User's Manual

RW8200MB Carrier Board RS232 DB-9 Pin Definitions

The pin definitions of DB9 used on the RW8200-MB RS232 Serial Connector are as follows:

1. DCD: Input, Carrier Detect

2. RXD: Input, Received Data

3. TXD: Output, Transmit data

4. DTR: Output, Data Terminal ready

5. GND: Ground

6 DSR: Input, Data Set Ready

7. RTS: Output, Request to Send

8. CTS: Input, Clear to Send

9. RI: Input, Ring Indicator

LED Suggestion Circuit