EA4TX RemoteBox Series Hardware Reference & Operational Manual page 25

Annex II – Elecraft K3 Band Data Connection
The Elecraft K3 has a Band Data port in the transceiver labeled ACC. It is a DB15
port that sends 4 band signals called:
BAND0, BAND1, BAND2 and BAND3
These 4 signals and the common ground are located in the following pins of the ACC
connector:
Pin 3:
Pin 5:
Pin 9:
Pin 13:
Pin 14:
This is the connection diagram between the ACC port of a Elecraft K3 and the
RemoteBox (DB9 female) Band Data port:
Hardware Reference and Operational Manual: RemoteBox
Band1 OUT
Common Ground
Band2 OUT
Band0 OUT
Band3 OUT
Page 25