U)Sim Interface (J401) - Quectel RMU500-EK User Manual

One end of Type-A is connected to the computer, and, when necessary (e.g. when power supply from the
Type-A connected to the PC is inadequate), the other end is connected to the auxiliary power supply.

3.1.4. (U)SIM Interface (J401)

The EVB has an 8-pin push-push type (U)SIM card (1.8/2.95 V) connector J401. The following figure
shows a simplified connecting schematic for J401.
Module
USIM_VDD
USIM_RST
USIM_CLK
USIM_DATA
USIM_DET
Figure 7: Simplified Connecting Schematic for (U)SIM Card Connector J401
RMU500-EK_User_Guide
Figure 6: Connection Between PC and EVB
C1
C5
GND
C2
C6
C3
C7
C4
C8
CD
Push-Push
USIM_VDD
GND
USIM_RST
VPP
USIM_CLK
(U)SIM card connector
USIM_DATA
RESERVED
RESERVED
USIM_DET
J401
5G Module Series
RMU500-EK User Guide
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