10 Cables and Connectors
66 Trimble R6/R7 GPS and Trimble R8 GNSS Receivers User Guide
Trimble R7 GPS Receiver Operation
10.1Port 1, 2, and 3 connectors
Figure 10.1 Trimble R7 GPS receiver serial ports
Figure 10.2 gives pinout requirements for the connector labeled Port 1. The pin
locations for the Port 2 and Port 3 connectors are identical.
Figure 10.2 Pinout connectors for all ports
Table 10.1 Trimble R7 GPS receiver port pinout functions
Pin Pinout function
Port 1 (TSCe controller,
event, or computer)
Port 2 (Power in,
computer, PPS, or event)
Port 3 (External radio or
power in)
1 Signal GND Signal GND Signal GND
2 GND GND GND
3 TX data out (TXD1) TX data out (TXD2) TX data out (TXD3)
4 RTS1 1PPS RTS3
5 CTS1/Event 2 Event 1 CTS3
Port 1 Port 2 Port 3
7
1
3
6
4
2
5
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