Certus OEM Supplement
Page 13 of 23
Version 1.0
22 Jan 2021
7.2
Communication Specifications
Parameter
Value
Interfaces
Ethernet
UART
CAN
1PPS
Speed
100Mbit (Ethernet)
4800 to 4M baud (UART)
125000 to 1M baud (CAN)
Protocols
AN Packet Protocol
NMEA 0183
NMEA 2000
TSS1
Simrad
Peripheral Interface
2x GPIO for serial, timing, digital inputs/ outputs
GPIO Operating Voltage Levels
Disabled, 3.3 V, 5 V or RS232
GPIO Port Serial Interface
RS232
GPIO Port Serial Speed
4800 to 250K baud
Default Primary, Auxiliary, GPIO Serial Speed
115200 baud
Table 6: Communication specifications for OEM variants