Instruction Manual
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 7Figure 3-22
CN Pinouts:
See 7Table 3-26 and 7Figure 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 7Figure 3-22
CN Pinouts:
See 7Table 3-27
The ports connect to both USB 2.0 and USB 1.1 devices.










