LT1137ACSW#PBF Multichannel Line Transceiver, RS-232 3-TX 5-RX, 5 V, 28-Pin. RS232 Transceiver and Line driver/receivers provide a range of single ended configurations. The data transmission RS232 is also known as TIA-232 supplies serial interface data rates up to 10 Mbps. The RS232 standard states the electrical characteristics and connector for point-to-point modem interface.