Hitachi PSC-A128EX3 Operation Manual page 11

● VPN Setting
(1) for VPN router
Assign a fixed global IP address or fixed URL (when using DDNS) to the VPN router, and connect the
router from the internet (WAN) side to the LAN side. Set IP address (for example, 192.168.0.1) for the
private network on the LAN side. Refer to the manual for VPN router for how to set IP address.
(2) for Central Station EX
Go to [Detail setting]-[Register network]-[H-LINK No.00] to set IP address, subnet mask, and default
gateway.
Example
IP address: 192.168.0.50
Subnet mask: 255.255.255.0
Default gateway: 192.168.0.1 (for the LAN side of the VPN router)
(3) for Remote PC (for Remote Access software)
Go to [Control Panel]-[Network & Internet] to add VPN and set a fixed global IP address or fixed URL of
the VPN router installed on site as destination. A dedicated VPN software might be needed depending
on the VPN router. Refer to the manual for the VPN router for settings.
● Network Security
(1) Take an adequate security measure for the network on your own responsibility so that unauthorized
users cannot access the PC.
(2) HITACHI does not take any responsibility for damage or loss caused by network security problem such
as unauthorized access.
Examples of security
▪ Use this software on a secure network with a properly configured firewall.
▪ Use this software on a physically independent network or on a virtual network using VLAN.
▪ Make sure that detection and removal of computer viruses and malicious programs are regularly
performed on the PCs with this software installed.
NOTES:
● Make sure that IP addresses of Central Station EX, Central Station EX Adapter, and PC for Remote
Access software do not conflict with each other.
● When installing this system in the existing LAN wiring, ask your network administrator who manages
the LAN how to set the network addresses (IP address, subnet mask, and default gateway).
● When using this system through internet, ask your network administrator who manages the LAN
or the internet service provider you contract with how to configure VPN routers and set network
addresses (IP address, subnet mask, and default gateway).
● When using this system through internet, make sure to use a security device such as a VPN router to
prevent unauthorized access.
● VPN router needs to be prepared locally. Refer to the manual for the VPN router for the usage.
● UP to 5 PCs with the Remote Access software installed can be connected in 1 system.
● UP to 16 central controllers can be set as connection destinations on 1 PC with Remote Access
software installed. 1 PC can access only 1 central controller at a time.
How to set network address
● Central Station EX and Built-in adapter
Refer to "9.3 Register Network" in the Installation Manual for Central Station EX.
● Central Station EX Adapter
Refer to "6. Switch Setting" in the Installation Manual for Central Station EX Adapter.
● PC for Remote Access software
Refer to "4.3.4 Changing IP address of PC for Remote Access software" (pages 10-15) in this manual.
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