Main Indices of the OptiX OSN 950. Permitted Frequency Deviation of Optical Input Interface. Output Frequency Precision of Internal Oscillator in Free-Run Mode, страница 4

Table C-5 Parameters specified for STM-16 optical interfaces (continued)

Item		Unit	Value
Nominal bit rate		kbit/s	STM-16 2488320
Classification code			Le-16.2	V-16.2	U-16.2
Transmitter at reference point S	Operating wavelength range	nm	1530 - 1565	1530 - 1565	1530-1565
	Maximum mean launched power	dBm	7	15	18
	Minimum mean launched power	dBm	5	13	15
	Spectral characteristics		ffs	ffs	ffs
	Maximum -20dB spectral width	dBm	ffs	ffs	ffs
	Modulator chirp	-	x	x	x
	Maximum spectral power density	mW/MHz	ffs	ffs	ffs
	Minimum side mode suppression ratio	dB	ffs	ffs	ffs
	Minimum extinction ratio	dB	8.2	8.2	10
	Minimum signal-to-noise ratio	dB	N/A	N/A	ffs
Optical path between MPI-S and MPI-R	Attenuation range
	Maximum value	dB	28	39	47
	Minimum value	dB	18	25	36
	Chromatic dispersion
	Maximum value	ps/nm	3400	2800	3200
	Minimum value	ps/nm	1800	N/A	N/A
	Total mean polarization mode dispersion (order 1)	ps	N/A	N/A	40
	Minimum return loss of optical cable at S, including any connectors	dB	N/A	24	24
	Maximum discrete reflectance between S and R	dB	–27	–27	–27
Receiver at reference point R	Minimum sensitivity	dBm	–28	–28	–34
	Minimum overload	dBm	–9	–9	–18
	Maximum optical path penalty	dB	2	2	2
	Maximum reflectance of receiver, measured at R	dB	–27	–27	–27

Table C-6 Parameters specified for STM-64 optical interfaces

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