NavCom RT-3020 Rev.F - Manual (Page 31)

RT-3020 User Guide – Rev. F
Chapter 2 ................................. Interfacing
This chapter details the RT-3020 GPS sensor
connectors, LED display, appropriate sources of
electrical power, and how to interface the
communication ports.
Electrical Power
A 4-pin LEMO female connector provides electrical
power to the RT-3020. It is located below the
indicator panel labeled DC PWR. Pin assignments
are given in Table 2; see Figure 4 for pin location on
the connector.
Table 2: External Power Cable Pin-Out
Pin Description
1
2
Return
3
4
Power Input 10 to 30 VDC; 5W
Pins 1 and 2 connect to the same internal point in the
RT-3020. Likewise, pins 3 and 4 connect to the same
internal point. The supplied power cable is
constructed using 26 AWG wire.
‡
Power cable longer than 5m (15ft) must make
full use of all four power pins.
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