SIMCOM_EVB Kit_User Guide_V1.02
www.simcom.com
13 / 22
4. Test Interface
Figure6: Test interface overview
4.1 Test Point A
Figure7:Test Point A
Test point A Pin description:
Pin
Signal
I/O
Description
1
PWRKEY
I
Power on key
2
RESET
I
Reset key
3
DBG_RXD
I
Receive data
4
DBG_TXD
O
Transmit data
5
RI
O
Ring Indicator
6
DCD
O
Data carrier detection
7
DTR
I
Data Terminal Ready
8
RXD
I
Receive data
9
CTS
O
Clear to Send
10
RTX
I
Request to Send
11
TXD
O
Transmit data