writePack('192.168.100.2', '1.bin')
writePack('192.168.100.2', '2.bin')
setUpportMode()
>>> s = b'A\x03Sea\x00\x11Q\x14A"\x00\x00\x00\x00\x00\x124\xfb'
>>>
>>> type(s)
<class 'bytes'>
>>> import binascii
>>> binascii.hexlify(s)
b'410353656100115114412200000000001234fb'