F1 04 14 01 18 F2 turns the power on, these are hex codes, depending on how the processor likes to see these expressed wiil dictate how you need to write them. The foloowing examples are different ways to express the same string

\xF1\x04\x14\x01\x18\xF2
F1h 04h 14h 01h 18h F2h
$f1 $04 $14 $01 $18 $F2

baud rate is 19200 8 1 n female to femal DB-9 straight thru 2 3 5