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Table 23. DWDM SFP Modules: Optical Specifications
Product ID
Receiver Wavelength
Range (nm) Transmitter Stability (pm) Spectral Width (pm)
Transmit Power
Range (dBm)
ONS-SC-2G-xx.x=
1
1260–1620
2
–100 to +100 (100 GHz spacing) 200 0 to +4
ONS-SC-4G-xx.x= 1260–1620 –100 to +100 (100 GHz spacing) 200 +3 to +7
1. Product ID xx.x ranges from 30.3 to 60.6.
2. Receiver sensitivity specified over 1528–1561 nm only, with 2 dB degradation permitted outside of this range.
Table 24. DWDM SFP Modules: Optical Performance
Optical Performance
Power-Limited Performances
2G DWDM SFP 4G DWDM SFP
Input power range dBm –9 to –28 At BER=10e-12 with SONET framed PRBS23
at OSNR of 21dB, 0.1nm BW
–9 to –22 At BER=10e-12 with SONET
framed PRBS23 at OSNR of
26dB, 0.1nm RBW
Dispersion tolerance ps/nm –800 to
+2400
Power Penalty=3dB, OSNR=21dB at
0.1nmBW (Noise Penalty=0dB)
–800 to
+1600
–9 to –20 dBm with OSNR=26dB
at 0.1nm RBW (Noise
Penalty=0dB)
Noise-Limited Performances
Input power range dBm –9 to –22 At BER=10e-12 with SONET framed PRBS23
at OSNR of 16dB at 0.1nm bandwidth
–9 to –18 At BER=10e-12 with SONET
framed PRBS23 at OSNR of
22dB at 0.1nm bandwidth
Dispersion tolerance ps/nm –800 to
+2400
Noise Penalty=3dB, OSNR=19dB at 0.1nmBW
(Power Penalty=0dB)
–800 to
+1600
–9 to –18 dBm with OSNR=25dB
at 0.1nmBW (Power
Penalty=0dB)
Grey XFP Modules
Cisco offers a set of Grey XFP modules for 10-Gbps applications. Table 25 lists the optical parameters.
Table 25. XFP Modules: Optical Specifications
Product ID
Transmitter
Wavelength
Range (nm)
Transmit Power
Range (dBm)
Receiver
Wavelength Range
(nm)
CD Robustness
(ps) Receiver Power Range (dBm)
ONS-XC-10G-S1= 1260–1335 –6 to –1
1
–8.2 to +0.5
2
1260–1565 6.6 –11 to –1
1
–14.4 to +0.5
2, 3
ONS-XC-10G-I2= 1530–1565 –1 to [phone] to +2
ONS-XC-10G-L2= 1530–1565 0 to [phone] to –7
ONS-XC-10G-SR-MM= 840–860 –7.3 to –1 840–860 – –9.9 to –1
ONS-XC-8G-SM= 1260–1360 –8.4 to +0.5 1260–1360 – –13.8 (–11.8 stressed) to +0.5
(targeting up to 10km distance)
ONS-XC-8G-MM= 840–860 –8.2 to –1.5 840–860 – 0.151 mW (stressed received in
OMA)
1. SONET/SDH application
2. 10GE/10G Fibre Channel application
3. Stressed receiver sensitivity (maximum) in OMA is -10.3 dBm