Nortel Networks 1000BASE-SX - Manual (Page 75)

10GBASE-SR XFP specifications 75
CAUTION
To prevent damage to the optical receiver, ensure that at least 1 dB
of attenuation is present between the transmit and receive ports.
Table 39
IEEE 802.3ae 10GBASE-SR XFP specifications
Parameter Specifications
Data rate 10.0 Gbit/s
Line rate (64B/66B code) 10.3125 gigabits per second (Gbit/s) ± 100 parts per
million (ppm)
Mean Time Between Failures (MTBF) 675 000 hours
Center wavelength range 840 to 860 nanometers (nm), nominal 850 nm
Distance Using 62.5 µm MMF optic cable
• 160 MHz-km fiber: 2 m to 26 m
• 200 MHz-km fiber: 2 m to 33 m
Using 50 µm MMF
• 400 MHz-km fiber: 2 m to 66 m
• 500 MHz-km fiber: 2 m to 82 m
• 2000 MHz-km fiber: 2 m to 300 m
Link optical power budget 7.3 dB
Maximum transmitter and dispersion
penalty 3.9 dB at 300 m
Transmitter characteristics
Root-mean-square spectral width 0.05 to 0.40 nm
Launch power -7.3 to -1.0 decibels referenced to 1 milliwatt (dBm)
Maximum average launch power of OFF
transmitter -30 dBm
Minimum extinction ratio 3.0 dB
Maximum relative intensity noise
12
OMA -128 dB per Hertz (dB/Hz)
Maximum optical return loss tolerance -12 dB
Receiver characteristics
Maximum average receive power -9.9 to -1.0 dBm
Nortel Metro Ethernet Routing Switch 8600
Installation — SFP, XFP, GBIC, and OADM Hardware Components
NN46220-301 01.01 Standard
5.0 1 May 2008
Copyright © 2008, Nortel Networks
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