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Hardware Configuration
RUBY-D716VG2AR User’s Manual
2-7
J12/J13/J14/J15/J17/J18/J19/J20: COM3~COM10 Serial Port Connector
PIN No. Signal Description
PIN No.
Signal Description
1
DCD (Data Carrier Detect) 2
DSR (Data Set Ready)
3
RXD (Receive Data)
4
RTS (Request to Send)
5
TXD (Transmit Data)
6
CTS (Clear to Send)
7
DTR (Data Terminal
Ready)
8
RI (Ring Indicator)
9 GND
(Ground)
10 N/C
J16: CPU FAN Power Connector
PIN No.
Signal Description
1 Ground
2 +12V
3
Fan on/off output
4
Fan Speed control
J25/J24/J23/J22: External USB Connector
PIN No. Signal Description
PIN No.
Signal Description
1
5V Dual
2
5V Dual
3 USB-
4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
9
10 N/C