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Industrial Device Server/M2M Gateway Overview

ORing’s serial-to-Ethernet device servers offer up to 8 serial ports along with different interfaces of copper, optic fiber, or
wireless LAN, plus support for various operation modes: TCP server, TCP client, UDP, and Virtual COM. All device server
models include free-bundled management utility, plus DS-Tool with Virtual COM drivers
Key Technologies

SSL Data Encryption

Technology Description

Handshaking
The client asks the server to identify itself. The server hands a “digital certificate” (public encryption key included) to the
client. If the “digital certificate” is trustworthy, the client sends confirmation to the server. Now the client and server have
“shaked hands”.
Data Transmission

The client encrypts data with a public encryption key and sends the encrypted data to the server. The server then
decrypts the received data with its secret private decryption key and retrieves the data. With strong encryption (128-bits
or higher), the required decipher time & effort may far exceed any hacker’s lifetime.

SSL Data Encryption Benefits
SSL data encryption provides several benefits. It enforces data privacy via strongly designed data encryption schemes.
Additionally, it allows identity establishment, i.e. each client has his or her own unique “digital certificate” . Moreover, SSL
data encryption is a trust-based data communication scheme. Data communications exist if and only if the server and
the client formally trust each other.

Modbus Gateway

Technology Description

ORing also offers a Modbus gateway product portfolio which serves as a converter between Modbus TCP and Modbus
RTU/ASCII devices. ORing’s Modbus gateways allow Modbus RTU/ASCII devices to be easily connected with network-
based Modbus TCP devices without changing existing structure. ORing Modbus gateways are able to support dozens
of RTU/ASCII devices through the serial ports, connecting a high density of Modbus nodes to the same network. Apart
from Web configuration support, ORing Modbus gateways also provide a wide range of functions such as Master/Slave
mode support, a wide range of operating temperature, and rugged design.

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