Raha tsy voatanisa ny toerana misy anao dia safidio ny iray amin'ireto manaraka ireto:
Renesas Electronics America Inc.
IC TRANSCEIVER RS232 16-TSSOP.
IC RCVR RS485/422 QD ESD 16TSSOP.
MaxLinear, Inc.
IC TXRX RS232 ESD SD 16TSSOP.
Analog Devices Inc.
IC TXRX RS-232 5V 0.1UF 28TSSOP.
IC TXRX RS233 28TSSOP.
Texas Instruments
IC DVR QUAD EIA-422/485 16-DIP.