NavCom SF-2040 Rev.F - Manual (Page 30)

SF-2040 User Guide – Rev. F
Table 3: Optional DC Power Cable Pin Assignments
Color Signal Pin No
Black 1
Brown
Return
2
Red 3
Orange
Power
4
Figure 2: Optional DC Power Cable
The GPS sensor is protected from reverse polarity
with an in-line diode. It operates on any DC voltage
between 10 and 30 VDC, 8 watts (maximum).
‡
Voltages less than 10VDC turn the
unit off. To turn the unit on, power
must be in the 10 to 30 VDC range.
Press and hold the I/O switch in for
more than 3 seconds.
To set the receiver to power up as
soon as power is applied to the DC
Input port, refer to the StarUtil Users
Guide, Power Management or the
Technical Reference Manual, 0x32
Power Mode Configuration.
Voltages in excess of 30VDC will
damage the unit. The power supply
must be well conditioned with surge
protection. Vehicular electrical systems
2-28