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5.6 RS232-DB9 (J3)
This DB9 connector has main UART of the xA910 module in RS232 level. There is also DCD, RING pins from the
module in RS232 level. There is also GSM_RESET, ON_OFF input signals to GL86x module at 0-3.6 V level
directly to this DB9 connector. These extra pins allow customers to utilize the xE910 module completely.
Pin No
PIN Name
1
DCD
2
TXD
3
RxD
4
ON_OFF
5
GND
6
MODULE_RESET
7
CTS
8
RTS
9
RING
5.7 Expansion Connector Slot (J14)
Pin Type
Signal Type
O
RS232
O
RS232
I
RS232
I
0 to 3.6 (Typical
3.3)
Gnd
I
0-3.6 V (Typical
3.3)
O
RS232
I
RS232
O
RS232
Description
DCD PIN. Coming from xE910
module. This gives server
connectivity status.
Transmit Data of RS232
Reception Data for UART
ON/OFF PIN OF the module
Ground
Reset PIN of xE910 module.
Active High. (20 ms High Pulse
for reset)
Clear to Send
Request to Send
RING PIN. Coming from xE910
module. Notification status for
SMS and call.
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