Lantronix CoBox-Micro

Typical TTL-RS232 Circuits
F-2
Figure F-2: TTL-RS232 (DB-25) Circuit
Note: If you need just the DTR and DCD or RTS and CTS signals, you can
use only one Max232 chip.
Tx
Rx
CTS
GND
DCD
DTR
(DCE Configuration)
DSR
Max232
Max 232
Circuit consists of:
- 2 Max232 compatible chips
- 8 capacitors
- 1 DB-25 connector
RTS