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44 HYDRA2
Installation Manual
Fixed Format I/O
FIXED FORMAT I/O OVERVIEW
A range of different fixed format I/O
boxes are available to provide the
quantity and type of signal format
required where it is needed.
Each type of fixed format I/O box contains
a set number of inputs and outputs, all of
the same type / signal format. The term
‘fixed format’ differentiates this type of
I/O box from modular I/O racks which can
be custom populated with mixed signal
formats in varying quantities.
Mounting
All Hydra2 I/O boxes are fitted with
racking angles, designed for mounting
into standard 19” equipment bays.
Airflow
Units can sit, or be mounted directly on
top of, and beneath other equipment—no
spacing above or below is required for
cooling. Airflow is via the side panels,
which should be left unobstructed.
All units, other than MADI I/O, have
fan assisted airflow. A single, high
specification, low noise fan is mounted
to the right hand side panel, expelling air
from the unit. Fans are run under-voltage
to further increase reliability and reduce
acoustic noise, ensuring suitability for
locating within studios.
Power
All units are fitted internally with 2 x AC
PSUs, each with its own IEC mains input
connector, to provide redundancy against
both internal PSU failure, and external AC
mains loss. Where possible, the two IEC
connectors / PSUs should be fed from
separate AC sources. Units are supplied
with IEC ‘Y-split’ cables to maintain
redundancy by allowing both PSUs to be
fed from a single AC outlet / cable, if that
is all that is available.
Hydra2networkconnections
I/O boxes interface with the Hydra2
network via rear-mounted, hot-
pluggable SFP slots to allow Cat5e
copper, singlemode, or multimode fiber
connectivity. All units have 2 x Hydra
ports - a primary / normally active, and
a secondary / backup. Port 1 of an I/O
box should connect to a primary Hydra2
router card, port 2 should connect to the
secondary router card fitted in the same
rack. Note, any fixed RJ45s (as oppose
to pluggable SFPs) on the rear of Hydra2
I/O boxes are not functional.
GPIO
Most fixed format I/O units can be fitted
with an optional GPIO card that provides
8 inputs and 8 outputs whose functions
are assignable by any control surface on
the network. A range of functions can be
assigned, including Autofader and path
Cut/On trigger inputs, fader open/start
and error alert outputs.
Reset
The reset button can be used to perform a
‘soft’ or ‘hard’ reset.
Press RESET to perform a soft reset.
Press RESET and hold until the FAN FAIL
LED is illuminated to perform a hard reset.
Note: Splats may be emitted from
analog outputs during a hard reset.
Please ensure loudspeakers are
disconnected/powered down before
performing a hard reset.
FRONT PANEL STATUS LED’S - NORMAL CONDITION
In normal operation, front panel LEDs should be as shown above:
• PSU - ON solid green
• Fan - OFF
• Port 1/2 Con - ON solid yellow
• Port 1/2 Act - FLASH (fast) green
• Status 1 - ON solid green
• Status 2 - FLASH (slow) green*
• Status 3 - FLASH (slow) green*
• Status 4 - No function**
• Status 5 - ON solid red
• Status 6 - ON solid red
• Status 7 - ON solid red
• Status 8 - OFF
Содержание Hydra2
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