CLP-990 65

Connections
Type of serial cables and connection pin assignments

According to the type of computer you connect, use one of the following serial cables.

Clavinova HOST SELECT switch setting

Set the Clavinova HOST SELECT switch properly according to the type of connected computer.

Macintosh: “Mac” (data transfer rate: 31,250bps, 1MHz clock)

Windows: “PC-2” (data transfer rate: 38,400bps)

If your system does not work properly with the connections and settings listed above, your software may require different

settings. Check your software operation manual and set the HOST SELECT switch to the proper data transfer rate. (Data

transfer rate of “PC-1” is 31,250bps.)

8 (CTS)
7 (RTS)
2 (RxD)
5 (GND)
3 (TxD)
1
2
3
4
8
5
• Windows (with a serial port of D-sub 9-pin)
8-pin mini DIN plug D-sub 9-pin plug
(Yamaha CCJ-PC2 or equivalent)
mini DIN
8-pin D-sub
9-pin
mini DIN
8-pin 2 (HSK i)
1 (HSK O)
5 (RxD-)
4 (GND)
3 (TxD-)
8 (RxD+)
7 (GP-)
6 (TxD+)
1
2
3
4
5
6
7
8
mini DIN
8-pin
• Macintosh
System peripheral plug 8-pin plug
(Yamaha CCJ-MAC or equivalent)
mini DIN
8-pin 5 (CTS)
4 (RTS)
3 (RxD)
7 (GND)
2 (TxD)
1
2
3
4
8
5
D-sub
25-pin
• Windows (with a serial port of D-sub 25-pin)
8-pin mini DIN plug D-sub 25-pin plug
(Yamaha CCJ-PC1NF or equivalent)
mini DIN 8-pin D-sub 25-pin
Pin numbers (view from front)
D-sub 9-pin
1
1234567891011
1415 16 17
45321
1819 20 21 22 23 24 25
1213
34
6785
29876
• Pin assignment
The following diagram shows the pin assignments
for each cable.
TIP