User's Manual Part 6

264 of 285
PRC-2090 Docking Station – Rear Panel Connector Pin Outs
ESU/CW Socket
6 pin waterproof panel mounted socket
Pin Name Description of function Level
A
1PPS
1 PPS from External Syncronisation
Unit (ESU)
TTL
B NMEA + NMEA data input +5VDC
C +5 +5V for ESU power +5VDC
D CW key CW key input Active low 0V
E Gnd Ground Ground 0V
F N/C Not connected