managed ethernet extender, point-to-point connections, data rates up to 15.3 mbps, distances of up to 20 km on in-house copper cables, replaceable surge protection, 1 shdsl port, 1 lan port, diagnostics via ethernet
managed ethernet extender, point-to-point, line and ring structures, data rates up to 30 mbps, distances of up to 20 km on in-house copper cables, replaceable surge protection, 2 shdsl ports, 4-port switch, diagnostics via display and ethernet