LTE Module Series
M.2 EVB User Guide
M.2_EVB_User_Guide 28 / 37
1
J504
3
5
7
2
6
4
1
3
5
7
2
6
4
1
3
5
7
2
6
4
J503
J505
Figure 22: Test Points J503, J504 and J505
Table 11: Pin Definition of J503
13
DTR
Data terminal ready test pin
14
DPR
Dynamic power control test pin
15
/
Not connected
16
/
Not connected
Pin No.
Pin Name
Description
1
VBAT
Module power supply test pin
2
COEX3
Connected directly to pin 60 of EM06 module
3
COEX2
Connected directly to pin 62 of EM06 module
4
COEX1
Connected directly to pin 64 of EM06 module
5
SIM2_VDD
Power supply for (U)SIM2 card test pin
6
GND
Ground