Kui teie asukohta pole loendis, valige üks järgmistest:
Texas Instruments
IC DUAL EIA-232 DRVR/RCVR 16DIP.
ON Semiconductor
IC LINEDRVR QUAD EIA485 16-DIP.
IC HI-PWR DIFF DRIVER AMP 8-DIP.
Maxim Integrated
IC TXRX RS-232 W/SHTDWN 28-SOIC.
IC TXRX RS-232 W/CAP 28-SOIC.
IC RS-232 DRVR/RCVR 28-SOIC.