This miniature RS232 to TTL converter supports all RS232 interface signals (RXD, TXD, DTR, DSR, RTS, CTS, DCD, RI) and is configured for DCE/Modem devices, with TXD as the RS232 input and RXD as the output. It features a standard female DB9 connector on the RS232 side and 2.54 mm goldpins on the TTL side, operating with a voltage of 3…5.5 V.