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Trimble R7/R8 GPS Receiver User Guide 165
Cables and Connectors 19
Trimble R8 Operation
This data cable may be used for firmware upgrades and other
computer functions with the Trimble R8. Power must be supplied to
the receiver via Port 1, or from the internal battery.
Note – Table 19.3 gives pinout information for the power/serial data
cable, (PN 32345) which is optional for use with the Trimble R8
receiver. This cable can be used for firmware upgrades through Port 1,
while also supplying external power.
Note – Table 19.3 assumes that the cable is attached to the connector
labeled Port 1.
5 GND 5 GND
7 RTS5_232 8 CTS5_232
8 CTS5_232 7 RTS5_232
9 no connection RI5_232 9
Table 19.3 Power/serial data cable pinouts
Lemo 0-shell
connector
7 Pin
Direction DE9-F connector
7 Cond
Power lead
2 Cond
Pin Function Pin Color Function Color Function
1GND
↔
5 Brown Signal ground
2GND
→
Black V-OUT
3 TX3_232
→
2 Orange TXD
4RTS/TXD
→
8Blue RTS
5CTS/RXD
←
7GreenCTS
6PWR_IN
←
Red Power IN (+)
7 RX3_232
←
3 Yellow TXD
Table 19.2 Data-I/O cable pinouts (continued)
DB-9 Female
9 Pin
DB-9 Female
9 pin
Pin Function Pin Function