Com Connector; Serial Ata - JHCTech WPPC-H1780T User Manual

2.3.5 COM Connector

The WPPC-H1780T/WPPC-H1580T provides 2 serial ports of COM1/2/ by 2*D-sub 9-pin connectors.
COM1/2 can be configured as RS232、RS422 or RS485 by BIOS setup. Table 2.6 for COM1/2 pin
assignments.
Table 2.6: COM1/2 Serial Ports Pin Assignments
Pin
1
2
3
4
5
6
7
8
9

2.3.6 Serial ATA

The WPPC-H1780T/WPPC-H1580T provides 1*SATA2.0, data transfer rate up to 3Gb/s.
pin assignments.
Table 2.7: Serial ATA pin assignments
Pin
1
Figure 2. 1
RS-232 Signal
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
Figure 2. 2
Signal
GND
RS-422 Signal RS-485 Signal
TX- DATA-
TX+ DATA+
RX+ NC
RX- NC
GND GND
NC NC
NC NC
NC NC
NC NC
Pin Signal
5 RX-
12
User's Manual
Table 2.7 for