GNSS Compass Reference Manual
Page 30 of 85
Version 1.1
13/01/2021
Pin
Colour
Function
1
Red
Power Supply
2
Black
Power Ground
3
Green
Primary RS422 Tx(+) / RS232 Tx
4
Green/White
Primary RS422 Tx(-)
5
Purple
Primary RS422 Rx(+) / RS232 Rx
6
Purple/White
Primary RS422 Rx(-)
7
Brown
Secondary RS422 Tx(+) / RS232 Tx
8
Brown/White
Secondary RS422 Tx(-)
9
Pink
Secondary RS422 Rx(+) / RS232 Rx
10
Pink/White
Secondary RS422 Rx(-)
11
Grey
Signal Ground
12
White
CAN Hi
13
Blue
CAN Lo
14
Orange
Alarm Hi
15
Orange/White
Alarm Lo
16
Yellow
1PPS Out
17
Grey/White
Signal Ground
18
Bare
Drain Wire (attach to power ground)
Table 18: Unterminated serial cable pin allocation table
7.12
Certification
The GNSS Compass is designed to meet IMO wheelmark for MED/4.7 Speed and Distance
Measuring Equipment (SDME) and MED/4.41 Transmitting Heading Device (THD, GNSS method)
based on the Directive 2014/90/EU.
Models GC-SER-LC and GC-SER-HA are pending certification to the following standards.
IMO Standards
ISO/IEC Standards
IMO Res.MSC 116(73)
ISO 22090-3:2014
IMO Res.MSC 191(79)
IEC 60945 (2002) incl. IEC 60945 Corr. 1 (2008)
IMO Res.A.694(17)
IEC 61162-1 ed4.0 (2010-11)
IEC 61162-2 ed1.0 (1998-09)
IEC 62288 Ed. 2.0 (2014-07)
Table 19: Standards for GC-SER-LC and GC-SER-HA
Models GC-POE-LC and GC-POE-HA are pending certification to the following standards.
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