#define LRB_START_LGTH 4 // WD4- 
#define LRB_ID_LGTH    2 // 1=
#define LRB_ST_LGTH    4 // OK  /WET /ALRM
#define LRB_SP_LGTH    1 // -
#define LRB_TM_LGTH    3 // # cr lf