Symmetricom SSU-2000e Technical Reference page 330

Chapter 9 Specifications
SSU-2000e Shelf Specifications
Table 9-6. Output Signal Specifications (Continued)
Parameter
Framing (user selectable)
Signal Waveshape
Rise Time
Pulse Width
Pulse Interval
Duty Cycle
Pulse Amplitude
Output Jitter
Number of Outputs
Termination Impedance
Number of Outputs
Signal Waveshape
Duty Cycle
Rise Time
Pulse Width
Pulse Interval
Amplitude
Termination Impedance
Signal Waveshape
Rise Time
Fall Time
Duty Cycle
Amplitude
Jitter
Number of Outputs
Termination Impedance
330 SSU-2000e Technical Reference
E1 Signals
CAS, CCS
Framed, all ones, Alternate Mark Inversion (AMI)
Per ITU Rec. G.703 Sec. 9
< 100 nsec
< 244 nsec, nominal
488 nsec, nominal
50%
2.4 to 3.6 V peak into 120 Ω
1.9 to 2.8 V peak into 75 Ω
< 0.03 UI
20 per module
120 Ω ± 5%
Composite Clock Signals (64 kbit/s)
20 per module
Rectangular (62.5% or 50/50 duty cycle), software selectable, per
G.703 Sec. 4 and GR-378
5/8 (62.5%)
< 500 ns
±
9.8 µS 5%
±
15.625 µS 5%
2.7 to 5.5 V peak
±
133 Ω
5%
2048 kHz Clock Signals
Per ITU Rec. G.703 Sec. 13
Square wave
< 50 ns
< 50 ns
±
50% 5%
1.0 to 1.9 V peak into 120 Ω
0.75 to 1.5 V peak into 75 Ω
< 0.03 UI
20 per module
120 Ω ± 5% or 75Ω ± 5%
Specification
50/50
< 500 ns
±
7.8125 µS 5%
±
15.625 µS 5%
±
1.0 0.1 V
110 Ω
12713140-003-2 Revision E.01 – January 2007