Thanks guys got pycrypto installed using
pip install --use-wheel --no-index --find-links=https://github.com/sfbahr/PyCrypto-Wheels/raw/master/pycrypto-2.6.1-cp35-none-win32.whl pycrypto
Decryted .conf file and set telnet to 1, re-encrypted the file and uploaded it.
Modem working and I can telnet into it.
Many, many thanks guys.
Now to have a play with the stats :-)
Regards
Clive