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Performance Tests
Wander/Slips Measurement (Options UHN, [US9], A1M [A1Q], A1N
[A1R], A1P [A1S], A3L [A3M], A3V [A3W], A3N [A3P])
Wander/Slips Measurement (Options UHN, [US9], A1M
[A1Q], A1N [A1R], A1P [A1S], A3L [A3M], A3V [A3W],
A3N [A3P])
NOTE A jitter Tx Module must be fitted for this test - see Appendix B.
Specifications
Timing Reference Input:
Type External MTS Clock as per ITU G.811.
Rate 2.048Mb/s ± 100 ppm
Format Clock or HDB3 Data.
Impedance 75Ω Unbalanced (nominal); 120Ω Balanced (nominal).
Peak Level 2.37V ±10% (unbalanced), 3V ±10% (balanced).
Indication If no reference input signal is present NO REF is displayed.
Connectors BNC (unbalanced); 3-pin Siemens audio (balanced).
Wander Measurement:
Bandwidth Low pass response -3dB at 10Hz (nominal)
Resolution 0.125 UI
Accuracy ± 0.125 UI ± 0.5% of reading valid up to 1Hz
wander frequency.
Range ±99999 UI.
Alarm Indication "Excess Wander" displayed if >5UI
Wander Measurements Positive Peak, Negative Peak, Peak to Peak 15
mins, Peak to Peak 24 hours, Time Interval Error
Slips Measurements Estimated Bit Slips, Estimated Frame Slips
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