Cables – ARIB, SMPTE & EBU mixed camera cables
Mixed camera cables have been
specially designed for HDTV
Broadcast requirements resulting
in the primary standards in Japan
and USA.
These standards are fairly similar,
except for the colour coding of
the control cores.
While the diameter of the central
strength member is the same in
both standards (1.8 mm) some
manufacturers use 1.6 mm only.
ARIB standard cable (Japanese standard)
BTA S-1005B
SMPTE standard cable (USA standard)
311
Power wire
Black (x2)
Signal wire
Red
Power wire
White (x2)
Optical fibre
Blue
Signal wire
Green
Strength member
Optical fibre
Yellow
Power wire
Black (x2)
Signal wire
Red
Power wire
White (x2)
Optical fibre
Blue
Signal wire
Grey
Strength member
Optical fibre
Yellow
Rugged HDTV camera cable
Cables in broadcast need
to have high resistance against
flexing and twisting,
which is a challenge for fragile
fibre optic cables.
These cables require good
abrasion resistance, load bearing
as well as tensile strength
capabilities.
SMPTE 311M-1998 (USA standard connector)
Optical fibre
Attenuation (1300 μm)
Core diameter
Cladding diameter
Buffer diameter
Power conductor
Conductor resistance
Insulation resistance
Withstand voltage
Typical data
0.8 dB/km
9.5 ± 1μm
125 ± 1μm
0.9 ± 0.05mm
Typical data
< 43 Ω /km
> 10000 M Ω /km
1750 Vrms
Mechanical properties
of cable
Tensile strength
Cyclic flexing
Bend radius
Signal conductor
Conductor resistance
Insulation resistance
Withstand voltage
Typical data
700N minimum
15000 cycles
7 x diameters
Typical data
< 184 Ω /km
> 10000 M Ω /km
1750 Vrms
EBU R100-1999 (European standard connector)
General specifications
Temperature
Humidity
Durability
Power conductor
Voltage
Current
www.lemo.com
Typical data
-40° C to +80° C
90-95% relative humidity at 40° C ± 2 for 96 hours
10000 cycles
Typical data
600 Vrms (maximum working voltage)
10 A (maximum working current)
Optical specifications
Fibre core/cladding ?
Insertion loss
Return loss
Signal conductor
Voltage
Current
Typical data
9/125 μm, single (SM) fibre
less than 0.5 dB at 1300 nm 2
better than -45 dB (machine polishing)
Typical data
42 Vrms or 60 Vrms (maximum working voltage)
3 A (maximum working current)
7
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