Overview
The EM203 is a compact serial-to-Ethernet module designed for integration with the RJ203 jack/magnetics, occupying minimal board space. It is compatible with Tibbo Device Server Toolkit software and can function as a BASIC-programmable controller with TiOS firmware. The module is not available in the U.S.

Features
- 10/100BaseT Ethernet port with auto-MDIX
- Four onboard LEDs
- One TTL serial port
- Compact dimensions: 30.1x18.1x12.5mm
- Compatible with RJ203 jack/magnetics

Specifications
- Ethernet port based on DM9000B or DM9000EP controller IC
- TTL serial port with multiple control lines
- Power consumption: 220mA @ 5V
- Firmware upgradeable via serial port or network

Serial-over-IP Firmware
- Supports full- and half-duplex serial port modes
- Offers server, client, and routing network modes
- 8KB data buffers for bidirectional data
- Configuration stored in EEPROM
- Setup via serial port or network
- Remote control of serial port lines
- Supports UDP, TCP, ARP, ICMP, DHCP, PPPoE, LCP

Tibbo Device Server Toolkit (TDST) Software
- Includes Connection Wizard, DS Manager, Virtual Serial Port Driver, and Tibbo Monitor
- Facilitates setup, management, and monitoring of Tibbo device servers

For more information, visit Tibbo's website.