D-Link India Limited offers Leased Line Modem with Adaptive Equalization and Echo Cancellation attributes, bearing the model number DLM-E128. D-Link India Limited is an ISO 9001:2000 and ISO 14001:1996 certified company. The Leased Line Modem with Adaptive Equalization and Echo Cancellation utilizes 2B1Q Line Coding technique which ensures consistent performance even over poor quality lines. It also used for full duplex operation at 64/128 Kbps transmission rate over a 2-wire unconditioned line. This Leased Line Modem is equipped with V.35 and/or G.703 interface and Ethernet and/or G.703 interface to maximize application. It supports 64/128Kbps full duplex transmission over a 2-Wire Leased Line. The LED indicators located on the front panel of the DLM-E128 are intended for monitoring Line and user DTE interface signals, and the test button performs Local and Remote diagnostic Loopback.