001package jmri.jmrix.xpa;
002
003import jmri.SystemConnectionMemo;
004
005/**
006 * Abstract base for classes representing an XPA+Modem communications port
007 *
008 * @author Paul Bender Copyright (C) 2004
009 */
010public abstract class XpaPortController extends jmri.jmrix.AbstractSerialPortController {
011    // base class. Implementations will provide InputStream and OutputStream
012    // objects to XpaTrafficController classes, who in turn will deal in messages.
013
014    protected XpaPortController(SystemConnectionMemo connectionMemo) {
015        super(connectionMemo);
016    }
017}