10 CALREC
Hydra2 I/O Product Guide
The Fieldbox provides 8 balanced
analogue mic/line level inputs, and 8
balanced analogue line level outputs,
in a compact, cost-effective package.
Enclosure
The Fieldbox is 220mm wide x 384mm
deep x 40mm (<1U) high. Threaded fixing
holes in the base allow the unit to be
secured in place if required.
Cooling
This is a fanless design that is cooled
through natural convection and radiation.
If not being used in a cooled environment,
please allow for 45mm (1.75’) clearance
on the top and sides from other heat
generating equipment.
Power
The Fieldbox contains a single AC mains
PSU that can be fed 100-240V AC via
a rear mounted IEC connector. The IEC
connector has a retaining clip that can
hold some types of IEC cables in place.
The cable supplied with the unit has a built
in latching mechanism and does not need
to be clipped in place.
A 10-30V DC input allows an optional
external PSU to be connected to provide
power redundancy if required.
Batterypoweredoperation
The DC input is also suitable for use with
batteries. Batteries can be used as a
backup to the internal AC supply, or as
the primary power source. There is no
drain on the battery whilst the unit is fed
with AC, yet switch-over from AC to DC is
seamless.
System Status warnings are issued
across the network and front panel LED
indication is provided if the battery level
is low.
A wide range of suitable batteries are
commonly available from broadcast
suppliers. Costs vary significantly based
on run time and other factors. Calrec
recommends the use of Anton Bauer
G150 batteries in conjunction with their
QR-UNIV XLR mount to provide a runtime
in excess of 12 hours. ‘Hot-swap’ battery
mounts are also available to fit 2 batteries
that can be individually swapped out
without interrupting operation.
The DC input is protected by ISO 7637-2
circuitry against surges, reverse polarity
and other external power faults.
Hydra2networkconnection
A pair of rear mounted SFP slots provide
primary and secondary connections for a
Hydra2 network. Various fibre and copper
SFP modules can be supplied.
Note that SFP design varies depending
on manufacturer, please ensure that SFPs
are correctly latched in place after fitting
them. In the event that a connection is
not automatically established after hot-
plugging an SFP, please reset the unit the
SFP is plugged in to.
Like all other Hydra2 I/O, the Fieldbox
must be given an ID, unique amongst
all the I/O on the network, before being
connected. The ID is a value from 1 to
255, set as a binary representation using
DIP switches accessible from the rear.
For further guidance, please refer to the
I/O Box Identification section, under Fixed
Format I/O in the Hydra2 Installation
manual.
Another DIP switch accessible from the
rear sets whether the unit is to network via
Hydra2 or AoIP. Please ensure this switch
is set to the Hydra2 position for normal
operation.
AoIP
A card slot within the unit will allow for
future upgrades to AoIP networking.
More information on AoIP connectivity
will be provided when module options are
available.
FIELDBOX - FRONT VIEW
FIELDBOX8IN(XLR)/8OUTANALOGUE(D-TYPE)“TASCAM”STANDARD
AD6217-2
