Advanced Navigation Boreas D90 - Communication Specifications; Electrical Specifications

6.3 Communication Specifications
Interfaces Ethernet
RS232/RS422
CAN
1PPS
Speed 100 Mbit Ethernet
4800 to 4 M baud serial
Protocols Advanced Navigation Packet Protocol, NMEA or
CANopen
Peripheral Interface 2 x GPIO
1 x 1PPS Output
1 x Auxiliary RS232
1 x Alarm Output
GPIO Operating Voltage
Levels
5 V
3.3 V
RS232
GPIO Functions 1PPS input/output
Odometer input
DVL/USBL input
Air Data input
Zero velocity input
NMEA input/output
Novatel GNSS input
Trimble GNSS input
Advanced NavigationPacket Protocol
CAN/CANopen
Table 14: Communication Specifications
6.4 Electrical Specifications
Parameter Minimum Typical Maximum
Operating Voltage 9 V 36 V
Input Protection -200 V +200 V
Power Consumption 10 W without GNSS
12 W with GNSS
15 W
Inrush Current 1.67 Aat 12 V
0.79 Aat 24 V
RS232
Tx Voltage Low -5.4 V -5 V
Tx Voltage High 5 V 5.4 V
Tx Short Circuit Current ±60 mA
Rx Threshold Low 0.6 V 1.2 V
v1.2 Page 16 11 Oct 2022
Boreas Reference Manual • Specifications