ComNav G2 - System Interface; Power

ComNav G2 & G2B Installation & Operation Appendices
Document PN 29010093 V1.5 - 61 - 16 December 2016
Adjacent Channel Rejection 61 dB @ ±400 Hz offset
Compliance IEC 61108-4 Beacon Standard
Table 14 – DGPS Beacon Receiver Specifications
System Interface
Parameter Specification
Ports
• Port 1 – RS-232 full duplex
• Port 2 – RS-422 full duplex, isolated
• Port 3 – RS-422 output, isolated. Optional
Baud Rate 4800 – 115200
Data Output Protocol NMEA 0183, proprietary ASCII (see Table 7 )
NMEA 2000
Data Input Protocol NMEA 0183 proprietary
NMEA 2000
Timing Output 1 1 PPS, 50 ns accuracy
(CMOS level, active Hi, rising edge)
Optional
Heading warning I/O Open relay system indicates invalid heading
Table 15 – System Interface Specifications
1 The 1 PPS Timing output is NOT available for those units with Port 3.
Power
Parameter Specification
Main Supply Voltage 10 to 36 VDC
Network Power 9 to 27 VDC
Power Consumption < 3 W nominal,
250 mA (max) @ 12 VDC
NMEA 2000 LEN 1 (Interface only)
6 (when powered by the network power)
Table 16 – Power Specifications