12713020-003-2 Revision F.01 – January 2007 SSU-2000 Technical Reference 373
Chapter 9 Specifications
Input Signal Specifications
Jitter and Wander Tolerance
Meets the requirements of ITU-T G.823
Input Error Threshold 0 to 255 Intervals per hour (AIS, LOS, LOF, BPV, CRC)
Type G.703 Sec. 9 Framed E1
Input Termination External
Japanese Sine Wave Input Signals
Termination 75Ω
Waveshape Sinusoidal
Signal 1.544 MHz or 6.312 MHz
Number of Ports 3
Input Level –16 dBm to +3 dBm
Japanese Composite Clock Input Signals
Signal Type Composite Clock 64 kHz | 8kHz | 400 Hz or 64 kHz | 8 kHz
Wave Form Square wave with 50/50 duty cycle
Signal format (a) AMI with 8 kHz
Signal format (b) AMI with 8 kHz BPV with BPV removed at every 400 Hz
Amplitude 0.63 V 0-P to 1.1 V 0-P
Impedance Transformer Coupled, 110 Ω
Pulse Width (FWHM) 7.8 ±.78 µs
Clock Inputs
Frequency 1 | 1.544 | 2.048 | 5 | 10 MHz (user-selectable)
Wave Shape Sine or Square wave
Amplitude Range 1.5 to 10 V peak-to-peak
Input Error Threshold 0 to 255 intervals per hour (LOS)
Input Impedance 50 | 75 | 100 | 120 | 3300 Ω (user-selectable)
Table 9-5. Input Signal Specifications (Continued)
Parameter Specification
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