User's Manual

Doc #: 1ANSU-160004
DNI SGDC-D22 User Manual
i. 5
Interface
Description
Note
SIM Card &
SD Card Slots
1
RS-485 pin define:
Serial Port
Device Name
Software
Switch Command
Hardware
PIN Definition
RS-485
(2-wire)
/dev/ttyM1
setport 1
PIN 1: GND
PIN 2: DATA(A)
PIN 3: DATA(B)+
RS-422
(4-wire)
/dev/ttyM1
setport 0
PIN 1: GND
PIN 2: RX
PIN 3: RX+
PIN 4: TX+
PIN 5: TX
LED display:
Feature
Description
Note
Power
Power indicator
Turn on when power on.
Ready
Get the system ready information and turn on the
ready LED when data collector connect to data
center and get response from communication
server.
Turn on when connect to data
center.
RS-232
TxD × 1, RxD × 1
Blink when communication.
RS-485
TxD × 1, RxD × 1
Blink when communication.
3G
3G connection indicator.
Turn on when 3G connected.
3G
Signal Strength
1
5 levels for ZigBee signal strength indicators.
LAN10 / LAN100
2 for 10/100Mbps speed indicators
Blink when communication.
2.2. Software Information
Software Package
STLinux 2.3 or above
Operation System
Linux kernel 2.6.37 or above