Anticipating a powerful, flexible and economic small subscriber capacity Digital Loop Carrier system for the fast population growing district, The TL60 could match such anticipation with low initial cost. The TL60, a unique HDSL-based multiplexer, has a superb pair-gain function and also can be regarded as a mini "DLC" (Digital Loop Carrier) system as it can offer maximum 60 subscriber lines which only using two copper loops. For some special purposes, the TL60 is a best choice to suite the customer's inquiry in some newly developing communities or large demanding area which using present copper loops to expanding the subscriber channels but without outside plant construction yet. The TL60 provides up to 60 subscriber POTS channels through Central Office Terminal (COT) unit via two pairs of existing copper wire lines with line-powering to total 10pcs of Remote Terminals (RT). Why the TL60 is a powerful digital pair-gain system? AS it uses the HDSL (High-bit-rate Digital Subscriber Line) technology, which greatly enhances your subscriber systems without expensive cost. The TL60 provides subscriber services over the HDSL transmission, which is constituted by only two copper pairs of twisted-wires, to provide 60 subscriber lines capacity. The more benefit is to deduct the cost of repeater on the subscriber Digital Loop system due to the character of HDSL technology "repeaterless" on the TL60.