F2X14-E Series IP Modem User manual
Xiamen Four-Faith Smart Power Technology Co.,Ltd
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Floor 11, Area A06, No 370, chengyi street, Jimei, Xiamen.China
Page 14 of 31
Hotline
:
400-8838-199
Tel
:
0592-6300320
Fax
:
0592-5912735
17
SIMVCC
SIM Power
18
SIMCLK
SIM Clock
19,20
GND
Signal (power)
ground
21
SLC
IIC Clock signal
IIC Interface
VIH>=2.0
VIL<=0.8
VOH>=2.5
VOL<=0.5
22
SDA
IIC Data signal
23
GND
Signal (power)
ground
24
AI0
Analog signal input Input voltage range:0V~3.3V
25
TXD2
Serial port 2: Send
data
3.3V TTL level
VOH>=2.5
VOL<=0.5
26
Online
Output, indicate the
module is online
Low-level (Default)
High-level (After GPRS is
online)
VOH>=2.5
VOL<=0.5
27
LED_MODULE
Output, indicate
module status
See table in section 2.7
28
RXD2
Serial port 2: Receive
data
3.3V TTL level
VIH>=2.0
VIL<=0.8
29
LED_SIM
Output , indicate SIM
card status
See table in section 2.7
30
LED_STATUS
Output, indicate
Modem operation
status
See table in section 2.7
31
TXD1
Serial port 1: Send
data
3.3V TTL level
VOH>=2.5
VOL<=0.5
32
RXD1
Serial port 1: Receive
data
3.3V TTL level
VIH>=2.0
VIL<=0.8
33,34,35,36
GND
Signal (power)
ground
37,38,39,40
Power supply
V+
POWER
DC 3.6~9V