5-37
Servicing
Adjustment Procedures
Table5-6. Required Test Equipment
Equipment
Agilent
Recommended
Model
Critical Specifications
Digital voltage meter 34401A ≥150 Vdc range. 1 mV accuracy.
Digitizing oscilloscope 83480A with
83483A and
83485A
>10 GHz bandwidth
≤10 ps/div amplitude scale
≥500 MHz triggering, optical input with built-in SDH filter.
Voltage and time histograms. Built-in SONET/SDH eye mask
conformance test.
Pattern generator 70841B 0.1 to 3.3 Gb/s, 223–1 PRBS.
250 mV p-p to 1200 mV p-p output.
Rise/fall times ≤ 100 ps.
Clock/32 trigger.
50Ω output.
Clock source 70311A 16.1 MHz to 3.3 GHz, 50Ω, output.
<120 dBc noise
Sinewave or Squarewave, 500 mV p-p to 1500 mV p-p
Mainframe 70001A Specific mainframe for pattern generator and clock source.
Optical power meter —1310/1550 nm calibration. FC connector
0.1 dB resolution, 0.2 dB accuracy
–60 to +20 dBm range