Hemisphere GPS S320 - Connecting to External Devices

S320 User Guide
PN 875-0281-000 Rev C2
Chapter 2: Installation
Connecting to External Devices
You can connect the S320 to external devices via the serial and data ports on the bottom of the unit.
Serial Port Pinout Specifications
Figure 2-5 shows the DB9 serial port (female) pinout, while Table 2-3 shows the serial port pinout
specifications.
Table 2-3: Serial port pinouts
Figure 2-5: Serial port pinout
assignment
Data Port Pinout Specifications
Figure 2-6 shows the data port (ODU 9-pin) pinout, while Table 2-4 shows the data port pinout
specifications.
Table 2-4: Data port pinouts
1
9
(center pin)
3 7
Figure 2-6: Data port pinout
assignment
Note: When using the USB device end of the included data cable (Item H in Table 1-1) to connect to a
USB port on an external device make sure the S320 is already powered on.
Pin
Description
1
Not connected
2
Transmit data port (TXD)
3
Receive data port (RXD)
4
Data terminal ready (DTR)
5
Signal ground (GND)
6
Not connected
7
Request to send (RTS)
8
Not connected
9
Timing output (1 PPS)
Pin
Description
1
USB host positive
2
USB host VBS
3
Ground
4
Port B receive
5
Port B transmit
6
USB device source
7
USB device negative
8
USB host negative
9
USB device positive