Instruction Manual

IMBA-9454 Motherboard
Page 77
4.3.7 Serial Communications Connector
CN Label: 3IN1_DSUB1B
CN Type: D-sub 9 Male connector
CN Location: See Figure 4-25 (labeled 7)
CN Pinouts:
See Figure 4-33 and Table 4-33
The serial connector on the external interface panel provides serial connection in the
RS-232 mode.
Figure 4-33: Serial Communications Connector Pinout Locations
PIN DESCRIPTION
1 DATA CARRIER DETECT (DCD)
2 RECEIVE DATA (RXD)
3 TRANSMIT DATA (TXD)
4 DATA TERMINAL READY (DTR)
5 GROUND (GND)
6 DATA SET READY (DSR)
7 REQUEST TO SEND (RTS)
8 CLEAR TO SEND (CTS)
9 RING INDICATOR (RI)
Table 4-33: COM1 RS-232 Mode Connector Pinouts
4.4 On-board Jumpers
The NANO-4386A has fifteen on-board jumpers. Refer to Section 5.4 for jumper
configuration settings.