Patton electronic CopperLink Ethernet Extenders 2168A - Manual (Page 8)

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2.2 DESCRIPTION
The Patton Electronics CopperLink/L and CopperLink/R Ethernet
Extenders provide high-speed LAN connections between peered Ether-
net LANs, remote PCs, or any other network enabled 10/100Base-T
device.
Operating in pairs, a CopperLink/L (local) located at one end of the LAN
extension and a CopperLink/R (remote) at the other end, these units can
automatically forward LAN broadcasts, multicasts, and frames across a 2-
wire voice-grade twisted-pair link. The data is passed transparently
(unmodified) through the CopperLink Ethernet Extenders. The CopperLink
Ethernet Extenders automatically add and delete MAC addresses, only
passing packets across the CopperLink link that are meant for the remote
peered LAN.
Figure 1. Typical application
The CopperLink/Lunit and CopperLink/R unit work together to create a
transparent extension between two peered Ethernet LANs. Figure 1
shows a typical point-to-point application.