3-4
Specifications and Regulatory Information
Specifications
Table3-2. General Specifications
Eye Mask Performance Conforms to GR-253 and ITU G.957 requirements at
OC-1, OC-3/STM-1, OC-12/STM-4, OC-48/STM-16
Wavelength Adjustment Range
(over 25 ±10°C ambient temperature range)
±1.25 nm (±1.8 nm typical)
Extinction Ratio
(over 25 ±10°C ambient, measured at OC-48/STM-16 rate in
instrument preset condition)
10 dB ±1 dB
Bias/Extinction Ratio Adjustment Range (characteristic) <8.2 dB to >13 dB
Peak Coupled Power, Digital Mode
(preset bias condition)
1.3 mW minimum (+1 dBm)
Average Coupled Power, Analog Mode
(preset bias condition)
0.63 mW minimum (–2.0 dBm)
Relative Intensity Noise (characteristic) (RIN) @ 1 GHz – 145 dB/Hz
Spectral Width
(measured with digital modulation at 2.5 Gb/s with SONET reflection
conditions)
0.3 nm maximum at –3 dB; 1 nm maximum at –20 dB
Dispersion Power Penalty (characteristic)a <2.0 dB
Side-mode Suppression Ratio
(digital modulation at 2.5 Gb/s with SONET reflection conditions)
33 dB minimum
Jitter Generationb 0.05 maximum UI p-p, 0.005 maximum UI rms
a. Mea surement conditions: 2.5 Gb/s, 223–1 PRBS, NRZ, preset bias condition, dispersion = 1200 ps/nm, 1 x 10–10 BER.
b. Measured per GE-253 and ITU-T G.958, 12 kHz – 20 MHz filter, SDH/SONET pattern.