Network Environment; Connecting The Remote Pc With The Dedicated Lan; Connecting The Remote Pc With The Existing Lan; Using The Remote Pc Through Internet - Hitachi PSC-A128EX3 Operation Manual

4.3 Network Environment
Central Station EX is designed to be used in the LAN environment.
4.3.1 Connecting the remote PC with the dedicated LAN
As the configuration example shown below, connect Central Station EX (and Central Station EX Adapter) and
PCs for Remote Access software through Ethernet
Configuration example of the dedicated LAN
PC 1 for Remote
Access software
PC 2 for Remote
Access software
4.3.2 Connecting the remote PC with the existing LAN
As the configuration example shown below, connect Central Station EX (and Central Station EX Adapter) and
PCs for the Remote Access software to the existing LAN environment.
Configuration example of the existing LAN
PC 1 for Remote PC 2 for Remote
Access software Access software
4.3.3 Using the remote PC through internet
As the configuration example shown below, connect Central Station EX (and Central Station EX Adapter) and
PCs for Remote Access software with a VPN router. Build a private network using a VPN router to ensure
security when monitoring and controlling air conditioners remotely through internet.
Configuration example of the internet connection
PC for Remote
Access software
8
LAN
Ethernet
®
Hub
LAN
Trunk LAN
Ethernet
®
Hub
LAN
Internet
VPN Connection
®
Hub.
LAN
PSC-A128EX3
Central Station EX
LAN
PSC-AD128EX3
Central Staion EX Adapter
Central Station EX
LAN
PSC-A128EX3
LAN
PSC-AD128EX3
Central Staion EX Adapter
VPN
Line termination
Router
device
H-LINK
Air Conditioner
H-LINK
Air Conditioner
H-LINK
Air Conditioner
H-LINK
Air Conditioner
Private Network
A12124920A