XLi Time & Frequency System 73
XLi-man, Issue 8, 6/17/2008, Rev. H
2
5
1
SSSSSSSSSSSS SSSSSSSSSS SSSSSSS S SSS S SSSSS S
For example, to requests the time reference from board 1, enter:
F42 B1 T<CR>
The XLi responds:
F42 B1 UTC<CR><LF>
Setting the time reference of a specific board
Use the following format to set the type of time output by the boards (For an explanation of the different
types, see “F69 – Time Mode” on page 89
):
F42<S>B<N><S>T<S><TREF><CR>
where
For example, to have board 1 (all ports) output local time instead of UTC, enter:
F42 B1 T LOCAL<CR>
The XLi responds:
OK<CR><LF>
F44 – N.8 Frequency Synthesizer
Use function F44 to select the N.8 rate for a specific output port on a specific N.8 Frequency Synthesizer
(86-708-1) (page 174). The N.8 output frequencies range from 8 kPPS to 8192 kPPS.
Command Line
Use the following format to enter the F44 command. In response, the XLi displays the card addresses of
the installed N8 cards:
F44<CR>
XLi responds with the card numbers in using the following format:
F44<S><N><S><N><CR><LF>
F42 = string representing the Function Number
B = ASCII character indicating board number to follow.
<N> = the board number, 1 to 10
<S> = one or more separator characters, space, tab or comma.
<TREF> = Time Reference, UTC, LOCAL, STANDARD, or GPS
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