Input File Items

I[n]:rg[/b]

n represents the file number and is optional. If specified, it must be 1 (one).

r indicates the rack number (0 - 27 octal).

g indicates the I/O group (0 - 7 octal).

b specifies the bit (0 - 17 octal). /b may be omitted, if necessary, to treat the I/O group as a numeric value.