3
1 Definition
1.1 Hardware interface
SAT802 host provides five external interfaces, that's Power supply & Data transmission
interface, Handset interface, Iridium antenna interface, GSM antenna interface and GPS
antenna interface as shown below.
1.1.1 Definition of power supply & data transmission interface
Pin
color
Signal
Name
Direc
tion
Description
Remark
Pin 1
Red
Power
IN
Power Input
Range
：
9 -- 36V DC
Pin 2
Orange/black
ISO_GND -
Isolated Ground
Pin 3
DB9 Port of
Multi-functio
n cable
TXD
OUT
Transmit
Standard
RS232,
Able to
connect
to
other
devices
Which have RS232
Pin 4
RXD
IN
Receive
Pin 5
Signal
Ground
-
Ground
