Patent ID: 6560465
Filing Date: 2003-05-06
Classification: H03F,H04B

Abstract:
An apparatus for controlling and maintaining a tower top low noise amplifier (TTL) module coupled to an antenna, said TTL module having a plurality of TTLs, each for amplifying signals received on an associated cell sector, said apparatus comprising:a control box configured to control said TTL module and to determine whether or not an alarm condition is present, and to control bypass switches each associated with a said TTL so as to route signals received by the antenna to a bypass path when an alarm condition is present; and an alarm board, interfaced with said control box, operative to receive data indicative of alarm conditions within said TTL and to transmit write commands to said control box responsive to commands from a base transceiver system control processor (BCP), said write commands serving to selectively control said bypass switches within said TTL module; wherein said BCP includes a base transceiver system fault measurement block (BFMB) which is operative to read registers of said alarm box, with register data of said registers being received through a TDBus, in order to collect alarm information of alarm conditions present in said TTL module, and receives a command to write to the TTL module from a base station manager, and when a VSWR test is performed, writing to said TTL module is performed upon receiving the command to write to the TTL module from a base transceiver system diagnostic block (BDIAB).