MEN ME4, User Manual

Page: 33 / 48

Functional Description
20ME04-00 E2

2020-02-25 Page 33
3.3.1.2 Signal Mnemonics
Table 3. Signal mnemonics – M.2 Card connector
3.3.2 SIM Card
The ME4 supports:

Micro-SIM cards
To get access to a mobile phone network you need a SIM card (subscriber identity
module) and a contract with a mobile service provider.
Signal Function
Power GND Ground
+3.3V 3.3V source
User Identity
Module Signals
(SIM Card)
UIM_PWR SIM card power
UIM_DATA SIM card data
UIM_CLK SIM card clock
UIM_RST SIM card reset
SIM_DETECT SIM card detection
Communication-
specific signals
W_DISABLE# Wireless disable
WWAN_LED WWAN LED
Supplemental
communication-
specific signals
CARD_PWR_OFF Turn off power
RST# Reset
USB 2.0 USB_D+/- USB 2.0 lines
USB 3.0 SSTX+/- SuperSpeed serial transmit lines
SSRX+/- SuperSpeed serial receive lines
Module
Configuration
Pins
CONFIG[0:3] Module configuration
See Figure 1, Front interfaces on page 11 for the position of the micro-SIM card slots.
See the LTE module documentation on the Sierra Wireless website for an
AT Command Reference to find out how to switch between the SIM cards.
Please note that MEN does not provide mobile services or SIM cards!