Siemens MC55 User Manual download pdf (Page 11)

Page 11 of 31

CN6 – SIM Module/Connector

The GPRS6055ER can use either an onboard SIM module or an external SIM connected through

a cable. The GPRS6055ER-1 uses an on-board SIM module and will not have CN6 installed.

The GPRS6055ER-2 uses an external SIM module. The pin out of the external connector CN6 is

shown below.

Pin Name CN6 Description

1 GND Ground

2 Vcc SIM Power

3 RST SIM Reset

4 GND Ground

5 IO SIM I/O Data

6 GND Ground

7 CLK SIM Clock

8 IN SIM Card Detect

9 Vcc SIM Power

10 GND Ground

The figure below shows a picture of the external SIM card interface board.

ESIM2035 board

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Siemens MC55 User Manual Page 11