Yamaha SRCD User Manual download pdf (Page 46)

CHAPTER2 Ethernet Unit

■ Example 5

In this example, a controller in a remote location is centrally managed over the Internet.

Use of a firewall (defense mechanism to keep out intruders) is recommended to maintain

security.

Factory 2

ControllerController

Internet

Factory 2

Factory 1

Router

Head office

RouterRouter

HUBHUB

PCPC

HUB

Internet Internet

Internet

Head office router

Factory 1 router

Controller 1

Factory 2 router

Controller 1

IP address

133.215.0.1

133.215.0.2

133.215.1.1

133.215.1.2

133.215.2.1

133.215.2.2

Subnet mask

255.255.255.0

Gateway

133.215.0.1

133.215.1.1

133.215.2.1

System setup example

* Routers must be set to match system conditions.

*To make a connection over the Internet, a global address must be set in the IP address.

* Use of identical addresses is not allowed so customers must not use the addresses set in the

above example.

Always use the customer’s own unique address. NIC (in Japan, JPNIC) handles the

assigning and management of addresses.

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Yamaha SRCD User Manual Page 46

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