R U/L/H Series
User Guide, Rev. 00 (May 2015)
11
PIN*
Upper row
Function
PIN*
Lower row
Function
1 ADC
IN1
2 ADC
IN2
3 DAC
OUT
4
GND (not main supply input)
5
GND (not main supply input)
6
GND (not main supply input)
7 IN1
8 IN2
9 IN3
10 IN4
11 OUT1
12 OUT2
13 OUT3
14 OUT4
15 I2C
SDA
16 I2C
SCL
17 CAN
L
18 CAN
H
19
GND (not main supply input)
20
+3.3V output, 75mA max.
GND – ground.
Do not connect directly with minus of power supply input.
1.3.1.7
SIM card holders
SIM card holders are placed in front panel of U/L/H. To insert SIM card into the extractable holder
push yellow button and take holder out
. Place SIM card as show in the picture. To operate the
module in a GSM network, it is necessary to insert at least one SIM card obtained from the network
operator.