
A-Net Ports
Pro64 I/O modules 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 networks can be
configured in one of two operational modes, Auto Mode or Manual
Mode, depending on the requirements of a particular system.
In Auto Mode, there are no connection rules; connect a Cat-5e cable to
either the A or B port and the system does the rest. 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 system, with
no upstream/downstream restrictions.
In Manual Mode, the Pro64 network becomes a 64x64 system (at 48kHz),
similar to a traditional stage-to-FOH snake. At every point in the Manual
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Mode network, two 64-channel streams are available on the cable and
in each module. The configuration of the cables and ports has an impact
on the makeup of the network and the distribution of audio signals. The
user can direct A-Net data from an input module to a specific port (A,
B, or both). Output modules can be configured to output audio signals
from a specific port (A or B).
Support For Pro16 Series Products
Pro64 Series products can be combined with Pro16™ Series output
products such as the Pro16 Monitor Mixing System by adding the Pro64
ASI A-Net Systems Interface. This 1U module converts Pro64 data to
Pro16 data, providing up to four streams of 16-channel data (depending
on the Pro64 sample rate) that can be used with A-16II and A-16R
Personal Mixers, A-Net Distributors, and AN-16/o Output Modules. 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 D-16c card (for DiGiCo® digital products).
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AC Power
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).
Rack Mounting
Pro64 products are designed to be mounted in a 19-inch equipment
rack. The rack ears on each side of the device are designed to support
the weight of the product without additional hardware. Each rack ear
contains holes for two screws per side. Always support the unit with all
four screws to avoid damage to the unit.
To rack mount the Pro64 product, position it in the equipment rack at
the desired location. Use standard rack-mounting screws (10-32 size) to
attach the unit to your rack hardware. Tighten all four screws firmly, but
avoid overtightening.
Aviom suggests the use of non-metallic washers between the rack-
mounting screws and the device’s finished surface to avoid marring the
finish on your Aviom products.
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Ventilation
Always allow adequate ventilation for devices mounted in equipment
racks. Avoid placing your Pro64 product directly above or below other
rack-mounted devices that produce high levels of heat, such as power
amplifiers.
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.
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Front Panel Components
The front panel components of the MH10 and MH10f are identical; the
MH10 is shown in the diagrams below.
1. Auto Mode LED
2. Manual Mode LED
3. Manual Mode configuration (A, B, C) indicator
4. Active A-Net port LED
5. A-Net LED
6. Managed Mode LED
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MH10f Rear Panel
1. Power On/Off Switch
2. IEC Power Inlet
3. Fuse Holder
4. Backup DC Power Inlet, 4-pin XLR
5. Manual Mode configuration selector button
6. Manual Mode configuration LED
7. A-Net ports, SFP connectors, 2x
8. A-Net ports, EtherCon connectors, 8x
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Front Panel Features
This section describes the features and functions of all front-panel
components of the MH10 and MH10f Merger Hubs.
Network Mode Indicator
The mode LED lights to display the current network mode, which can be
set to Auto or Manual at the network’s Control Master. When the Pro64
network is operating in Auto Mode, the red Auto LED will be lit. In Auto
Mode, no user settings are available on the MH10/MH10f; all ten A-Net
ports function identically. It does not matter which rear-panel A-Net
port is used when connecting Pro64 devices to the network.
One network mode is always selected. Here, the network is in Auto
Mode; the Auto LED is lit.
In Manual Mode, the user has the option of directing A-Net data to either
or both A-Net ports on input modules that are part of the network. Once
the network has been set to operate in Manual Mode, the red Manual
LED and one of the yellow configuration LEDs will be lit on the MH10/
MH10f.
By choosing one of the three Manual Mode configurations, A-Net digital
streams can be routed in different ways to accomplish a variety of audio
distribution tasks. (One configuration is always selected by default.)
Three Manual Mode configurations are available:
• A Merge All — Merges all incoming A-Net data and
distributes this merged stream of data to all 10 ports
(this is the same as Auto Mode).
• B Merge 1-9 — Merges incoming A-Net data from
ports 1-9 to a single stream and distributes this merged
Pro64 stream to port 10 only.
Pro64 data streams arriving at port 10 are distributed
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out to ports 1-9.
• C Merge 1-8 — Merges the incoming A-Net data
from ports 1-8 to one stream and distributes the
merged data to ports 8-10. A redundant data path is
created when either two MH10 (Cat-5e) or two MH10f
(fiber) units are connected together via ports 9 and 10.
Port 8 is special when configuration C is used. It inputs
data to the Merger function and outputs the complete
merged 64-channel stream, providing a local digital
split of all inputs.
Incoming A-Net data streams from ports 9 and 10 are
distributed to ports 1-7.
A-Net Port LEDs
Valid A-Net data connected to any of the rear-panel A-Net ports is
indicated by a lit A-Net activity LED on the front panel.
The activity LED lights to indicate the presence of a valid A-Net stream.
Ports 4, 6, 7, and 9 are shown as active.
A-Net LED
The blue LED found within the A-Net logo functions as the network
activity indicator. When a module is powered up, its A-Net LED will flash
while a request to enter the network is sent to and then processed by
the Control Master. Once a module is enumerated and is part of the
Pro64 network, the blue A-Net LED will light solidly.
The blue A-Net LED is also used during the firmware update process.
Firmware updates on an MH10/MH10f must be initiated from another
Pro64 device which has VDC capability.
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The A-Net LED lights when a Pro64 device is active on a Pro64 network.
Managed Mode LED
Managed Mode puts the network under control of a computer for
firmware updates, system monitoring, etc. Managed Mode can only be
entered from the network’s Control Master.
When the network is placed under control of a computer, the Managed
LED will light on all modules in the network.
The Managed LED is for information only. No user settings are available
on the MH10/MH10f for Managed Mode.
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Rear Panel Features
All MH10/MH10f rear-panel features and functions are described in this
section. Individual differences between the MH10 and MH10f will be
called out as needed.
AC Power
Pro64 modules use switching power supplies that can operate at 100-
240V and from 50-60Hz, meaning that they can be used with most of
the world’s AC power systems by simply changing the line cord. The
MH10/MH10f is equipped with a standard grounded IEC power inlet
(with fuse) which can accept the interchangeable IEC power cord.
Access the fuse by pressing on the spring-loaded hatch beneath the
AC power inlet.
Fuse
The fuse holder is spring-loaded and has space for two fuses, one main
and one spare (optional). Press the fuse holder cover to access the fuse.
When checking or replacing a fuse, always power off the Pro64 unit and
remove the line cord from the AC power source.
Always replace the fuse with one of the same rating as that being
changed.
Backup DC Power - MH10f
For applications where a backup power source is required, the MH10f
is equipped with a backup DC power inlet using a locking 4-pin XLR
jack. A DC power supply capable of outputting 24VDC 5% at 1 amp is
required. In the locking XLR plug, connect pin 1 to ground and pin 4 to
the 24VDC supply.
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The MH10f can be powered via its internal power supply or an optional
external 24 volt supply.
Both internal AC and external DC power sources can be connected
simultaneously.
A-Net Ports
Ten EtherCon jacks are provided for A-Net connections on the MH10,
numbered 1 to 10. The MH10f has eight EtherCon jacks. Connections
can use standard RJ45 cables or cables outfitted with the locking
Neutrik EtherCon connector.
In addition to the eight EtherCon jacks, the MH10f has two 100 Mbps
SFP fiber optic ports, which are numbered 9 and 10.
The actual functionality of the ten ports on a Merger Hub is determined
by the current network mode (Auto or Manual) and the setting of the
Manual Mode configuration when using Manual Mode.
In Auto Mode, all ten A-Net ports perform the same function.
Cables from any compatible Pro64 device can be plugged into any
available port. Multiple MH10 or MH10f units can be used simply by
interconnecting them using an available A-Net port. There is no need to
match MH10/MH10f port numbers (port 1 connected to port 1, etc.).
The MH10f (shown) has eight EtherCon and two SFP fiber connectors.
The ten A-Net ports on the MH10 each have EtherCon connectors.
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Manual Mode Configuration Button
In Manual Mode, the MH10/MH10f can be set to merge and distribute
A-Net data from different combinations of ports, making signal routing
easy. The functionality of the ports is determined by the setting of the
Manual Mode Configuration.
One configuration is always selected (its LED is lit), even if the network is
operating in Auto Mode.
One Manual Mode Configuration LED is always lit.
Press the MAnuAl Mode ConfigurAtion button to cycle through the
three options (A, B, or C). The LED next to the selected configuration will
be lit regardless of the current network mode that is being used. When
Manual Mode is selected at the Control Master, the selected Manual
Mode Configuration is automatically applied. The corresponding LED
on the front panel of the MH10/MH10f will also light when Manual Mode
is active.
When multiple MH10/MH10f Merger Hubs are used in a network, note
that each can be configured as needed, making complex Manual Mode
networks easy to set up.
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MH10 Configurations
The MH10/MH10f has two functional sections, the Merger, which
combines A-Net data streams as they arrive at the MH10/MH10f, and the
Hub section, which distributes the combined data. These subsections
are part of the internal structure of the MH10/MH10f and are not
individually configurable.
It is important to remember that each A-Net cable in a Pro64 network
carries two streams of data, one in each direction at all times. Each
A-Net port on the MH10/MH10f is always contributing its data to the
Pro64 data stream (as in the case of a 6416i Input Module, for example)
while at the same time distributing the network data.
The MH10/MH10f provides three preset configurations (labeled A, B, and
C) for routing the digital audio and Virtual Data Cable (VDC) content of
the A-Net streams received at its ten ports in Manual Mode. Each MH10
or MH10f Merger Hub in a network can be set individually to one of the
three configurations, which is especially powerful when configuring
Manual Mode networks.
Auto Mode
In Auto Mode, audio and VDC data received from the ten A-Net streams
are merged into a single stream, which is then distributed through the
transmitted streams to all ten ports.
In the simplified example that follows, two cables connected to two
ports on an MH10/MH10f are shown. The upper cable in the diagram
sends inputs 1-16 into the merger; the lower cable sends inputs 17-32.
As channels from the individual input modules reach the MH10/MH10f,
they are combined by the merge function. The combined multi-channel
stream is then transmitted out of each port of the MH10. Any Pro64
device connected to any port can make use of every audio signal in the
network.
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Inputs 1-16
Outputs
1-32
+
Inputs 17-32
Data enters the MH10, is merged, and is then distributed.
The merge functionality within the MH10/MH10f creates a single unified
data stream from all incoming A-Net ports. The following block diagrams
illustrate the routing of A-Net signals in Auto and Manual Modes. It is
important to remember that the Receive and Transmit sections shown
are part of each port on the MH10/MH10f
A-Net Receive
(Ports 1-10)
A-Net Transmit
(Ports 1-10)
Merger
Distributor
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
10
Auto Mode and Manual Mode Configuration A
In Auto Mode, all ports on an MH10/MH10f have the same functionality;
they will accept digital audio inputs and VDC data and then transmit a
combined data stream with all audio and VDC data.
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Manual Mode
Three signal routing configurations are available on each MH10/MH10f
when the network is running in Manual Mode.
Configuration A (Merge All)
Manual Mode Configuration A (Merge All) functions similarly to Auto
Mode. For digital splits and data copies, Manual Mode Configuration A
is ideal.
Configuration B (Merge 1-9)
This configuration is well suited for a basic digital snake using only one
MH10 Merger Hub, or as a basic snake using two MH10f units when the
redundancy and local digital split functionality of Configuration C are
not required.
A-Net Receive
(Ports 1-10)
A-Net Transmit
(Ports 1-10)
Merger
Distributor
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
10
Manual Mode Configuration B
In Manual Mode Configuration B (Merge 1-9), audio from the Pro64
streams received at ports 1-9 are merged into a single stream, which is
transmitted out port 10. The stream received at port 10 is distributed
out ports 1-9. VDC data from all ten ports are merged, as in Auto Mode.
Configuration B Example 1
The following stage-to-FOH example shows a digital snake at 48kHz
with 64 inputs and 16 return lines, incorporating one MH10. (The MH10f
cannot be used in this example since port 10 is configured with a fiber
optic connector that needs to be connected to a second MH10f to
transmit/receive A-Net data.)
The 64 inputs (mic, line-level, or/or digital) originating on the stage
enter the MH10 at ports 1-4 (marked as “Stage Inputs”). The audio inputs
are merged in the MH10 and a 64-channel stream is sent out of port 10.
One Cat-5e cable spans the distance from stage to the front-of-house
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mixer. Port 10 is connected to a group of four output modules or Pro64
console interface cards (such as the 6416Y2 card for Yamaha® digital
products) at FOH which are connected to the mixing console (marked
as “Stage Outputs”).
The engineer creates mixed audio for the speakers, amps, and processing
devices and connects this audio to the input module marked “FOH
Returns 1-16 In.” These channels appear at outputs 1-9 of the MH10.
One output module is shown (“FOH Returns 1-16 Out”), but by adding
more output modules, digital splits are easy to create.
STAGE
1
2
Stage Inputs 1-16
Stage Inputs 17-32
Stage Inputs 33-48
Stage Inputs 49-64
3
FOH
4
FOH Returns 1-16 In
5
6
Stage Outputs 1-16
Stage Outputs 17-32
Stage Outputs 33-48
Stage Outputs 49-64
7
FOH Returns 1-16 Out
8
9
10
A 64x16 digital snake using only one MH10 Merger Hub
Configuration B Example 2
Adding more input modules at the FOH position allows the engineer to
create content for monitoring, recording, broadcast, etc.
In this example, inputs from the stage and their associated outputs at
the front-of-house position are unchanged, as are the returns from FOH
to the processors and amps from the previous example.
Two additional input modules at front-of-house are used to send two
streams of monitor content to the stage area for performers. Here an
ASI A-Net Systems Interface is used to create two streams of Pro16 data
for use with A-16II and A-16R Personal Mixers. The digital snake is now
configured as 64x48.
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STAGE
FOH
1
2
Stage Inputs 1-16
Stage Inputs 17-32
Stage Inputs 33-48
Stage Inputs 49-64
FOH Returns 1-16 In
Monitor Sends 17-32
Monitor Sends 33-48
3
4
5
6
Stage Outputs 1-16
Stage Outputs 17-32
Stage Outputs 33-48
Stage Outputs 49-64
FOH Returns 1-16 Out
ASI
7
8
9
10
Pro16
Pro16
Monitors 1 Monitors 2
Cat-5e Cable
This 64x48 digital snake uses one MH10 Merger Hub. Input and
output modules at the FOH position are connected serially. The
ASI (connected to port 8) translates Pro64 data for use with Pro16
monitoring devices.
Again, any of the ports numbered 1-9 on the MH10 can be connected to
additional Pro64 devices for splits. Remember that any output devices
connected in series to any Pro64 device already connected to the MH10
can also output the content coming from the FOH engineer.
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Configuration B Example 3
This example substitutes a pair of MH10f hubs for the single MH10 in
the previous diagram. Fiber optic cable is also substituted for the Cat-5e
cable used between stage and FOH positions.
STAGE
FOH
1
2
1
2
Stage Inputs 1-16
Stage Inputs 17-32
Stage Inputs 33-48
Stage Inputs 49-64
FOH Returns 1-16 In
Monitor Sends 17-32
Monitor Sends 33-48
3
3
4
4
5
5
Stage Outputs 1-16
Stage Outputs 17-32
Stage Outputs 33-48
Stage Outputs 49-64
6
6
FOH Returns 1-16 Out
ASI
7
7
8
8
9
9
10
10
Pro16
Pro16
Monitors 1 Monitors 2
Fiber Optic Cable
This variation of the 64x48 digital snake example uses two MH10f
hubs and fiber optic cabling.
Configuration C (Merge 1-8)
Manual Mode Configuration
C
is optimized for use with two
MH10/MH10f Merger Hubs, typically with each placed on one side of a
digital snake. In Manual Mode Configuration C (Merge 1-8), ports 9 and
10 serve as a redundant pair, with one port available as a backup when
two MH10/MH10f units are used. Audio from the A-Net streams received
at ports 1-8 are merged into a single stream, which is transmitted out
port 8, as well as port 9 or 10. Audio data received at ports 9 and 10 are
distributed out ports 1-7. VDC data from all ports are merged.
This configuration is ideal for creating a digital snake and is capable
of creating multiple digital splits of the stage source material for
connection to a monitor console as well as to recording and broadcast
devices.
P Note: Never connect more than one cable between ports 9 and 10
except in Manual Mode Configuration C; doing so will result in
a data loop.
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A-Net Receive
(Ports 1-10)
A-Net Transmit
(Ports 1-10)
Merger
Distributor
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
10
Manual Mode Configuration C
P Note: When using Configuration C in Manual Mode, be sure that
both MH10/MH10f Merger Hubs are set to Configuration C to
avoid creating a data loop.
Configuration C Example
This example shows a stage-to-FOH application with a monitor console,
a 64-channel recording split, and a broadcast feed from the front-of-
house mix outputs. Two MH10 Merger Hubs are shown; MH10f hubs can
be substituted.
Inputs on the stage (mic, line-level, or digital) are connected to ports 1-8
of the MH10/MH10f on stage. Port 8 on this MH10/MH10f is connected to
output modules that feed the monitor console and recording devices.
(Optionally, another MH10 or MH10f could be connected to port 8 to
create a parallel rather than serial digital split.)
Digital audio from the stage inputs is merged and then transmitted
via port 10 to the second MH10/MH10f at the front-of-house mixing
position. (Port 9 is the redundant Cat-5e or fiber backup cable, shown
with a dotted line in the diagram that follows.)
At FOH, port 10 is connected to four output modules which feed the
front-of-house mixing console. The engineer creates mix content and
sends it into an input module (marked as “Returns 1-16”) at port 5 in the
diagram. Port 8 on the front-of-house MH10/MH10f is also connected to
an output module located in the broadcast area. This module outputs
the same FOH mix content.
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STAGE
1
2
Stage Inputs 1-16
Stage Inputs 17-32
Stage Inputs 33-48
Stage Inputs 49-64
3
4
5
6
FOH Returns 1-16 Out
7
8
9
10
Stage Outputs 1-16
Stage Outputs 17-32
Stage Outputs 33-48
Stage Outputs 49-64
1
2
MONITOR
CONSOLE
FOH
3
4
5
FOH Returns 1-16 In
Stage Outputs 1-16
Stage Outputs 17-32
Stage Outputs 33-48
Stage Outputs 49-64
6
Stage Outputs 1-16
Stage Outputs 17-32
Stage Outputs 33-48
Stage Outputs 49-64
7
8
9
RECORDING
10
FOH Returns 1-16 Out
BROADCAST
64 inputs on stage feed a monitor console and recording devices. The
front-of-house mix (FOH Returns) is sent to the broadcast area and to
amps and speaker processors on stage.
Ports 1-7 will output audio coming from the front-of-house mixer, either
monitoring content or audio for the speaker systems. Port 8 will output
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all audio inputs from the stage (ports 1-8) for use in a monitor console
or in a recording or broadcast room.
All Cat-5e network cables shown in the example diagrams can be up to
400 feet (120 meters) long. Fiber optic cable length will depend upon
the type of SFP device used (single- or multi-mode). Always use the
same type and specification SFP transceivers in each MH10f.
MH10 Configuration Errors
Data Loops
When using multiple MH10/MH10f Merger Hubs in a digital network,
never connect a pair of ports (two cables) between MH10/MH10f devices
other than ports 9-10 in Manual Mode Configuration C. Doing so will
cause an A-Net data loop. Only Manual Mode, and its Configuration C
specifically, can use a pair of Cat-5e or fiber cables connected between
ports 9 and 10 in a backup/redundant cable setup.
Changing from Manual Mode to Auto Mode
When changing from a Manual Mode setup using two MH10/MH10f
Merger Hubs in Configuration C to an Auto Mode setup, make sure
that the backup/redundant cable connected between port 9 or 10
on each MH10/MH10f is disconnected before changing the network
setup to avoid a data loop. Only one cable (Cat-5e or fiber) should be
connected between ports 9-10 when the MH10/MH10f is being used in
any configuration except Manual Mode Configuration C.
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Specifications
A-Net I/O - MH10
A-Net I/O - MH10f
10x EtherCon RJ45 connectors
8x EtherCon RJ45 connectors; 2x SFP fiber
optic ports (modules not supplied)
MH10f SFP Module
100 Mbps Fast Ethernet; Class 1 laser
device
SFP: use duplex LC connector
Hot-pluggable
Fiber Optic Modes
Multi-Mode, up to 2km
Single-Mode, up to 50km
Network Sample Rates 44.1/48kHz; 88.2/96kHz; 176.4/192kHz
Network Sample Rate 1x 44.1/48kHz,
39.7kHz to 52kHz
79.4kHz to 104kHz
Range
2x 88.2/96kHz,
4x 176.4/192kHz, 158.8kHz to 208kHz
24-bit, uncompressed
<420µs
Network Bit Depth
Network Latency
Cable Length, Cat-5e
Maximum 400 feet (120 meters);
Use Unshielded Twisted Pair (UTP) cable
Power Supply MH10
Power Supply MH10f
100-240VAC
50-60Hz, 15W
Internal switching power supply;
IEC connector, interchangeable; no DC
backup power
100-240VAC
50-60Hz, 24W
Internal switching power supply;
IEC connector, interchangeable
MH10f Backup DC
Power
24VDC, 5%; 4-pin XLR, external supply
Pin 1: Ground; Pin 4: 24VDC;
Pin 2, 3: no connect
Input Power Required: 24VDC 5%, 0.8
amp typical, 1.3 amp max.
DC Jack: Neutrik NC4MAH
DC Jack Mating Connector: Neutrik NC4FX
or NC4FXX
Fuse
250V, F4AL
Dimensions
1U; 19”w x 8”d x 1.75”h
482.6 x 203 x 45 mm
Weight
6 pounds;
2.72 kg
All Aviom products are designed and manufactured in the USA.
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Index
C
Symbols
Cables
Cat-5
Cat-6 3
Certifications ii
Cleaning 8
Clock 5
Configurations
configurations A, B, C
Connector
A
A, B, C LEDs
A-Net
AC fuse
changing 15
ASI 21
SFP 2
D
D-16c card
Pro16 6
DB9 cable
DC Power
DiGiCo 6
B
bidirectional 5
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duplex 2
dust cap
L
LED
SFP 2
E
Errors 26
Ethernet 4
M
Manual Mode Configuration Button
F
multi-mode 2
single-mode 2
FOH 21
Fuse 27
AC 15
Merger 18
MIDI 5
Monitor Mixing System
Pro16 6
G
GPIO
N
Neutrik EtherCon. See EtherCon
null modem cable
DB9 3
H
O
I
Output Module
AN-16/o 6
P
PC
J
Personal Mixer
Jitter 4
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Port A, B. See A-Net Port; See A-Net
Ports
U
UTP 27
Update
UPS 7
Ports
A-Net 5
Ports 9 and 10
redundant/backup 26
Pro16 21
UTP
Pro64 to Pro16
convert 6
V
Ventilation 8
VDC 18
R
redundant/backup
W
Wander 4
Warnings iii
Warranty vi
Weight 27
RoHS ii
RS-232 5
RS-422 5
Y
Y1 card
Pro16 6
Yamaha 21
S
minimum/maximum 4
simplex 2
Slot 5
Specifications 27
splits 21
T
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