JHCTech WPPC-H1580T, User Manual

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User’s Manual
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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.
Figure 2. 1
Table 2.6: COM1/2 Serial Ports Pin Assignments
Pin RS-232 Signal RS-422 Signal RS-485 Signal
1 DCD TX- DATA-
2 RxD TX+ DATA+
3 TxD RX+ NC
4 DTR RX- NC
5 GND GND GND
6 DSR NC NC
7 RTS NC NC
8 CTS NC NC
9 RI NC NC
2.3.6 Serial ATA
The WPPC-H1780T/WPPC-H1580T provides 1*SATA2.0, data transfer rate up to 3Gb/s. Table 2.7 for
pin assignments.
Figure 2. 2
Table 2.7: Serial ATA pin assignments
Pin Signal Pin Signal
1 GND 5 RX-