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LDK 5481 + LDK 4700 User’s Guide | DigiLink system 1-4
1.4.3 Stand alone SDI coax configuration
A camera head with an LDK 5481/00 adapter can be connected to a recorder unit using an
SDI coax cable. Only the SDI signal is passed via the coax cable. The maximum length of cable
that can be used is 300 m (1000 ft). High quality coax cable should be used (for example,
Belden 1694A). The DC power supply for the camera is supplied directly to the adapter.
Figure 1-4. Stand alone SDI coax configuration
1.4.4 Stand alone multicore configuration
A camera head with an LDK 5481/00 adapter can be connected to a recorder using a
multicore cable. Power can be supplied by the recorder via the multicore cable or directly to
the adapter itself. To avoid degradation in the video signal, the maximum cable length is
restricted to 5 m (17 ft) when the component outputs are used in the recorder.
If the recorder uses the SDI signals, then the maximum length of cable depends on the ability
of the recorder unit to supply sufficient power to the camera. When the adapter is powered
directly the maximum length is 100 m (330 ft). With minimum power supplied from the
recorder unit the maximum length is 25 m (80 ft).
Figure 1-5. Stand alone multicore configuration
☞
Note
Always use a listed 26-pin CCZ-A multicore cable compliant with EBU N21 (for example, Draka
multicore camera cable type 755-2 PVC)
SDI coax cable
SD Camera head
LDK 5481/00
DigiLink Adapter
Clear
ND1/4
ND1/16
ND1/64
Clear
Star 4P
Star 6P
Soft Focus
Smart
card
P
o
w
e
r
o
n
P w
el
1
2
3
4
A
B
C
D
Video recorder
LCP 100
LC
P
1
0
0
l
o
c
a
l
c
o
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p
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o
n/o
f
f
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ra
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TR
start/
stop
G
a
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F
unc
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!
B
at
t
T
a
p
e
n
d
/r
e
optional LDK 5901
DC power supply
26-pin CCZ-A Multicore cable
SD Camera head
LDK 5481/00
DigiLink Adapter
Clear
ND1/4
ND1/16
ND1/64
Clear
Star 4P
Star 6P
Soft Focus
Smart
card
P
o
w
e
r
o
n
P
w
e
l
1
2
3
4
A
B
C
D
Video recorder
LCP 100
LC
P
1
0
0
l
o
c
a
l
c
o
n
t
ro
l
p
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n
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l
V
T
R
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f
O
p
erate
VTR start/stop
G
a
i
n
B
l
a
c
k
Function
!
B
a
tt
T
a
p
e
n
d
/re
optional LDK 5901
DC power supply