Symmetricom SSU-2000 User Manual page 444

SSU-2000 Shelf Specifications
Table F-6. Output Signal Specifications (Continued)
Parameter
Number of Outputs
Termination Impedance
Signal Waveshape
Duty Cycle
Rise Time
Pulse Width
Pulse Interval
Amplitude
Termination Impedance
Number of Outputs
Signal Waveshape
Rise Time
Fall Time
Duty Cycle
Amplitude
Jitter
Number of Outputs
Termination Impedance
444 SSU-2000 User's Guide
20 per module
120 Ω ± 5%
Composite Clock Signals (64 kbit/s)
Rectangular (62.5% or 50/50 duty cycle), software selectable, per
G.703 Sec. 4 and GR-378
5/8 (62.5%)
< 500 nsec
±
9.8 µS 5%
±
15.625 µS 5%
2.7 to 5.5 V peak
±
133 Ω
5%
20 per module
2048 kHz Clock Signals
Per ITU Rec. G.703 Sec. 13
Square wave
< 50 nsec
< 50 nsec
±
50% 5%
1.0 to 1.9 volts peak into 120 Ω
.75 to 1.5 volts peak into 75 Ω
< 0.03 UI
20 per module
120 Ω ± 5% or 75Ω ± 5%
Specification
50/50
< 500 nsec
±
7.8125 µS 5%
±
15.625 µS 5%
±
1.0 0.1 V
110 Ω
12713020-002-2 Revision D – April 2004