| 摘要 |
A trap verification system for verifying the existence, proper placement and functionality of a trap on a cable television transmission line is provided, wherein the system comprises a headend configured to transmit a inquiry signal to a particular trap and receive a response signal from the trap, the trap configured to receive the inquiry signal and transmit the response signal containing an identifier code associated with the trap and a transmission line through which the signals are transmitted. The headend determines whether that the trap is present on the line, properly placed or properly functioning and may block service to the line if the trap is not present, not properly placed, or not properly functioning.
|
