Instruction Manual
WAFER-CV-D25502/N26002 3.5" Motherboard
Page 30
Pin Description Pin Description
1 DCD 2 DSR
3 RXD 4 RTS
5 TXD 6 CTS
7 DTR 8 RI
9 GND 10 GND
Table 3-17: RS-232 Serial Port Connector Pinouts
3.2.16 RS-422/485 Serial Port Connector
CN Label: COM6
CN Type:
4-pin wafer
CN Location:
See 7Figure 3-17
CN Pinouts:
See 7Table 3-18
This connector provides RS-422 or RS-485 communications.
Figure 3-17: RS-422/485 Connector Location
Pin Description Pin Description
1 RXD422- 3 TXD422+/TXD485+
2 RXD422+ 4 TXD422-/TXD485-
Table 3-18: RS-422/485Connector Pinouts
Use the optional RS-422/485 cable to connect to a serial device. The pinouts of the DB-9
connector are listed below.










