Patent ID: 7599389

Claim:
A Digital Subscriber Line (DSL) subscriber board with an increasable bandwidth, comprising: a DSL physical interface chip; at least one protocol processing chip; an uplink physical interface chip; wherein, the DSL physical interface chip is connected with the protocol processing chip through a first interface, the at least one protocol processing chip is connected with the uplink physical interface chip; and the DSL subscriber board further comprises: a plurality of first interfaces, working at the same time and adapted to connect the DSL physical interface chip with the at least one protocol processing chip; and a plurality of second interfaces, working at the same time and adapted to connect the uplink physical interface with the at least one protocol processing chip; the first interfaces are Universal Test and Operations PHY Interfaces for ATM (UTOPIA) interfaces or Packet over SONET/SDH (POS) interfaces; and the second interfaces are Gigabyte Ethernet interfaces, or Fast Ethernet interfaces or Low Voltage Difference Synchronization interfaces, or 10 Gigabyte Ethernet interfaces or 3.125 G high data rate serial bus interfaces.