The values are:
Normal Negotiation
Use Low Nibble of Map
Use High Nibble of Map
Use Both Nibbles of Map
If you are connecting to a non-standard X.25 network and the map entry of 0 is not appropriate for your X.25 network, choose a value between 1 and 15.
The range for valid packet sizes is 16 to 4096.
In the configuration file, packet sizes are expressed as powers of 2. For example, to specify 128, enter 7.
A number in the range from 1 to 127.
An X.32 identity of up to 32 hexadecimal characters. Do not use whitespace.