CSI Wireless SBX-3, Reference Manual

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SBX-3 Reference Manual
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Input
Table 3-2 provides pin-out information for connector J2:
Table 3-2 SBX-3Connector J2 Pin-out (Samtec TSW-11207-T-D)
Pin Signal Description
1, 2 Ant. Power In Antenna Power Supply Input: 5 or 12 VDC
3, 4 SBX-3 Power In Receiver Power Supply Input: 5 VDC +/- 5%
14 TXD0 Output, 5V HCMOS NMEA, RTCM, and Status Output
15 TXD1 Output, 5V HCMOS NMEA and Status Output
16 Lock Lock Indicator (1.5 mA maximum, active
high)
17 RXD0 Input, 5V HCMOS Command / Query Input
18 RXD1 Input, 5V HCMOS Command / Query Input
19 Internal Reset Output Internal Reset Output (active low)
20 External Reset Input External Reset Input (active low)
21, 22 Ground System Ground
23,24 Ground System Ground
3.4.1 Antenna Interface
Power may be supplied to the antenna externally through the SBX-3
OEM beacon receiver in one of two ways:
•
Connect Pin 4 of J1 to the antenna power supply (+5 or +12 VDC) and
connect pin 1 or 3 to the power ground (pin 21, 22, 23, or 24 of J2).
- Or -
•
Connect Pin 1 and 2 of SBX-3 connector J2 to the associated power supply
(+5 or +12 VDC) and connect the power ground to pin 21, 22, 23, or 24 of
J2.
Pin 4 of connector J1 is internally connected to Pins 1 and 2 of
connector J2.
Antenna signal input to the receiver is provided via Pin 2 of J1.
Note - The power applied to the SBX-3 externally for powering
the antenna is internally coupled to the signal input pin (Pin 2 of