7
Cables and Connectors
36
Epoch 25 L1/L2 GPS System User Guide
7.1
Port 1 and 2 connectors
Figure 7.1
Port 1 connector pinouts
Figure 7.2
Port 2 connector pinouts
7.2
Power/serial data cables
A data-I/O cable is supplied with the receiver. Attach the cable to the connector
.
Use the data-I/O cable for firmware upgrades to the receiver. Supply power must be
supplied to the receiver through Port 1 or Port 2, or from the internal battery.
Port 1
Port 2
Pin
Function
Pin
Function
1
N/C
1
N/C
2
Serial Port 1 RXD
2
Serial Port 2 RXD
3
Serial Port 1 TXD
3
Serial Port 2 TXD
4
N/C
4
N/C
5
Ground
5
Ground
6
N/C
6
N/C
7
Serial Port 1 RTS
7
Serial Port 2 RTS
8
Serial Port 1 CTS
8
Serial Port 2 CTS
9
+V in 1
9
+V in 2 / +V out 2
Pins 9 8 7 6
Pins 5 4 3 2 1
Pins 9 8 7 6
Pins 5 4 3 2 1
Summary of Contents for Epoch 25 L1
Page 1: ...USER GUIDE Spectra Precision Epoch 25 L1 L2 GPS System...
Page 2: ......
Page 20: ...2 Setup Connection and Cabling 18 Epoch 25 L1 L2 GPS System User Guide...
Page 30: ...4 Software Utilities 28 Epoch 25 L1 L2 GPS System User Guide...
Page 34: ...5 Specifications 32 Epoch 25 L1 L2 GPS System User Guide...
Page 44: ...B Troubleshooting 42 Epoch 25 L1 L2 GPS System User Guide...
Page 48: ...Index 46 Epoch 25 L1 L2 GPS System User Guide...
Page 49: ......
