Telit Wireless Solutions ME910G1-WW - General purpose IO

ME910G1 HW Design Guide
1VV0301593 Rev.3 Page 53 of 97 2020-03-24
RS232
Pin
Signal
PAD
Name
Usage
1
C109/DCD
N14
Data Carrier Detect
Output from the ME910G1 that
indicates the carrier presence
2
C104/RXD
M15
Transmit line *see
Note
Output transmit line of ME910G1
UART
3
C103/TXD
N15
Receive line *see
Note
Input receive of the ME910G1
UART
4
C108/DTR
M14
Data Terminal Ready
Input to the ME910G1 that
controls the DTE READY
condition
6
C107/DSR
P14
Data Set Ready
Output from the ME910G1 that
indicates the module is ready
7
C105/RTS
L14
Request to Send
Input to the ME910G1 that
controls the Hardware flow control
8
C106/CTS
P15
Clear to Send
Output from the ME910G1 that
controls the Hardware flow control
9
C125/RING
R14
Ring Indicator
Output from the ME910G1 that
indicates the incoming call
condition