9
CN2: COM1 RJ45 Connector
Pin #
Signal Name (RS-232)
1
RTS, Request to send
2
DTR, Data terminal ready
3
TXD, Transmit data
4 Ground
5 Ground
6
RXD, Receive data
7
DSR, Data set ready
8
CTS, Clear to send
CN4: USB Connector
CN5, CN9: LAN Connectors
CN7, CN8: SATA HDD Connector
Pin #
Signal Name
1 Ground
2 TX+
3 TX-
4 Ground
5 RX-
6 RX+
7 Ground
J1, J3, J7, J19: Power Output Connector
Pin #
Signal Name
1 +5V
2 GND
3 GND
4 +12V
J2: Front Panel Function Connector
Signal Name
Pin #
Pin #
Signal Name
PWR LED +
1
2
SPK +
NC 3
4 NC
PWR LED- (GND)
5
6
SPK – (GND)
NC 7
8 +5V
GND 9
10 NC
GND 11
12 NC
PWR_SW 13
14 PWR_SW
SLED+ 15
16 SLED-
GND 17
18 RST
HDD LED +
19
20
HDD LED -
J4: COM2 Serial Port
Pin #
Signal Name (RS-232)
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal ready
5 Ground
6
DSR, Data set ready
7
RTS, Request to send
8
CTS, Clear to send
9
RI, Ring indicator
10 No
Connect.
1
4
