Silicon Graphics IRIS Workstation, User Manual, Page: 140 / 170

134 IRIS WORKSTATION GUIDE
Version 1.0
Appendix I:
DIR ttyd2 0 4800
ACU ttyd3 cua0 1200
DIR xns xns xns
The first entry is for a hard-wired line running at 4800-baud between two
systems. Note that the acu-device field is zero. The second entry is for a line
with a 1200-baud ACU. The last entry is for an Ethernet/XNS connection.
Naming Conventions
It is often useful when naming lines that are directly connected between
systems or which are dedicated to calling other systems to choose a naming
scheme that conveys the use of the line. In the earlier examples, the name
ttyd2 is used.
System File
Each entry in /usr/lib/uucp/L.sys represents a system that can be called by the
local uucp programs. More than one line may be present for a particular
system. In this case, the additional lines represent alternative communication
paths that will be tried in sequential order. The fields are described below:
system name Name of the remote system.
time This is a string that indicates the days-of-week and times-of -
day when the system should be called (e.g., MoTuTh0800-
1730).
The day portion may be a list containing Su , Mo , Tu , We , Th ,
Fr , Sa ; or it may be Wk for any week-day or Any for any day.
The time should be a range of times (e.g., 0800-1230). If no
time portion is specified, any time of day is assumed to be
allowed for the call. Note that a time range that spans 0000 is
permitted; 0800-0600 means all times are allowed other than
times between 6 and 8 am. An optional sub field is available to
specify the minimum time (minutes) before a retry following a
failed attempt. The subfield separator is a “,” (e.g. Any,9
means call any time but wait at least 9 minutes before retrying
the call after a failure has occurred).
device This is either ACU or the hard-wired device name to be used
for the call. For the hard-wired case, the last part of the
special file name is used (e.g., ttyd2 ).
class This is usually the line speed for the call (e.g., 1200 or xns for
Ethernet/XNS).
phone The phone number is made up of an optional alphabetic
abbreviation (dialing prefix) and a numeric part. The
abbreviation should be one that appears in the L-dialcodes file