AD7028 Cellular Router User Manual
Tel:+86 592-6195619 Fax:+86 592-6195620 E-mail:
Page 13 of 41
Web:
Add: NO.146-148, 2nd XingBei Road, JiMei District, XiaMen, China.
6
6
7
7
8
8
RS232 cable (
one end is DB9F
)
Cable color
DB9F pin number
Blue
2
Brown
3
Black
5
The signal definition of the DB9F serial communication interface is as follows:
RS485 cable:
Cable color
Signal definition
Red
RS485+ (A)
Black
RS485- (B)
2.4 Power
Power Adapter (Optional)
The power range of the router is DC 5~60V.
Warning: When we use other power, we should make sure that the power can supply
power above 6W, and the power ripple less than 300mV.
2.5 Indicator Lights Introduction
Indicator status description
：
Indicator
POWER
(Red)
MODULE
(Blue)
SIM
(Green)
STATUS
(Green)
Description
ON
X
Alternate Fast Blink
Module is turned on in AT mode
ON
X
OFF
Slow Blink
Initialize the module
ON
Fast Blink
OFF
Slow Blink
The system is dialing
ON
X
Slow Blink
OFF
Waiting for activation
ON
X
Alternate Slow Blink
The system dials successfully, the module
is in data mode but the centers are not
