LTE Module Series
LTE OPEN EVB User Guide
LTE_OPEN_EVB_User_Guide 39 / 62
The pin assignment and pin definition of J0501/J0502/J0503 are illustrated below.
8
9
1
2
3
4
5
6
7
Figure 32: Pin Assignment of J0501
Table 17: Pin Definition of J0501
8
9
1
2
3
4
5
6
7
Figure 33: Pin Assignment of J0502
Pin No.
Signal Name
I/O
Description
1, 6, 7, 8, 9
/
/
Not connected
2
RS232_RXD
DI
Receive Data
3
RS232_TXD
DO
Transmit data
4
RS232_DTR
DI
Data terminal ready
5
RS232_GND
/
GND
