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Ublox SARA-R422 Development Guide
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SARA-R42 - Appl
ication note
UBX-20050829 -
R02
Appendix
Page
56
of
58
C1
-Public
Appendix
A
Glossary
Abbreviation
Definition
CHAP
Challenge han
dshake authenti
cation protocol
DCE
Data Circuit-termin
a
ting Equip
ment* / Data Co
mmunicati
on Equipment*
DL
Down Link (Rec
eption)
DRX
Discontinuous R
eception
DTE
Data Terminal E
quipment
eDRX
Extended DRX
FW
Firmware
HW
Hardware
LPWAN
Low Power Wide Ar
ea
Network
LwM2M
Lightweight M2
M
MNO
Mobile Networ
k Operator
MO
Mobile Origin
ated
MT
Mobile Termin
ated
NVM
Non
-Volatile Me
mory
NW
Network
OPLMN
Operator Publi
c Land Mobil
e Network
PAP
Password authe
ntication pr
otocol
PLMN
Public Land
Mobile Network
PPP
Point-
to
-Point Protocol
PSM
Power Saving M
ode
RAT
Radio access t
echnology
RPLMN
Registered Pu
blic Land Mo
bile Network
SW
Software
TAU
Tracking Are
a Update
UE
User Equipment
URC
Unsolicited R
esult Code
Table
18
: Explana
tion of the
abbrevia
tions and ter
ms used
55
57
Table of Contents
Document Information
2
Contents
3
Table of Contents
3
1 Introduction
6
2 Cellular Technology Overview
7
Radio Access Technologies (Rats)
7
LTE Cat M1
7
NB-Iot
7
Gsm/Egprs
8
Low Power Profile Features
8
3 Application Design and Development
9
Initial Design Decisions
9
Application Stages
10
Persistent Configurations
10
Power On/Boot/Psm Exit
10
Network Registration
10
IP Acquisition
10
Core Application
11
Power-Off
11
Application Modes
11
Debug / Test Mode
11
Production Testing
11
Certification Mode
11
Firmware Update Mode
11
4 AT Commands Response Parser
12
Operational Modes of the at Interface
12
Unsolicited Result Code
13
5 Local Connectivity
14
Serial Interface Configuration
14
Auxiliary (AUX) Serial Interface Configuration
14
AT Interface
15
Set a Fixed Baud Rate
15
Multiplexer (MUX)
15
Point-To-Point Protocol (PPP)
16
Generic Guidelines
16
6 MNO Profiles
17
Using MNO Profiles
17
Modifiable Parameters
17
MNO Profile Setting Examples
18
Global Profile (+UMNOPROF: 90)
18
Standard Europe (+UMNOPROF: 100)
18
Gcf-Ptcrb (+Umnoprof: 201)
18
SIM ICCID Select Profile (+UMNOPROF: 1)
18
7 Network Registration
20
Band Configuration
20
Scan Time
20
First Time Registration Setup
21
Pap/Chap
21
Change of PDN Settings (APN Name and PDP Type)
21
Attach Types
22
Radio Policy Manager
23
UMACQOSTMR Timer Configuration
23
Registration Monitoring
24
Detecting the Access Technology
24
PS Connections at RAT Change
24
Mobility Scenarios
25
Mobility Management Procedures
25
8 PSM, Edrx and Deep-Sleep Mode
26
Power Saving Mode (PSM)
26
GSMA Recommendations
26
Timer Values
27
PSM and Roaming
28
Example of Usage of PSM
28
Deep-Sleep Mode
29
Deep-Sleep Aware Applications and Deep-Sleep Postponing
29
Deep-Sleep Indications
30
Deep-Sleep State in out of Service
30
Edrx
30
Edrx Deep-Sleep and Paging Only Image
32
Functional Diagram of Edrx and PSM
32
9 Monitoring Module Status
34
Retrieve and Interpret Diagnostic Information
34
Diagnostic Information Via Urcs
35
Diagnostic Information Via Polling
36
Full-Stack Watchdog: How to React to Unexpected Conditions
38
10 Testing
39
OEM Production Testing
39
Entering and Exiting the RF Non-Signaling Mode
39
Cellular RF Functional Test
40
UTEST RX and TX Non-Signaling Test Sequence
41
UTEST RF TX Non-Signaling Continuous Mode
42
Digital Test
42
Network Simulators Testing
44
11 Sim
45
Chip SIM
45
12 Sms
46
Preferred Message Storage
46
SMS Handling and Access Technology
46
13 EFS Backup & Restore
47
Description
47
EFS Backup
48
EFS Restore
48
Creating Backup after Flashing FW Update with Delta Package
49
Easyflash, Backup and SMS Storage
49
14 Restore Factory Configuration
50
15 Specialized Application Notes by Topic
52
Multiplexer
52
IP Based Applications
52
Security Suite
52
Secure Communication
52
Gnss
52
Lwm2M
52
AWS Iot Core
52
FW Update
52
16 Migration Guide from SARA-R410M / SARA-R412M and Hints
53
Appendix
56
A Glossary
56
Related Documentation
57
Revision History
57
Contact
58
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Ublox SARA-R422 Specifications
General
Brand
Ublox
Model
SARA-R422
Category
Control Unit
Language
English
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