Installation manual
POWER SUPPLY 
The operation voltage is 24 VDC. Note that long-term operation below 24 VDC 
should be avoided. 
It is recommended supply to provide supply from the ship hot 24 VDC power 
bus. 
Maximum peak power requirement for F33 is 110 W and maximum average 
power consumption is 60 W. 
If a 24 VDC power bus is not available, an external 115/230 VAC to 24 VDC 
power supply can be used. 
EQUIPMENT VENTILATION 
To ensure adequate cooling of the transceiver a 5 cm unobstructed space must 
be maintained around all sides of the unit (except the bottom side). 
Transceiver Unit ambient temperature range: -25 to +55°C.   
Failure to comply with the rules listed above will void the 
warranty! 










