Specifications and Ordering Info

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The EM203A has several versions available. Device numbering scheme is as follows:

 

EM203A_numbering_system

Examples of valid model numbers

 

Model number

Description

EM203A-00

Connector configured to mate with the EM203A jack/magnetics module, the module will be supplied with the "serial-to-Ethernet" firmware

EM203A-D-00

Connectors configured to mate with the host PCB, the module will be supplied with the "serial-to-Ethernet" firmware

EM203A-DP-00

Connectors configured to mate with the host PCB, the module will be supplied with the TiOS firmware

Ordering the EM203A and RJ203A module combination

The EM203A can also be ordered in combination with the RJ203A module. To receive these two modules pre-assembled together, please specify "RJ203A+EM203A" on your order if you wish to receive the EM203A with the "serial-to-Ethernet" firmware preloaded, or "RJ203A+EM203A-P" if you wish to receive the EM203A with the TiOS firmware preloaded.

Specifications

 

Ethernet interface

10/100BaseT Ethernet, magnetics not built-in

Serial ports

1 port, CMOS-level

UART capabilities

Baudrates up to 115'200bps; none/even/odd/mark/space parity and 7/8 bits/character;  full-duplex UART mode with optional flow control* and half-duplex UART mode with automatic direction control*; RX, TX, RTS*, CTS*, DTR*, and DSR* lines.

LEDs

x4 : red and green status LEDs*, yellow and green Ethernet status LEDs

Max. load current for each I/O line

10mA

Supported network protocols*

UDP*, TCP*, ICMP (ping)*, and DHCP*.

Nominal power supply voltage (VCC pin)

DC 5.0V, +/- 5%

Device reset

Proper reset must be provided externally, RST pin has active HIGH polarity

Max. operating current

220mA

Operating temperature

-20 to +70 degrees C

Operating relative humidity

10-90%

Mechanical dimensions (excl. leads)

30.1x18.1x12.5mm

Packaging

EM203A devices: tray, 30 modules/tray

EM203A+RJ203A module combination: tube, 10 modules/tube

 

* Implemented in (supported through) firmware.

 

Note: all specifications are for reference only. TIBBO assumes no responsibility for any errors which may appear in this Manual, and does not make any commitment to update the information contained herein.