DSL subscriber board with increasable bandwidth and method for increasing bandwidth of a DSL subscriber board

A method for increasing bandwidth of a Digital Subscriber Line (DSL) subscriber board, which comprises:

• a DSL physical interface chip, at least one protocol processing chip and an uplink physical interface chip, comprising:
• increasing bandwidth of DSL subscriber board by connecting the DSL physical interface board with the at least one protocol processing chip by a plurality of first interfaces which work at the same time;
• and/or connecting the at least one protocol processing chip with the uplink physical interface chip by a plurality of second interfaces which work at the same time;
• wherein
• 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.

A Digital Subscriber Line (DSL) subscriber board with an increasable bandwidth, comprising:

• a DSL physical interface chip;
• at least two protocol processing chips;
• an uplink physical interface chip;
• an interface adaptation unit;
• wherein,
• the DSL physical interface chip is connected with the at least two protocol processing chips through a first interface,
• the interface adaptation unit connected with the at least two protocol processing chips and connected with the uplink physical interface chip through a second interface, configured to support a bi-directional transmission of communication contents between the at least two protocol processing chips and the second interface,
• the bandwidth of at least one of the first interface and the second interface is configured to a pre-defined bandwidth.