F8916-L Series IP MODEM User Manual
Xiamen Four-Faith Communication Technology Co.,Ltd.
Page 14 of 39
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Installation of SIM/UIM card:
Firstly power off the IP MODEM, and press the out button of the SIM/UIM card outlet
with a needle object. Then the SIM/UIM card sheath will flick out at once. Put SIM/UIM
card into the card sheath (Pay attention to put the side which has metal point outside), and
insert card sheath back to the SIM/UIM card outlet.
Warning:
Forbid to install SIM/UIM card when powered!
Installation of antenna:
Screw the SMA male pin of the cellular antenna to the female SMA outlet of the IP
MODEM with sign “ANT”.
Screw the SMA male pin of the LoRa antenna to the female SMA outlet of the IP
MODEM with sign “LoRa”.
Warning: The cellular antenna and the LoRa antenna can not be connected wrongly.
And the antennas must be screwed tightly, or the signal quality of antenna will be
influenced!
User Interface Signal Definition
Pin
Number
Signal Name
Default Function
Extensible Function
1
PWR
Power input anode N/A
2
GND
Power Ground
N/A
3
RX1
RS232 RX
N/A
4
TX1
RS232 TX
N/A
5
GND
System Ground
N/A
6
RX2
RS232 RX
Reserved compatible ADC and
