System specifications, Chassis, Environmental – Symmetricom XL-GPS User Manual
Page 13: Time and frequency accuracy, Gps reference, Environmental time and frequency accuracy, The chassis is a 19-inch rack-mounted 1u chassis, 1 sec 3 x 10
997-01530-01, Rev. C-25, Jan 2008
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2: System Specifications
Chassis
The chassis is a 19-inch rack-mounted 1U chassis.
Environmental
Time and Frequency Accuracy
GPS Reference
Time and frequency accuracy/stability while locked to a GPS timing reference:
Size:
1.75 in. x 17.1 in. x 14. in.
Weight:
8 lbs
Standard Hardware:
Standard 19" EIA rack system
Optional Hardware:
Slide rack hardware
Operating Temperature:
0° to +50 °C (+32° to +122 °F)
Storage Temperature:
55° to +85 °C (67° to +185 °F)
Humidity:
95%, non-condensing
Vibration - Operating:
GR-CORE-63, 4.5.2/4, locked to 1.0 g
Vibration - Storage Transport:
GR-CORE-63.4.4.1 to 1.5g
1 PPS Output
+/-30 nS RMS
Frequency Output Accuracy:
< 1 x 10
-12
@1 day
Frequency/Timing Allan
Deviation Stability:
1 x 10
-9
@ 1 sec
3 x 10
-10
@ 10 sec
3 x 10
-10
@ 100 sec
2 x 10
-10
@ 1000 sec
1 x 10
-12
@ 1 day
AM Code Output Accuracy:
10
μS
DC Level Shift Code Output
Accuracy:
1
μS to the 1 PPS