The Lantronix part: MO11AA002-01R has gone EOL (end of life).
The Lantronix CoBox Micro Embedded Device Server is a board level Device Server for OEM design engineers who want to embed proven mainstream Ethernet networking and connectivity into their products quickly and economically. The CoBox Micro Embedded Device Server brings over a decade of networking experience, rock-solid firmware and extensive applications support in industrial and commercial environments that require dependable networks. Measuring only 1.6 in x 1.9 in, the CoBox Micro can easily fit into almost any size device that would benefit from integrated network connectivity. Serial interfacing is accomplished via a TTL connector and for Ethernet access, an RJ45 (10BASE-T) is available. The CoBox Micro from Lantronix supports the same IP protocol stack found on the other Lantronix CoBox products.