Patent ID: 7804940

Claim:
A broadband/narrowband telecommunication system, comprising: CPEs, a CO device, and a line testing system; the CO device comprising a CO broadband device and a CO narrowband device; the line testing system comprising a line capturing matrix device and a test module; the CO broadband device comprising a separator card, a master control module and a broadband line card without line capturing relays, wherein the CO broadband device further comprises a broadband line card with line capturing relays; the first group of CPE lines are connected to the separator card of CO broadband device through a distribution frame and the line capturing matrix device, the separator card is connected to the broadband line card without line capturing relays; and this group of lines are connected to the CO narrowband device through the distribution frame and the line capturing matrix device; the second group of CPE lines are connected directly to the separator card of the CO broadband device through another distribution frame, the separator card is connected to the broadband line card with line capturing relays; and this group of lines are connected directly to the CO narrowband device through the distribution frame; the test module is configured inside the CO device and is connected to the line capturing matrix device and the master control module respectively in the CO broadband device; for the first group of lines, the line test module receives a command from the master control module, instructs relays of the line capturing matrix device to act according to the command so as to capture a designated subscriber external line and switch the line to the test module; for the second group of lines, the broadband line card receives a line capturing command from the master control module, the line test module receives the test command from the master control module, the broadband line card drives relays to act according to the command so as to capture a designated subscriber external line and switches the line to the test module; and the line test module tests the captured subscriber external line and reports a result obtained to the master control module.