SVP UDT-4K, Manual

Page: 134 / 193

UDT-4K UHD HEVC Digital Camera Transmitter
MANUAL V0
134
Weight on Wheels System (WoW)
Pin 4 of this connector is prepared for automatically shut down the
transmission when the aircraft lands.
If the transmitter detects a voltage higher than 15 Volts in this input, the
transmission is cut, until this voltage disappears.
If the voltage is less than 15 Volts, the transmission is not cut off.
6.2.2.1 BUC Connection pinout
When the Transmitter is configured in DVB-S/S2, the communication with the
BUC is made through a RS422 port. The pinout of the connector is indicated
on the following table:
BUC Connection pinout
Pin Description
1 GND
2 TX (-)
3 TX (+)
6 RX (+)
7 RX (-)
Table 9.5: BUC Connection pinout
6.2.2.2 PA Remote Control Cable pinout
If the transmitter is configured to be used with PA Power Amplifiers, the
communication and control is made through a RS232 port. The pinout of the
cable which interconnects the UDT-4K Transmitter and PA Power Amplifier is
indicated in the following table:
UDT-4K to PA Control Cable pinout
BUC-PA-CC Cable Connector
(Lemo FGG.0B.307)
PA Remote Cable Connector
(JD38999/26WA35SN Amphenol)
Pin 1 Pin 1
Pin 2 Pin 6
Pin 5 Pin 5
Pin 7 Pin 2
Table 9.6: UDT-4K to PA Control Cable pinout