The following names corresponds to the file numbers. Use the label names
instead of the file numbers and you will not be dissappointed when installing
the software :-)

PRO175 = PRO/DECnet
175-1   NETTESTV21
175-2   NETUTILV21
175-3   DECNETV21X3
175-4   DECNETV21X2
175-5   DECNETV21X