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Symmetricom XLi User Manual

Symmetricom XLi
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58 XLi Time & Frequency System
XLi-man, Issue 8, 6/17/2008, Rev. H
SSSSSSSSSSSS SSSSSSSSSS SSSSSSS S SSS S SSSSS S
1
The time quality character, "Q", is one of the following characters:
The four time quality thresholds are set by F5 - Time-Quality Setup. See "F13 - Time Error" in the
standard XLi User Guide for more information.
Command Line
For example, to initiate Continuous Time once-per-second, enter:
F8<CR>
The XLi replies:
199:11:19:30<CR><LF>
199:11:19:31<CR><LF>
199:11:19:32<CR><LF>
To stop F8 Continuous Time Once-Per-Second, press Ctrl-C on your keyboard (hex 03).
F9 - Time On Request
This function is available through the command line interface only. It is not available from the keypad.
Use function F9 to record the exact time the XLi receives a request from the user.
Enter the command "F9<CR>" to prepare the XLi for the user's request. At the desired moment, send
the request to the XLi by entering an upper case "T". The XLi saves the current time-of-day, accurate to
within 1μS, to a buffer, and then outputs it to the command line interface. The XLi continues to provide
the time-of-day each time it receives a "T" until F9 is cancelled. To cancel F9, enter Ctrl-C on your
keyboard. The command line disregards all input other than SHIFT-T and Ctrl-C (hex 03).
The time-of-day output is only available on the network or serial port used to give the F9 command.
F9’s default output string is as follows:
<SOH>DDD:HH:MM:SS.mmmQ<CR><LF>
SPACE = Time error is less than time quality flag 1's threshold
. = Time error has exceeded time quality flag 1's threshold
* = Time error has exceeded time quality flag 2's threshold
# = Time error has exceeded time quality flag 3's threshold
? = Time error has exceeded time quality flag 4's threshold
or a reference source is unavailable
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

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Symmetricom XLi Specifications

General IconGeneral
BrandSymmetricom
ModelXLi
CategoryMeasuring Instruments
LanguageEnglish

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