Alcatel-Lucent introduced a 48-port VDSL2 line card as part of Release 3.3 of its ISAM product family, a density especially important in space-constrained cabinets. This is a universal DSL card, which is backwards compatible with ADSL.Alcatel-Lucent's ISAM Release 3.3 products include the 7302 ISAM for central offices and its smaller form factor 7330 ISAM Fiber to the Node (FTTN) optimized for street cabinets. Through the same 48-port VDSL2 line card, services providers can support IPTV subscribers with VDSL2 plus existing ADSL users.The Alcatel-Lucent...