Contemporary Control Systems AI-SRVR Servers to Ethernet User Manual - Manual (Page 17)

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The AI-SRVR-1 and the AI-SRVR-8 can be used together — for example, to add a
remote ARCNET node to an eight-node ARCNET system as shown in Figure 10.
Figure 10
— AI-SRVR-1 and AI-SRVR-8 Can Work Together
The AI-PROXY concept requires each local proxy represent a node in the remote
network by assuming the Node ID of the remote device being represented. The local
proxy also has a Connections table for these two parameters of each remote proxy:

Node ID being represented by the remote proxy

IP Address of the remote proxy
Thus, each Connections table entry associates the local Source ID with the IP Address
through which it is represented in the remote network.
Because a proxy could communicate with many other proxies (up to 255), its
Connections table could be large. No matter how many proxies are involved, each
local proxy must invariably represent a remote node whose ID is not present in the
local network where the local proxy resides.