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SHB211 Socket P Half-Size SBC User's Manual
2.4.13 Serial Port Interface (COM1, COM2)
The serial interface for the board consists of COM1 port support
RS232/422/485(COM1) and COM2 (COM2) supports RS-232.
Pin
Signal
Data Carrier
1
Detect (DCD)
Receive Data
3
(RXD)
Transmit Data
5
(TXD)
Data Terminal
7
Ready (DTR)
9
Ground (GND)
2.4.14 SATA Connectors (SATA1, SATA2)
These SATA connectors SATA1 and SATA2 are for high-speed SATA
interface ports and they can be connected to hard disk devices.
Pin
1
GND
3
SATA_TX-
5
SATA_RX-
7
GND
28
Pin
Signal
Data Set Ready
2
(DSR)
Request to Send
4
(RTS)
Clear to Send
6
(CTS)
Ring Indicator
8
(RI)
10
NC
Signal
Pin
2
SATA_TX+
4
GND
6
SATA_RX+
7
1
Signal
Jumpers and Connectors
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