Yamaha Clavinova CLP-170 Owner's Manual page 64

Connections
2.
Using a MIDI interface and the Clavinova's MIDI connectors
Connection
Use a MIDI interface device to connect a computer to the Clavinova using special MIDI cables.
MIDI
OUT
Clavinova HOST SELECT switch setting
Set the Clavinova HOST SELECT switch to "MIDI."
64
CLP-170/150
Clavinova
IN OUT
MIDI
MIDI OUT
IN
MIDI
IN
MIDI interface
Windows
(CLP-170)
THRU
PC-2 Mac
MIDI USB
HOST SELECT
MIDI
IN
MIDI
OUT
MIDI interface
Macintosh