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HARDWARE INSTALLATION
42
SETUP FOR AVB ETHERNET AUDIO INTERFACE
OPERATION
Your MOTU hardware can serve as an Ethernet
audio interface when connected to a recent
generation AVB-equipped Mac. You can then use
your MOTU interface as a standard multi-channel
audio interface with any Core Audio compatible
host software running on the Mac.
For Ethernet audio interface operation, you need:
■ A recent Mac (any Mac that has a Thunderbolt
port on it)
■ macOS El Capitan (10.11)
■ Firmware version 1.2.5 or later in your MOTU
interface
☛ This procedure requires macOS 10.11. Under
macOS 10.10, 10.12 or 10.13, performance is
unreliable, and we do not recommend direct AVB
connection. For information about future macOS
updates, please contact MOTU tech support.
Ethernet connection to the Mac
As shown on page 36, connect the network port
on your MOTU interface to the Ethernet port on
the Mac using a standard, high-grade (CAT-5e or
CAT-6) network cable up to 100 meters in length.
☛ If your Mac doesn’t have an Ethernet port,
you can connect your MOTU interface via
Ethernet using a Thunderbolt-to-Ethernet
adapter. Ethernet might be preferable over
Thunderbolt because the Ethernet cable can be up
to 100 meters long, using standard Ethernet
cabling (which is very affordable).
☛ USB-to-Ethernet adapters cannot be used
because the Mac’s USB chip set does not support
AVB Ethernet.
Alternately, you can connect both the Mac and the
interface to an AVB-compatible Ethernet switch.
Web app setup
To set up your MOTU device as an AVB Ethernet
audio interface:
1 Before you begin, launch Audio MIDI Setup
and make sure your MOTU interface is unchecked
(disabled) in the Network Device browser window
(Window menu).
2 Launch the MOTU Discovery app. From the
Advanced tab (page 86), check the provided box
for the Ethernet port. This enables Virtual Entity
mode on the Mac.
☛ If no check box is present, try connecting a
Thunderbolt-to-Ethernet adapter to your Mac.
3 After completing step #2 above, the Mac will
appear in the AVB device list in the MOTU Pro
Audio Control web app, as shown below in
Figure 5-6).
☛ PLEASE NOTE: it may take several minutes
for the Mac to appear in the list, the first time you
set this up. After the first time, though, you won’t
experience any delays. Once it appears, click to
select it.
Figure 5-6: Accessing the AVB settings for the Mac in the MOTU web
app.
4 From the Configuration menu (Figure 5-6),
choose the channel mode for the Mac that best fits
your workflow.
Mac virtual entity
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