User guide

ECW-281B-D2550 Embedded System
Page 36
3.8.4 RS-232 Serial Port Connectors
CN Type:
DB-9 male connector
CN Location:
See
Figure 1-3
CN Pinouts:
See
Table 3-7 and Figure 3-29
RS-232 serial port devices can be attached to the DB-9 ports on the rear panel.
Step 1: Locate the DB-9 connector. The locations of the DB-9 connectors are shown
in
Figure 1-3.
Step 2: Insert the serial connector. Insert the DB-9 connector of a serial device into
the DB-9 connector on the external peripheral interface. See
Figure 3-28.
Figure 3-28: RS-232 Serial Device 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.