12713020-003-2 Revision F.01 – January 2007 SSU-2000 Technical Reference 375
Chapter 9 Specifications
Output Signal Specifications
Signal Waveshape
Duty Cycle
Rise Time
Pulse Width
Pulse Interval
Amplitude
Termination Impedance
Rectangular (62.5% or 50/50 duty cycle), software selectable, per
G.703 Sec. 4 and GR-378
5/8 (62.5%) 50/50
< 500 ns < 500 ns
9.8 µS
±5% 7.8125 µS ±5%
15.625 µS
±5% 15.625 µS ±5%
2.7 to 5.5 V peak 1.0
±0.1 V
133 Ω
±5% 110 Ω
2048 kHz Clock Signals
Signal Waveshape
Rise Time
Fall Time
Duty Cycle
Per ITU Rec. G.703 Sec. 13
Square wave
< 50 ns
< 50 ns
50%
±5%
Amplitude 1.0 to 1.9 V peak into 120 Ω
0.75 to 1.5 V peak into 75 Ω
Jitter < 0.03 UI
Number of Outputs 20 per module
Termination Impedance 120 Ω ± 5% or 75Ω ± 5%
Japanese Sine Wave Ouput Signals
Signal Frequency 1.544 or 6.312 MHz
Wave Form Sinusoidal
Amplitude –3 dBm to +3dBm
Impedance 75 Ω
Jitter 10ns
Drive Capability 0 to 60 meters
Table 9-6. Output Signal Specifications (Continued)
Parameter Specification
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