Manual

ECN-680A-H61 Embedded System
Page 35
Figure 3-26: DB-9 Serial Port Connector
Step 3: Secure the connector. Secure the serial device connector to the external
interface by tightening the two retention screws on either side of the connector.
Ste p 0:
Figure 3-27: DB-9 Connector Pinout Location
The pinouts of the RS-232 serial ports are shown below.
Pin Description Pin Description
1 -NDCD2 2 -NDSR2
3 NSIN2 4 -NRTS2
5 NSOUT2 6 -NCTS2
7 -NDTR2 8 -XRI2
9 GND 10 N/A
Table 3-1: RS-232 Serial Ports Pinouts (COM2)