M260 Series IP MODEM User Manual
Yifan Industry Co., Ltd.
Page 11 of 33
Tel: +86 592 6101492
Fax:+86 592 5222813
Email: [email protected] , [email protected]
Website: www.yifanwireless.com
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 antenna to the female SMA outlet of the IP MODEM tightly.
Warning: The antenna 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
RS232 RX (TTL logic level)
7
TX2
RS232 TX
Reserved compatible ADC and
RS232 TX (TTL logic level)
8
A
RS485 anode
Reserved compatible ADC
9
B
RS485 cathode
Reserved compatible ADC
10
IO1
GPIO
Reserved compatible pulse wave
input counter, ADC, and pulse
output
11
IO2
GPIO
Reserved compatible pulse wave
input counter, ADC, and pulse
output
12
ADC1
ADC
N/A
