MEN BL70S, User Manual

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Functional Description
20BL70S00 E3

2018-06-11 Page 57
3.13 Wireless Functionality
3.13.1 PCI Express Mini Card
The BL70S supports:

Full-Mini cards according to the PCI Express Mini Card Standard

Optional: Half-mini cards
3.13.1.1 Dual micro-SIM Card Switching
The BL70S provides two micro-SIM card sockets for one PCI Express Mini Card. Either
micro-SIM card 1 (primary) or micro-SIM card 2 (secondary) can be connected to the PCI
Express Mini Card. By default the PCI Express Mini Card is connected to micro-SIM card 1.
The power supply of the PCIe MiniCard has to be reset when switching from one micro-
SIM card to another.
See Figure 2, Board layout (PCBs inside the system) on page 13 for the position of the
PCI Express Mini Card connectors.
See Table 27, Pin assignment – PCI Express Mini Card (PCIe and USB 2.0) on page 58
for connector pinning and Table 28, Signal mnemonics – PCI Express Mini Card on
page 59 for signal mnemonics.
See the following chapters for more information on how to switch the micro-SIM
cards:

Chapter 4.1.1.1 User LED, SIM Card, PCIe MiniCard Power Signals, Ignition,
Watchdog SMB Register (
0x40) on page 63
for Windows.

Chapter 2.7.5 Configuring Wireless Functions on page 33 for Linux.