TCXO OCXO
OCXO (Rugged
Option, cPCI & VPX
only)
Holdover
(constant temp after 2 weeks of GNSS lock)
After 4 hours
12
μ
s
3
μ
s
1
μ
s
After 24 hours
450
μ
s
100
μ
s 25
μ
s
10 MHz Output
10 MHz sine wave output from oscillator
Output impedance: 50 Ω nominal
Output load: 50 Ω minimum
Output harmonics: < -40 dBc
Output spurious: < -70 dBc
IRIG AM Output
Output formats A, B, E (100 Hz, 1 kHz), G; NASA36; IEEE 1344
Amplitude:
0.5 V
p-p
to 6 V
p-p
into 50 Ω, user settable
1V
p-p
to 12 V
p-p
into > 600 Ω
Output impedance: 50 Ω nominal
Output load: 50 Ω minimum
Modulation ratio: 3:1 nominal
Accuracy: ±2 to 200 microseconds (IRIG-format dependent)
IRIG DCLS Output
Outputs formats: A, B, E, G; NASA36; IEEE 1344 pulse width codes (does
not generate Manchester modulated codes)
RS-485 differential signal:
1.8 V
max
common mode output voltage (RS-485 compatible)
1.5 V
min
to 3.3 V max differential output voltage swing
Single-ended amplitude (100 Ω load):
0.5 V
VOL
max, +2.5 V
VOH
min (TTL compatible)
GPIO Outputs
Periodic Output:
8
CHAPTER
1
•
VelaSync User's Manual Rev. 3
1.4 Technical Specifications
Summary of Contents for VelaSync 1225
Page 2: ......
Page 4: ...Blank page II VelaSync User s Manual...
Page 12: ...BLANK PAGE X VelaSync User s Manual TABLE OF CONTENTS...
Page 28: ...16 CHAPTER 1 VelaSync User s Manual Rev 3 1 7 The VelaSync Web UI...
Page 34: ...BLANK PAGE 1 9 Regulatory Compliance 22 CHAPTER 1 VelaSync User s Manual Rev 3...
Page 104: ...BLANK PAGE 2 11 Configuring PTP 92 CHAPTER 2 VelaSync User s Manual Rev 3...
Page 251: ...Server management System specifications VelaSync User s Manual 239 APPENDIX...
Page 267: ...VelaSync User s Manual 255 APPENDIX...
