AR2412 Getting Started Guide 2 AP9991 iss.3
Copyright © 2021 Allen & Heath Ltd, Kernick Industrial Estate, Penryn, TR10 9LU, UK. All rights reserved.
Connection, Automatic firmware matching and LED behaviour
When powered, the ‘Power On’ LED near to the mains power connection will illuminate.
On connection to a mixer, the AR2412 will automatically check and match its firmware to the mixer model
and mixer firmware version.
If an update to firmware is required, it will happen automatically. This may take up to 2 minutes to
complete. During an update, the port ‘Lnk/Err’ LED will flash red and once the update is complete, the
AR2412 will automatically reboot.
When running the correct firmware and connected to a mixer, the ‘Lnk/Err’ LED next to the dSnake port
will flash yellow to show link activity and the ‘Ready’ LED on the front panel will illuminate.
AR2412 Front Panel Layout
Input sockets 24 balanced XLR mic/line inputs. The preamps are built into the AR2412 and
their Gain, Pad and 48V phantom power are controlled remotely from the mixer via the dSNAKE link.
Refer to mixer documentation for information on patching these sockets to input channels or other
destinations in the system.
Output sockets 12 balanced XLR outputs operating at nominal +4dBu line level. Refer to mixer
documentation for information on patching output signals to these sockets.
dSNAKE port EtherCon/RJ45 socket to connect directly to the mixer. This carries inputs,
outputs and ME/monitor sends to and from the AR2412 as well as preamp control and system status
messages.
EXPANDER port EtherCon/RJ45 socket to connect a ME/monitor system.
EXPANDER port EtherCon/RJ45 socket to connect an AB168, an AR84 or a ME/monitor
system.
EtherCon locking connectors are recommended to prevent damage to cables or ports and
avoid accidental disconnection.
Read the Safety Instructions Sheet included with the product and the information printed on the panel before operating.
A limited one-year manufacturer’s warranty applies to this product, the conditions of which can be found at:
www.allen-heath.com/legal
By using this Allen & Heath product and the software within it you agree to be bound by the terms of the relevant End User Licence Agreement
(EULA), a copy of which can be found at: www.allen-heath.com/legal
Register your product with Allen & Heath online at: http://www.allen-heath.com/support/register-product/
Check the Allen & Heath website for the latest documentation and software updates.
www.allen-heath.com
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