Chapter 6
50 Phoenix 300 Installation & Operation Manual
Position Accuracy Chart
TABLE 3. Correction Source Accuracy Chart
Configuration
Rear Panel Serial Interfaces
The Phoenix 300 has two bidirectional RS-232 serial interfaces. Each port is assigned a single letter in
uppercase, “A” or “B,” and each one provides communication between the Phoenix 300 receiver and external
guidance or navigation devices.
TABLE 4. Serial Port Pins
Differential Source Direction Accuracy
WAAS Horizontal RMS <1 m (39 in)
OmniSTAR
®
VBS Horizontal RMS <0.7 m (27 in)
OmniSTAR
®
XP Horizontal RMS <0.15 m (6 in)
OmniSTAR
®
G2 Horizontal RMS <0.2 m (8 in)
OmniSTAR
®
HP Horizontal RMS <0.1 m (4 in)
GS-Satellite Horizontal RMS <0.1 m (4 in)
GS-Slingshot Horizontal RMS 0.1 to 0.15 m (~4 to 6 in)
RTK Horizontal RMS 1 cm (0.4 in) + 1 ppm
PORT A PORT B
Pin Signal Name Pin Signal Name
1 Port “A” TX 1 Port “B” TX
2 Port “A” RX 2 Port “B” RX
3GND 3GND
4 4 RADAR
55
6 Ext. PWR 6 Ext. PWR
7GND 7GND