Syntax [Leading guard time] +BRC+ [Trailing guard time] Note: use S153 as guard time. Result crlf] ENTERING BRC [crlf] if successful [crlf] ERROR: BRC DISABLED [crlf] if BRC=0 [crlf] ERROR: BRC NOT ACCESSIBLE [crlf] if target not in compatible mode. no response if target does not support BRC. Storable No