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26 VCC_5V GND 25

VCC_5V GND

Unused Unused

UART_RI Unused

UART_DSR Unused

UART_CTS UART_RX

UART_DTR Unused

Unused UART_TX

UART_RTS Unused

Unused Unused

UART_DCD Unused

Reset Unused

Unused Unused

GND Unused

Unused Unused

50 Unused Unused 1

WISM Application Note

Pin Assignment Compatibility Siemens MC55 / EZURiO

WISMC02BI and WISMC04BI

Overview

This document provides a comparative view of the pin assignments between

the Siemens MC55 GSM / GPRS Module and the EZURiO Wireless LAN

Module.

This document is to be used as a guide for pin compatibility between the two

modules, for full details of the physical dimensions and module functionality

please refer to the relevant module datasheet.

Pin Assignments

The following images show a comparison between the Siemens MC55 GSM /

GPRS Module and the EZURiO Wireless LAN Module as viewed from the

connector side.

Pin assignment Siemens MC55 Pin assignment EZURiO WISM MC55

All unused pins on the EZURiO Wireless LAN module are floating connections

and are not affected by voltage or signals if the module is used as a direct

replacement for the Siemens MC55 GSM / GPRS Module.

1 2 3

Summary of Contents

Page 1 - WISMC02BI and WISMC04BI

26 VCC_5V GND 25VCC_5V GNDVCC_5V GNDVCC_5V GNDVCC_5V GNDUnused UnusedUART_RI UnusedUART_DSR UnusedUART_CTS UART_RXUART_DTR UnusedUnused UART_TXUART_

Page 2

50 Way Hirose Connector Pin Out Signal Name (MCS55) Pin Number (MCS55) WISM Signal Name Input / Output Signal Level (at IOH, IOL = 0mA) Comments C

Page 3

BATT+ 30 VCC_5V 3.3V – 5.0V Ditto VDD 31 Unused RING0 32 UART_RI O VOLmax = 0.2V VOHmin = 2.8V DSR0 33 UART_DSR O VOLmax = 0.

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Siemens MC55 User Manual

Browse online or download User Manual for Unknown Siemens MC55. WISM Application Note Pin Assignment Compatibility Siemens [en]

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