| Typically, access controllers within a building or group of
buildings would be connected using an RS-485 network. If cabling
to another building is cost-prohibitive or impossible, but an
Ethernet backbone exists between them, the connection can be
made by using the LAN-520 LAN Port and NC-485 Network Converter
on network segment, which converts the RS-485 network data to an
Ethernet packet, then back to RS-485 where the network can be
continued. If the customer choses not to run any RS-485
networking, all controllers can be connected via TCP/IP to take
advantage of the existing Ethernet LAN/WAN. |

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