CALREC
Putting Sound in the Picture
55
AUDIO I/O CONNECTIONS
All audio inputs and outputs to and
from the console processing core are
Hydra2 based.
AudioFormats
Hydra2 I/O units come in a variety of
formats and connector types, including
MADI and SDI embedders/de-embedders,
AES digital and mic/line analogue
formats, all with a variety of connector
types. Please refer to the Hydra2
installation manual for full details on I/O.
Power
All Hydra2 I/O units are fitted with dual
power supplies and IEC AC power input
connectors operating from 100-240
VAC. Both power inputs should be fed,
preferably from two separate AC sources,
to provide full redundancy. IEC ‘Y’ cords
are supplied to allow both inputs to be fed
from a single cable source, in the event
that only one supply is available, to ensure
both PSUs can always be fed.
IDconfiguration
Each I/O box in a system needs to be
given a unique hydra ID (HID), see “Hydra
IDs” on page 14 for further information.
ModularI/Ocardslots
Please note that changing the card type
fitted in a modular I/O box slot requires a
change to the network configuration. If
the order that cards are fitted in a modular
frame is important in your installation,
please discuss this with your Calrec
project engineer prior to delivery. If for
any reason the card order needs to be
changed post delivery, please contact
our Customer Support team or your local
distributor for guidance. Cards of the
same type can be interchanged with no
configuration change required. Additional
cards can be fitted in previously empty
slots without further configuration.
Hydra2connection
I/O boxes require a direct connection to a
front panel Hydra2 port on the main router
card. Each I/O box has two Hydra2 ports
to provide redundancy. Port 1 should
always connect to a primary main router
and port 2 to the secondary main router
located in the same core.
Like the Hydra2 ports on the router
card, Hydra2 connections on I/O boxes
are SFPs and therefore the connection
type required (copper/single mode fibre/
multimode fibre) needs to be specified
during the ordering process.
Note, any fixed RJ45s on the rear of
Hydra2 I/O boxes are not functional,
if copper connections are required,
copper SFPs should be specified.
ConnectionfromPrimary
Routercard
ConnectionfromSecondary
Routercard
NoConnection
FIXED FORMAT I/O REAR CONNECTIONS
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