Chapter 2 interfacing, Electrical power, Chapter 2 – NavCom RT-3020 Rev.D User Manual
Page 15: Interfacing

RT-3020 User Guide - Rev. E
Chapter 2
Interfacing
This chapter details the RT-3020
GPS
sensor
connectors and status display. Appropriate sources of
electrical power, and how to interface the
communication ports.
Electrical Power
Electrical power is input thru a 4-pin
LEMO
female
connector located on the front panel of the RT-3020,
and labeled ‘DC PWR.’ The pin designations are shown
in Table 1; see Figure 2 for pin rotation on unit.
Pin Description
1
2
Return
3
4
Power Input 10 to 30 VDC
Table 1: External Power Cable Pin-Out
Pins 1 and 2 are connected together inside the RT-3020
GPS
sensor. Pins 3 and 4 are connected together inside
the
GPS
sensor.
When using an external power cable longer
than 5m (15ft), it is recommended that positive voltage
2-13