Mura bhfuil do shuíomh liostaithe, roghnaigh ceann amháin díobh seo a leanas le do thoil:
Maxim Integrated
IC TXRX RS232 1MBPS SD 16TSSOP.
IC TXRX RS232 250KBPS SD 16TSSOP.
Texas Instruments
IC ADSL DUAL DIFF RCVR 8-MSOP.
Renesas Electronics America Inc.
IC LINE DRIVER XDSL DIFF 8-SOIC.