The pair of extenders included with this kit act as a bridge, enabling you to link two Ethernet networks across T1/E1. Because you're using leased lines provided by your telco, there are no distance limitations - you can extend your network anywhere you can get a T1 line.

Ethernet Extender Kit 1 Port T1/E1. Extends 1 port 10/100Mbps Ethernet RJ45 over T1 or E1 interface. The kit includes 2 extenders for near-end (local) far-end (remote) deployment. Typical applications include Enterprise LAN extension, campus LAN expansion. This kit includes a pair of auto-rate Ethernet extenders, using a standard T1/E1 interface. Devices include internal 110-220VAC power supplies. The management interface is a console port.

The pair of extenders included with this kit act as a bridge, enabling you to link two Ethernet networks across T1/E1. Because you're using leased lines provided by your telco, there are no distance limitations - you can extend your network anywhere you can get a T1 line. The T1/E1 Ethernet Network Extender converts protocols and data from Fractional T1/E1 to 10BASE-T/100BASE-TX Ethernet and supports both framed and unframed modes with line codes.