Endace DAG 3.7G Series, Руководство пользователя

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EDM01-07: DAG 3.7G Card User Guide
©2005 19 Version 7: May 2006
Configuration
Tools
The DUCK is very flexible, and can be used with or without an external time
reference. It can accept synchronisation from several input sources, and also
be made to drive its synchronisation output from one of several sources.
Synchronisation settings are controlled by the
dagclock
utility.
Note: You should only run
dagclock
after you have loaded the
appropriate Xilinx images. If at any stage you reload the Xilinx images
you must rerun
dagclock
to restore the configuration.
dagclock -h
Usage: dagclock [-hvVxk] [-d dag] [-K <timeout>] [-l <threshold>] [option]
-h --help,--usage
this page
-v --verbose
increase verbosity
-V --version
display version information
-x --clearstats
clear clock statistics
-k --sync
wait for duck to sync before exiting
-d dag
the DAG device
-K timeout
sync timeout in seconds, default 60
-l threshold
health threshold in ns, default 596
Option:
default
RS422 in, none out
none
None in, none out
rs422in
RS422 input
hostin
Host input (unused)
overin
Internal input (synchronise to host clock)
auxin
Aux input (unused)
rs422out
Output the rs422 input signal
loop
Output the selected input
hostout
Output from host (unused)
overout
Internal output (master card)
set
Set DAG clock to PC clock
reset
Full clock reset. Load time from PC, set rs422in, none out
Note: By default, all DAG cards listen for synchronisation signals on
their RS-422 port, and do not output any signal to that port
dagclock –d dag0
muxin rs422
muxout none
status Synchronised Threshold 596ns Failures 0 Resyncs 0
error Freq -30ppb Phase -60ns Worst Freq 75ppb Worst Phase 104ns
crystal Actual 100000028Hz Synthesized 67108864Hz
input Total 3765 Bad 0 Singles Missed 5 Longest Sequence Missed 1
start Thu Apr 28 13:32:45 2005
host Thu Apr 28 14:35:35 2005
dag Thu Apr 28 14:35:35 2005