CALREC Putting Sound in the Picture 31
CARD TYPES AND LAYOUT
Card layout
The Apollo core has 10 module/card slots.
A slot should only be fitted with a module
of the correct type for the slot. Slots are
labelled for their type across the top.
Two of each type of processing card
are fitted to provide comprehensive
redundancy. The left hand card of each
pair, labelled #1 is the primary/normally
active card. The right hand of each pair,
labelled #2 is the secondary, hot-spare
card.
A second pair of router cards can be fitted
in the expansion slots if required to double
the number of Hydra2 I/O ports available.
Both PSU cards when fitted are active
and share the load of the whole core.
Only one PSU is required to power the
core however we recommend that both
are fitted and fed to provide redundancy.
Reset, sync interface & fan status
Across the top of the card frame are the
resets and sync interface. Three buttons
can individually reset the control, router
and DSP cards within the core. A fourth
button is the enable which must be
pressed at the same time as any of the
resets as a safety precaution. Be cautious
if resetting the routers/expanders, other
consoles on the same Hydra2 network
may be using I/O connected to the routers
in the core being reset.
FIGURE 1 - FRONT VIEW - FULLY POPULATED 8U APOLLO CORE
Air intake and cable-tray Cable-tidy clips
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