+-----------+                 +-----------+
|           |   Serial        |           |                +-----------+
| Switch/   | (RS232/USB)     |           |     IP         |           |
| Router/   +-----------------+ Lantronix +-------...------+ Laptop/PC |
| etc.      |                 |           |                |           |
|           |       +---------+           |                +-----------+
+-----------+       |         +-----------+
                    |
+-----------+       | Serial
|           |       |(RS232/USB)
| Switch/   |       |
| Router/   +-------+
| etc.      |
|           |
+-----------+