4 software features, 1 enhanced easy gprs extension, 1 overview – Rainbow Electronics GC864-PY User Manual

Page 26

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Telit GE864 and GC864 Product Description

80273ST10008a Rev. 14 - 18/09/08

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

page 26 of 62

4 Software Features

4.1 Enhanced Easy GPRS Extension

4.1.1

Overview


The Easy GPRS feature allows the

Telit GE864 / GC864

user to contact a device in internet and establish

with it a raw data flow over the GPRS and Internet networks.
This feature can be seen as a way to obtain a "virtual" serial connection between the Application
Software on the Internet machine involved and the controller of the

Telit GE864 / GC864

module,

regardless of all the software stacks underlying.
An example of the protocol stack involved in the devices is reported:

























This particular implementation allows to the devices interfacing to the

Telit GE864 / GC864

module the

use of the GPRS and Internet packet service without the need to have an internal TCP/IP stack since
this function is embedded inside the module.
Easy GPRS overcomes some of the known limitations of the previous implementation and implements
some new features such as:

N

N

e

e

t

t

w

w

o

o

r

r

k

k

I

I

n

n

t

t

e

e

r

r

w

w

o

o

r

r

k

k

i

i

n

n

g

g

L1

IP

V. 24

Serial Line

Driver

EASY

GPRS

Local

Application

V. 24

Data on

Board

EASY

GPRS

TCP/UDP

IP

L1

L2

IP

L2

IP

TCP/UDP

Remote

Application

V

V

i

i

r

r

t

t

u

u

a

a

l

l

S

S

e

e

r

r

i

i

a

a

l

l

L

L

i

i

n

n

k

k

Controller

Device

Telit‘s

Module

GPRS Network and Internet

Remote

Device

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