+5 V Powered RS-232/RS-422 Transceiver
IC Txrx RS-232 RS-422 24-DIP
5V RS-232/RS-422 Bus Transceiver, 5Mbps, 3 Tx/2 Rx, PDIP
Triple Transmitter Dual Receiver RS-232/RS-422 24-Pin PDIP N Tube
