IEI Technology MODAT-335, User Manual, Page: 36 / 74

MODAT-335A Field Service Terminal
Page 26
3.6.1 RS-232 Serial Port
The MODAT-335A docking cable has a male DB-9 connector that provides connection to
an RS-232 serial device. Follow the steps below to connect a serial device to the
MODAT-335A.
Step 1: Locate the DB-9 connector
. The location of the DB-9 connector is shown in
42
Figure 3-11
.
Step 2: Insert the serial connector
. Insert the DB-9 connector of a serial device into
the DB-9 connector of the docking cable. See
42
Figure 3-12
.
Figure 3-12: 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.
Step 0:
The RS-232 serial port pinouts are shown in the following table.
Pin Description Pin Description
1 DCD 6 DSR
2 RX 7 RTS
3 TX 8 CTS