Add Revenue, not copper: Double copper plant capacity on existing twisted pair

The SL5 SLC® Series 5 Plug-Compatible COT Line Card mounts into Lucent SLC® Series 5 or SLC® 2000 remote terminal (RT) shelves, multiplexing two 64 Kbps Clear channel POTS lines and transporting them over a single twisted pair utilizing noiseless, low power HDSL (2B1Q) line coding.

NEBS Level 3 Compliant 56K (V.90) modem performance when the line card is in the integrated mode Line powered 18 Kft nominal range on single twisted pair Enhanced Pre-Provisioning (EPREP) for easy one person turn-up of additional lines 4TEL or MLT line testing signatures Fail-to-POTS option Uses existing Charles NIDs Provides on-demand power to NID Temperature hardened for use in harsh environments (-40° to +65° C) LED indicators for alarms, ringing and off-hook conditions Developed jointly with Lucent Technologies

Standard Line Card	DuaLine Plus™  Plug-Compatible Line Card
Each line card supports two POTS lines Each POTS line requires one twisted pair (two pair for each line card)	Digitally multiplexes both POTS lines on one twisted pair (saves one pair per card) Charles DDL remote terminal (RT2) demultiplexes two POTS