Экономика и менеджмент \ Управление сетями связи

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 2

Application

Intra-office communication

Inter-office communication

Short distance

Long distance

Very-long distance

Ultra-long distance

Optical source nominal wavelength (nm)

1310

1550

1310

1550

1310

1550

Fiber type

Multi-mode

G.652

STM level

STM-1

S-1.1

STM-4

S-4.1

STM-16

I-16

S-16.1

L-16.1

L-16.2/ Le-16.2

V-16.2

U-16.2

STM-64

I-64.1

S-64.2b

L-64.2b/Le-64.2

V-64.2b

Note: The transmission distances of Le-16.2 and Le-64.2 are slightly longer than those of L-16.2 and L-64.2. The OptiX OSN 9500 also supports 100G EA, the transmission distance of which is 40km.

2. Optical Interface Parameter

Parameter specifications for different optical interface types are respectively shown in Table C-2, Table C-3, Table C-4, Table C-5 and Table C-6. All indices of optical interfaces provided by the OptiX OSN 9500 are compliant with ITU-T Recommendations G.957 and G.691.

Table C-2 Parameters specified for STM-1 optical interfaces

Item		Unit	Value
Nominal bit rate		kbit/s	STM-1 155520
Classification code			S-1.1
Operating wavelength range		nm	1261–1360
Transmitter at reference point S	Optical source type		SLM
	Maximum RMS spectral width	nm	7.7
	Maximum -20dB spectral width	nm	-
	Minimum side mode suppression ratio	dB	-
	Mean launched power
	Maximum mean launched power	dBm	–8
	Minimum mean launched power	dBm	–15
	Minimum extinction ratio	dB	8.2
Optical path between reference points S and R	Attenuation range	dB	0–12
	Maximum dispersion	ps/nm	96
	Minimum return loss of optical cable at S, including any connectors	dB	NA
	Maximum discrete reflectance between S and R	dB	NA
Receiver at reference point R	Minimum sensitivity	dBm	–28
	Minimum overload	dBm	–8
	Maximum optical path penalty	dB	1
	Maximum reflectance of receiver, measured at R	dB	NA

Table C-3 Parameters specified for STM-4 optical interfaces

1 2 3 4 5 6 7 8 9

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