Furuno BACK GP-80 - Manual (Page 75)

A-3
Digital Interface (IEC 61162-1)
Output sentences of channel 1, 2, 3, 4 (DATA 1, DATA 2, DATA 3, DATA 4)
AAM, APB, BOD, BWC, BWR, BWW, GGA, GLL, RMB, RMC, VTG, WCV, WNC, WPL,
XTE, ZDA, ZTG, RTE, DTM
Input sentences of channel 1 (DATA 1, DATA2, DATA4)
DBT, DPT, MTW, TLL
Transmission interval
All sentences output at the interval selected (00-90 s).
Load requirements as listener
Isolation: Optocoupler
Input impedance: 470 ohms
Max. voltage:
±
15V
Threshold: 3 mA (in case of connection of FURUNO device talker)
Data transmission
Data is transmitted in serial asynchronous form in accordance with the standard referenced in
2.1 of IEC 61162-1. The first bit is a start bit and is followed by data bits.
The following parameters are used:
Baud rate: 4800
Data bits: 8 (D7 = 0), parity none
Stop bits: 1
D0 D1 D2 D3 D4 D5 D6 D7
Start
bit Stop
bit
Data bits