Furuno GS-100 Operator's Manual page 107

Data transmission
Data is transmitted in serial asynchronous form in accordance with the standard referenced in IEC
61162-1 and IEC 61162-2. The first bit is a start bit and is followed by data bits.
The following parameters are used:
Baud rate: 4800 for IEC61162-1, 38400 for IEC-61162-2
Data bits: 8 (D7 = 0), parity none
Stop bits: 1
IEC61162-1: Edition 4.0 2010-11, Third edition 2007-04
IEC61162-2: First Edition 1998-09
Schematic diagrams
DATA 1, 2, or 3 port (output)
4G
N
12G
11A
72A
93A
R17
154A
0
IEC61162-450: Edition 1.0 2011-06
5.1V_D
U9
SN65LBC172A16DWR
16
VCC
1Y 2
1Z
3
2Y
6
2Z
5
4Y
10
3Z
11
CP58
4Y 14
GPS-A
CP59
4Z
13
GPS-B
GND
8
APPENDIX 6 DIGITAL INTERFACE (IEC 61162-1/2/450)
5.1V_D
CR6 CR5 CR4
CR7 CR8
5.1V_D
CR3
1SS226_TE85L_F
TD1-A
(13A2)
TD1-B
(13A2)
TD2-A
(13B2)
TD2-B
(13C2)
TD3-A
(13A4)
TD3-B
(13A4)
AP-13