IEI Integration WAFER-CV-D25502_N26002 - Manual (Page 51)

WAFER-CV-D25502/N26002 3.5" Motherboard
Page 36
3.3.2 Serial Port Connector (COM1)
CN Label: COM1
CN Type: Male DB-9 connector
CN Location: See
7
Figure 3-22
CN Pinouts: See
7
Table 3-26 and
7
Figure 3-24
The serial port connects to a RS-232 serial communications device.
Pin Description Pin Description
1 DATA CARRIER DETECT (DCD) 6 DATA SET READY (DSR)
2
RECEIVE DATA (
RXD) 7
REQUEST TO SEND
(RTS)
3
TRANSMIT DATA
(TXD) 8
CLEAR TO SEND
(CTS)
4
DATA TERMINAL READY
(DTR) 9
RING INDICATOR
(RI)
5 GND
Table 3-26: RS-232 Serial Port (COM 1) Pinouts
Figure 3-24: COM1 Pinout Locations
3.3.3 USB Connector
CN Label: USB1
CN Type: Dual USB port
CN Location: See
7
Figure 3-22
CN Pinouts: See
7
Table 3-27
The ports connect to both USB 2.0 and USB 1.1 devices.