Part Number: 02153
10BaseT Ethernet port with built-in magnetics.
CMOS serial port (TX, RX, RTS, CTS, DTR, and DSR lines).
Two additional I/O lines.
Four control lines for status LEDs.
Power: 40mA @ 5V.
Fully sealed (potted) design.
Firmware is upgradeable through the serial port or network.