Quectel RMU500-EK - (U)SIM Card Interface; (U)SIM Interface Details

5G Module Series
RMU500-EK User Guide
RMU500-EK_User_Guide 15 / 28
Figure 6: Connection Between PC and EVB
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.
(U)SIM card connector
USIM_VDD
USIM_CLK
USIM_DATA
USIM_RST
Module
J401
C1
C5
C6
C2
Push-Push
USIM_VDD
USIM_DATA
USIM_RST
USIM_CLK
USIM_DET
GND
USIM_DET
C3
C7
C4
C8
CD
GND
VPP
RESERVED
RESERVED
Figure 7: Simplified Connecting Schematic for (U)SIM Card Connector J401