LTE-A Module Series
UMTS<E EVB R2.0 User Guide
UMTS<E_EVB_R2.0_User_Guide 29 / 44
The figure and table below illustrate the pin assignment and pin definition of J401 and J402.
1
2
3
4
5
1
2
3
4
5
6
7
8
9
Figure 25: Pin Assignment of UART Connector J401
Table 9: Pin Definition of J401
Pin No.
Pin Name
I/O
Description
1
DCD
DO
Data carrier detection
2
RXD
DI
Receive data
3
TXD
DO
Transmit data
4
DTR
DI
Data terminal ready
5
GND
/
GND
6
DSR
/
Not connected
7
RTS
DI
Request to send
8
CTS
DO
Clear to send
9
RI
DO
Ring indication
