Switches And Buttons - Quectel SC20-CE User Manual

Table 7: Pin Assignment of J901
J401 Pin Name
1
2 RS232_TXD
3 RS232_RXD
4
5 RS232_GND
6
7 RS232_CTS
8 RS232_RTS
9

3.6. Switches and Buttons

Smart EVB comprises nine buttons (S901/S902/S903/S904/S905/S906/S907/S908/S909) and four
switches (S801/S802/S803/S804). Description of switches and buttons is shown as below.
Smart_EVB_User_Guide
1 2 3
6 7 8
Figure 15: Main UART Port (J901)
I/O
I
O
I
O
Confidential / Released
Smart EVB User Guide
4 5
9
Description
Not connected
Transmit data
Receive data
Not connected
Ground
Not connected
Clear to send
Request to send
Not connected
LTE Module Series
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