Symmetricom XLi User Manual

206 XLi Time & Frequency System
XLi-man, Issue 8, 6/17/2008, Rev. H
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1
Connector: Panel-mounted 50 pin 3M ribbon type connector.
Mating Connector: 3M Part Number 3425-6000 or 3425-6050 or equivalent.
Physical: Single high option bay.
CPU-Aware: Yes
Compatibility Legacy ExacTime 6000 GPS_Option_13A - Parallel BCD
1kPPS STROBE:This line goes to the high state on the second and remains high for 800nS.
1PPS STROBE:This line goes high 500nS after the 1kPPS STROBE and remains high for 800mS.
Unlock:This line goes high when the clock is unlocked from a reference source.
50-pin D MILLISECONDS CONNECTOR PIN ASSIGNMENT
Table 9:
PIN #OUTPUTPIN #OUTPUT
1 1’s of msec 26 20’s of days
2 40’s of min 27 2’s of sec
3 2’s of msec 28 40’s of days
4 1’s of hours 29 4’s of sec
5 4’s of msec 30 80’s of days
6 2’s of hours 31 8’s of sec
7 8’s of msec 32 100’s of days
8 4’s of hours 33 10’s of sec
9 10’s of msec 34 200’s of days
10 8’s of hours 35 20’s of sec
11 20’s of msec 36 Ground
12 10’s of hours 37 40’s of sec
13 40’s of msec 38
1PPS
STROBE
14 20’s of hours 39 1’s of min
15 80’s of msec 40 Ground
16 1’s of days 41 2’s of min
17 100’s of msec 42 N/U
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Symmetricom XLi Specifications

General

Brand	Symmetricom
Model	XLi
Category	Measuring Instruments
Language	English