NavCom RT-3020 Rev.D - Manual (Page 15)

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
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