CMD9:  		;WRITE DATA Register to send Tx	Character
		;
		MOV   MAX3140_WRITE_REGISTER,#80H  ;TE=0; RTS HIGH For Output
		MOV   MAX3140_WRITE_REGISTER+1,#02H    ;Data to Tx 'STX'
		LCALL WRITE_MAX3140_16BIT_REGISTER
		;			
       		JNB   IRQ_3140, IRQ_1
IRQ_1:          MOV   R1,#200
LOOP1:          NOP
		NOP
		DJNZ  R1,LOOP1
    		;