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A
sync reference needs to be provided for the system to function correctly when connected to external digital
equipment. If the generator does not provided multiple buffered outputs then a separate distribution amplifier will also be
needed.
• Recommended source of sync is: 3'14-:+;/*+4(1Vp-p, SD
N
OTE 1
, PAL, NTSC, Composite, B&B). Alternative sources
are $47*)14)0 or /*.
• Sync is required at the console surface. Consoles that feature processor redundancy will require two separate sync
cables, one to each processor – sync should not be daisy-chained between units.
• Sync is required by each Alpha-Link LIVE-R I/O unit
NOTE 2
.
• Sync will be required by a MORSE router.
NOTE 1
– The console processor is also able to accept
HD
and
Tri-level
sync reference signals. However, the Alpha-Link LIVE
and MORSE units cannot accept HD sync signals so a source of SD sync will still be a requirement.
NOTE 2
– Remotely located Alpha-Link LIVE units may optionally be configured to use their incoming MADI signal as the sync
reference. Note however, that when operating in this mode, the inherent nature of the MADI signal means there will be a
degradation of jitter performance and redundant-processor systems may experience a slight delay and/or drop of audio if it
becomes necessary to re-reference to the backup MADI stream.
$ !&% ' % &##%
The console surface and all external I/O racks are mains powered. All units are fitted with
auto-sensing power supplies so do not require voltage selection adjustment.
All power inlets use detachable IEC-type mains leads. The leads supplied are 2m in length
and the cable diameter is approximately 6mm. The free end of each lead is unterminated and
will need to be connected to a suitable outlet. C10 HD systems are equipped as standard
with dual redundant power supplies for ‘On-Air’ resilience so are fitted with two separate IEC
mains input connectors. (See note on UPS provision below).
The inrush current present when powering the console can be significant – typically ten times the steady current – so the use
of ‘slow’ or ‘motor’ rated fuses or circuit-breakers is recommended.
The console power rating label will be located adjacent to the mains input connectors beneath the rear of the console.
Power ratings are listed in Appendix A.
&!$!# '$
Where either supply of mains power is provided from an uninterruptable source (UPS) the output waveform of the
UPS equipment must be of the sinusoidal variety. Switched or stepped output waveforms may cause damage to the console
power supplies so must not be used.
# &
A standard system should not require any additional grounding over and above that supplied by a correctly installed mains
supply. All rack unit cases are permanently bonded to mains earth. A mains earth connection via the mains inlet must be
provided.
All audio connectors, both analogue and digital, have their screen pins connected directly to the chassis at the point of
entry to comply with AES/EBU EMC grounding standards.
!+).3/)'1+6:/7+2+398
389'11'9/43'3:'1 +)9/437+5'7'9/43? '-+
Mains supply
requirements are:
• 100V – 240V ±10%
• AC Only
• 50 – 60 Hz
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