Symmetricom XLi User Manual

104 XLi Time & Frequency System
XLi-man, Issue 8, 6/17/2008, Rev. H
SSSSSSSSSSSS SSSSSSSSSS SSSSSSS S SSS S SSSSS S
1
To see the states the Alarm Latches for all of the indicators, enter:
F73<S>LATCH<CR>
XLi replies:
F73<S>LATCH<SEP><123456789ABCDEFGHIJ><CR><LF>
To clear the Alarm Latches, enter:
F73<S>CLEAR<SEP>ALARM<SEP>LATCH<CR>
XLi replies:
OK
The command line uses a ‘mask’ to enable or disable each indicator’s alarm. To see which indicators are
Alarm Enabled, enter:
F73<S>MASK<CR>
XLi replies:
F73<S>MASK<SEP>M<12346789ABCDEFGHIJ><CR><LF><LF>
where:
'A' Clock Status has not locked since power on
C = '-' Time error OK
'U' Time error Fault
D = '-' Timeout OK
'T' Timeout Fault
E ='-' NTP OK
'N' NTP Fault
F Future Use
G Future Use
H Future Use
I Future Use
J Future Use
‘E’ = enabled
‘D’ = Disabled
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Symmetricom XLi Specifications

General

Input Frequency	1PPS, 10 MHz
Disciplined Oscillator	OCXO or Rubidium
Mounting	Rack Mount
Power Supply	100-240 VAC, 50/60 Hz
Operating Temperature	0°C to +50°C
Frequency Range	10 MHz
Frequency Accuracy	1x10^-12
Output Frequency	10 MHz
Inputs	GPS Antenna, 1 PPS, 10 MHz
Phase Noise	-140 dBc/Hz @ 10 Hz offset
Dimensions	19" x 1.75" x 14" (W x H x D)
Accuracy	1x10^-12