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LDK 5481 + LDK 4700 User’s Guide | DigiLink system 1-3
When a DC power cable is used to power the camera from the base unit, refer to section
3.5.13 for the pin layout of the DC connector. The maximum length of the cable depends on
the type of cable and the power used by the camera. The table below is an indication of the
cable lengths that can be used.
Table 1-2. cable length indication for DC power cable
☞
Note
Always use a power cable from the portable power cables category, type W, G, G-GC or PPE.
The cable must be listed in accordance with NEC article 400 of ANSI/NFPA70.
1.4.2 DigiLink system multicore configuration
A camera head with an LDK 5481/00 adapter can be connected to the LDK 4700/10 base unit
using multicore cable. The maximum length of cable that can be used is 75 m (250 ft). The
base unit can supply power for the camera via the multicore cable. The power consumption
of the camera may reduce the maximum length of cable that can be used, so alternatively, the
power for the camera can be supplied directly to the adapter from the optional LDK 5901
power supply.
Figure 1-3. DigiLink system multicore connection
☞
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.)
listed cable
type
cable cross
section
max. length
(3A/40W)
max. length
(5A/60W)
AWG 20 0.75 mm
2
50 m 30 m
AWG 18 1.0 mm
2
75 m 45 m
AWG 16 1.3 mm
2
125 m 75 m
26-pin CCZ-A Multicore cable
max. length 75m (250ft.)
SD Camera head
LDK 5481/00
DigiLink Adapter
Ready On-air
Clear
ND1/4
ND1/16
ND1/64
Clear
Star 4P
Star 6P
Soft Focus
Smart
card
Power
on
P wel
1
2
3
4
A
B
C
D
LDK 4700/00 DigiLink Base Unit
OCP 400/10
RS-422 with
powerline LDK8121/xx
max. length 25m. (82ft.)
mains power
optional LDK 5901
DC power supply