Unterminated Serial Cable - Advanced Navigation GC-SER-LC Reference Manual

Colour
Red Power Supply
Black Power Ground
Green Primary RS422 Tx(+) /
RS232 Tx
Green/White Primary RS422 Tx(-)
Purple Primary RS422 Rx(+) /
RS232 Rx
Purple/White Primary RS422 Rx(-)
Brown Secondary RS422 Tx(+) /
RS232 Tx
Brown/White Secondary RS422 Tx(-)
Pink Secondary RS422 Rx(+) /
RS232 Rx
Pink/White Secondary RS422 Rx(-)
Grey Signal Ground
White CAN Hi
Blue CAN Lo
Orange Alarm Hi
Orange/White Alarm Lo
Yellow 1PPS Out
Grey/White Signal Ground
Bare Drain Wire
Table 17: Serial breakout cable pin allocation table
See Table 18 to match wire colour to pin number of the Holin connector.
7.11

Unterminated Serial Cable

The unterminated serial cable is only compatible with GNSS Compass part numbers GC-SER-LC
and GC-SER-HA. It has part number GC-SER-CABLE-20M.
Connection to the GNSS Compass is made through a Holin C-Size 18 pin connector. The Holin
part number is CCN-L218SM. The connector has a bayonet lock and provides a reliable and
rugged connection to GNSS Compass under demanding conditions. It is rated to IP68 in the mated
state. The cable assembly is supplied with 20 metres of unterminated UV stable shielded cable.
Each individual wire is colour coded 26AWG wire.
This cable is intended only for customers with experience in terminating shielded cable.
Function
GNSS Compass Reference Manual
Primary Secondary
2
8
3
7
2
8
3
7
5 5
Page 28 of 85
Version 1.1
13/01/2021
CAN 1PPS
7
2
9
1
2
6 5
Power
Tip
Ring
Ring