UMTS/HSPA+/LTE Standard Module Series
Mini PCIe-C EVB User Guide
Mini_PCIe-C_EVB_User_Guide 28 / 39
The figure and table below illustrate the pin assignment and pin definition of UART interface J301.
1
2 3 4 5
6
7
8 9
Figure 24: Pin Assignments of UART Interface J301
Table 10: Pin Definition of J301
Pin No.
Signal Name
I/O
(Module Direction)
Description
1
RS232_DCD
DO
Data carrier detection
2
RS232_RXD
DO
Receive data
3
RS232_TXD
DI
Transmit data
4
RS232_DTR
DI
Data terminal ready
5
RS232_GND
/
GND
6
NC
/
Not connected
7
RS232_RTS
I
Request to send
8
RS232_CTS
O
Clear to send
9
RS232_RI
O
Ring indicator
