ALLEN & HEATH AR84 Manual de usuario

AR84 Getting Started Guide 1 AP9990 iss.3

AR84

Getting Started Guide

The AR84 is a 19”rack mountable remote audio unit for all Allen & Heath digital mixing systems

compatible with the dSnake protocol. It provides 8 remote controlled mic/line preamps and 4 XLR line

outputs.

Using a single network cable, the AR84 can be connected directly to the mixer or cascaded from an

AR2412 or AB168.

A maximum of two dSnake remote units can be connected to each mixer’s dSnake port.

The AR84 is used to increase the number of I/O sockets in a system and position both sockets and

AD/DA conversion close to the source/stage. It will not increase the number of processing channels

available in the system and must be connected to a mixer where the audio can be processed and routed.

Compatibility and Cable

The AR84 uses the 48kHz dSnake protocol, which is a layer 2, fast ethernet protocol designed for point-

to-point connections. This means it can be connected to the dedicated dSnake ports included on the

GLD and Qu systems or used with the intelligent SLink port which can switch to a dSnake mode.

Refer to the latest documentation for your mixer available from www.allen-heath.com for more information

on connecting, patching, and controlling the AR84 with your system.

Cat5e (or higher) STP (Shielded Twisted Pair) cable should be used, with a maximum cable length of

100m (330ft) between each unit. Use of passive couplers to join cables will reduce this distance.

High-quality touring grade cables are available through your A&H dealer. Please see www.allen-

heath.com/ahproducts/cat5/ for more details.

AR-84

AB-168

MIXER

AR-84

AR-2412

MIXER

AR84 Getting Started Guide 2 AP9990 iss.3

Connection, Automatic firmware matching and LED behaviour

On connection to a mixer, the AR84 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

AR84 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 steadily and the ‘Ready’ LED will illuminate.

AR84 Front Panel Layout

Input sockets 8 balanced XLR mic/line inputs. The preamps are built into the AR84 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 4 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 all input

and output audio to and from the AR84 along with preamp control and system status messages.

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

Check the Allen & Heath website for the latest documentation and software updates.

www.allen-heath.com

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