User`s manual

Hardware Configuration
RUBY-9719VG2AR User’s Manual 2-5
J23 : CPU Fan connector
PIN No. Signal Description
1 GND
2 +12V
3 SENSE
4 PWM
J25 : COM4 CONNECTOR
PIN No. Signal Description PIN No. Signal Description
1 DCD#4 2 DSR#4
3 RXD#4 4 RTS#4
5 TXD#4 6 CTS#4
7 DTR#4 8 RI#4
9 GND 10 NC
J26 : POWER COM4 selection
PIN No. Signal Description
1-2 short +5V
3-4 short RI#4
5-6 short +12V
J27 : COM6 CONNECTOR
PIN No. Signal Description PIN No. Signal Description
1 DCD#6 2 DSR#6
3 RXD#6 4 RTS#6
5 TXD#6 6 CTS#6
7 DTR#6 8 RI#6
9 GND 10 NC
J28 : POWER COM6 selection
PIN No. Signal Description
1-2 short +5V
3-4 short RI#6
5-6 short +12V