IEI Integration NANO-LX v1.00 - Manual (Page 76)

76 IEI ® Technology, Corp.
Figure 3-27: NANO-LX CPU Board Rear Panel
3.3.1 RS232 Serial Connector
CN Label: CN21
CN Type: RS-232
CN Pinouts: See Table 3-30 and Figure 3-28
CN Location: See Figure 3-27
The RS-232 Serial connector provides serial connection in the RS-232 mode.
PIN DESCRIPTION PIN DESCRIPTION
1 DCD 6 DSR
2 RXD 7 RTS
3 TXD 8 CTS
4 DTR 9 RI/Vout
5 GND
Table 3-30: CN21 Pinouts
Figure 3-28: CN21 Pinout Locations