102 Zeta
Digital Broadcast Production Console
The Hydra I/O Rack offers the ability
to carry mic/line input and line output
circuits; and digital inputs and outputs via
the networking system to one or more
Calrec digital consoles.
Modular Structure
There are 14 modular slots across the
width of the unit, labelled A to N. Input,
output, processor and DC PSU modules
fit into these slots, in accordance with
the requirements of the installation.
Input and output modules receive and
transmit either analogue or digital audio
signals, dependant on type, to the Gigabit
interface processor via a 32 bit TDM buss.
All 14 slots may be used by any of the
modules in any combination. However, it
is advised that the three slots at the right
hand side of the unit are best occupied
by a processor control unit and provision
for two DC PSU modules, the second
of which would be the optional hot-
spare. If no spare DC PSU is present,
either a blank panel must be fitted or the
processor unit could move into slot M
allowing a twelfth input or output module
to be fitted into slot L.
Input and output modules are available
with or without ground lift switches. On
modules with switches fitted, the ground
is lifted if the switch is toggled to the right.
mOdular I/O bOx
Dimensions
Each modular unit is 1.2 inches (30.48
mm) wide.
Module Extraction
In some applications, it is envisaged
that modules within the Hydra I/O Rack
could occasionally be changed according
to changing requirements. To aid this
operation, a module extraction hole is
located on the module front panels. The
module slides into the Hydra I/O Rack
on two runners, one each at the top and
bottom of the rack. The rear interface
connector on the module then locates into
the appropriate connector located on the
backplane. To aid accurate plugging-up,
some guide strips are located between
the three interface connectors on the
backplane.
External Connections
All external connections are located on
the front face of the Hydra I/O Rack.
Space must be allowed in excess of the
box dimensions to feed cables to the front
interface from any rear access routes.
Mounting
The Hydra I/O Rack is mounted in place
using 4 fixing screws on each side
angle bracket. No additional support is
necessary.
Fan Operation
To dissipate the heat, 3 low-noise fans
are located in the rear of the Hydra I/O
Rack. They are controlled from the DC
power supply unit. The rack’s rear panel
has venting holes which must not be
obstructed in any way.
If the ambient temperature within the
rack is below 50°C (122°F) the fans are
inactive.
Between 50°C (122°F) and 55°C (131°F)
they are operating at slow speed.
Between 55°C (131°F) & 60°C (140°F)
the speed increases to fast.
When the internal ambient temperature
reaches 60°C (140°F), the OVER TEMP
red LED on the DC power supply unit will
light.
Over 70°C (158°F) the DC power supply
unit is disabled, but the fans will continue
to function.
Earthing
The box is fitted with an external earth
stud on the rear, for connection to an
external earthing system. No AC mains
power is contained within the rack. All
power connections should be un-plugged
prior to removing the earth connection.
Optional Rack-Mounted AC Power
Supply Unit
A 2U rack-mounted power supply is
available to provide the DC power for the
Hydra I/O Rack. This holds up to four AC
PSU modules. One module could provide
power for a fully populated Hydra I/O
Rack, with a second providing redundancy.
Two other modules could be fitted to
power a second Hydra I/O Rack.
Dimensions
7U X 482mm (19 inch )
Depth
265mm (10.4 inches)
Содержание Zeta
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Страница 23: ...calrec com Putting Sound in the Picture ZETA Inputs And Outputs...
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Страница 47: ...calrec com Putting Sound in the Picture ZETA Memory System...
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Страница 61: ...On Screen Patching calrec com Putting Sound in the Picture ZETA...
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Страница 81: ...Engineering Information calrec com Putting Sound in the Picture ZETA...
Страница 99: ...calrec com Putting Sound in the Picture ZETA Hydra Audio Networking...
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Страница 113: ...calrec com Putting Sound in the Picture ZETA Programming Utility...
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Страница 119: ...calrec com Putting Sound in the Picture ZETA Setup Application...
Страница 131: ...calrec com Putting Sound in the Picture ZETA Appendix A Offline Editor...
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Страница 139: ...calrec com Putting Sound in the Picture ZETA Appendix C Version Changes...
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