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Remote Connectivity Solutions
PSTN, ISDN, GPRS, EDGE, 3G, ADSL, LAN
Which connectivity to use ? A solution based approach
> Remote Connectivity Solutions
2 markets
1
2
Machine Builders
Infrastructure/Utilities
> Remote Connectivity Solutions
2 different needs
1
2
Connection on purpose:
1. Connection temporary oriented
2. Simplex communication: machine/RTU ->user
3. Or… full duplex (bi-directional) communication:
user-machine/RTU-user
Or persistent connection
1. Duplex communication
2. And asset/site-to-site extranet
> Remote Connectivity Solutions
2 different technologies
1
2
Old style modem like: dial-up (Point-to-Point
connections over telephone network)

Embedded PSTN, ISDN or GSM data modem
Purely IP though Internet network

Embedded PSTN, ISDN, GPRS, EDGE, 3G, ADSL
modem or connection through LAN
> Remote Connectivity Solutions
Connection direction
Remote Connectivity Matrix
Duplex,
Remote Access
Simplex,
From RTU *
Temporary, on
purpose
Persistent
Connection duration
RTU = Remote Terminal Unit = eWON
> Remote Connectivity Solutions
Connection direction
Solutions for Machine Builders
Remote Maintenance=
Duplex,
Remote Access
1.
2.
3.
Remote PLC Programming
Remote Diagnosis
Predictive Maintenance
Simplex,
From RTU *
NA
NA
NA
Temporary, on
purpose
Persistent
Connection duration
RTU = Remote Terminal Unit = eWON
> Remote Connectivity Solutions
Connection direction
Modems for Machine Builders
Dial-up
•
Duplex,
Remote Access
PSTN or ISDN
Internet
•
•
•
•
PSTN
Mobile: EDGE, 3G
ADSL
Through LAN
Simplex,
From RTU *
NA
NA
NA
Temporary, on
purpose
Persistent
Connection duration
RTU = Remote Terminal Unit = eWON
> Remote Connectivity Solutions
Connection direction
Solutions for Infrastructure/Utilities
Duplex,
Remote Access
Simplex,
From RTU *
Remote Management=
1.
2.
3.
Remote Control +
Remote HMI and/or
Remote Monitoring
Extranets
(Permanent IP gateways)
Alarms Management
Remote Monitoring =
data collection & crunching,
data logging, scripting, …)
NA
Remote Metering =
same as rem. monit. wo PLCs
Temporary, on
purpose
Persistent
Connection duration
RTU = Remote Terminal Unit = eWON
> Remote Connectivity Solutions
Connection direction
Modems for Infrastructure/Utilities
Dial-up
Duplex,
Remote Access
•
PSTN, ISDN
Internet
•
•
Mobile: GPRS,EDGE, 3G
PSTN
Internet
•
•
Mobile: GPRS,EDGE,3G
ADSL
Dial-up
Simplex,
From RTU *
•
•
PSTN, ISDN
Mobile: GSM data
NA
Internet
•
Mobile: GPRS
Temporary, on
purpose
Persistent
Connection duration
RTU = Remote Terminal Unit = eWON
> Remote Connectivity Solutions
Modems: technology review
Modems: cost structure
PSTN, ISDN
GSM Data
Dial-up
Internet
Cost is time &
distance
dependant
Cost is time
dependant
GPRS
NA
EDGE
NA
3G
NA
ADSL
NA
LAN
NA
Cost is data
dependant or flat
> Remote Connectivity Solutions
Modems: technology review
Modems: pros & cons
PSTN, ISDN
GSM Data
Dial-up
Internet
Easy setup.
Worldwide
availability
Cheaper & better
(because local calls)
GPRS
NA
EDGE
NA
3G
NA
ADSL
NA
LAN
NA
NA
Easy setup,
worldwide
availability and
Plug & Play with
> Remote Connectivity Solutions
Data transfer rates
Modems: technology review
Dial-up
PSTN, ISDN
GSM Data
Internet
PSTN 56kbps
ISDN 128kbps
Max 14kbps
NA
GPRS
NA
32-48 kbps
EDGE
NA
Max 384 kbps
3G
NA
8 – 10 Mbps
ADSL
NA
Max down 24Mbps
Max up 1Mbps
LAN
NA
> Remote Connectivity Solutions
Technology review
Dial-up connections
Establish a Point-to-Point communication (IP communication)
between your PC and industrial LAN
Route all IP messages from the PPP connection to the LAN
Standard IP routing capabilities such as IP forwarding,
Firewall: NAT, Filtering, Access control
Requirements:
1.
eWON 2001/4001 with embedded PSTN, ISDN, or GSM modem
# phone number
# phone number
Telephone
network / ISDN
<- PPP communication (IP) ->
IP 202.0.0.1
IP 202.0.0.240
> Remote Connectivity Solutions
Technology review
Internet connections
Establish Internet communication through call-back
mechanism, with IP address publication
Using eWON embedded PSTN, ISDN, GPRS/EDGE/3G modem
All devices with Ethernet & TCP/IP or serial protocol behind
eWON can then be reached
1.
eWONs 2101/4101, eWON 2005CD/4005CD, eWON 2104/4104
Dyn-DNS
Service
Provider
Internet
IP source

Tunnel
IP address
IP dest
> Remote Connectivity Solutions
Internet connections: the ideal
scenario
Requirements :
1.
Technology review
2.
Internet Service Provider (ISP) on the eWON side should
provide Public IP address and
Firewall (ISP) should be transparent to the VPN
connection
Internet
IP source
VPN Tunnel
Service
Provider
IP dest (public IP)
> Remote Connectivity Solutions
Internet with Talk2M
Why Talk2M ?
1.
Technology review
2.
Very often, the requirements for the ideal solution are not or
difficult to meet
Or we want to access eWON connected to the Internet through
the local LAN


In most of the case, the firewall blocks all incoming traffic
In conclusion, only outgoing traffic is allowed (e.g. browsing HTTP or
HTTPS website)
Customer LAN
Internet
IP source
IP dest
> Remote Connectivity Solutions
Internet with Talk2M
Talk2M resolve these common connection problems in 3 steps
Technology review
1.
2.
3.
eWON is connected to Talk2M (VPN link)
User is connected to Talk2M (VPN link)
Talk2M interconnects the 2 VPN links
All devices with Ethernet & TCP/IP or serial protocol behind
eWON can then be reached
Internet
IP source
VPN link
VPN link
VPN Tunnel
User
Customer LAN
IP Dest
> Remote Connectivity Solutions
Duplex,
Remote Access
eSync Connect,
Simplex,
From RTU *
Connection direction
Which remote access solution/tool ?
NA
NA
Temporary, on
purpose
Persistent
Connection duration
RTU = Remote Terminal Unit = eWON
> Remote Connectivity Solutions
Which eWON model ?
Non-permanent connection (on purpose)
PSTN / ISDN
GSM DATA
2001/4001
GPRS, EDGE,
3G
Through
LAN
2101/4101
2005CD/4005CD
ADSL
2104/4104
Persistent connection
> Remote Connectivity Solutions
Questions???
Thank you