Description: This attribute records the results of the broadcast test, indexed by the slot numbers of the cards containing the bus taps tested. Each entry contains one of the following values. +: a broadcast message was successfully sent from the transmitting bus tap to the receiving bus tap X: a broadcast message was not successfully sent from the transmitting bus tap to the receiving bus tap .: the associated pair of bus taps was not tested The bus test terminates automatically if a failure is detected.