Nortel Networks 8300 - Manual (Page 43)

10GBASE-SR XFP specifications 43
Table 14
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 µ m MMF optic cable:
• 160 MHz-km fiber: 2 to 26 m
• 200 MHz-km fiber: 2 to 33 m
Using 50
µ
m MMF optic cable:
• 400 MHz-km fiber: 2 to 66 m
• 500 MHz-km fiber: 2 to 82 m
• 2000 MHz-km fiber: 2 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
Average receive power for BER 10 -12 -9.9 to -1.0 dBm
Maximum average receive power for
damage 0 dBm
Maximum receiver sensitivity in OMA -11.1 dBm
Maximum receiver reflectance -12 dB
Stressed receiver sensitivity in OMA -7.5 dBm
Receiver electrical 3 dB upper cutoff
frequency 12.3 gigaHertz (GHz)
Nortel Ethernet Routing Switch 8300
Installation — SFPs and XFPs
NN46200-307 01.04 Standard
4.0 14 February 2008
Copyright © 2008, Nortel Networks
.