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68 XFP specifications
The stressed sensitivity values are for system level BER measurements,
which include the effects of CDR circuits. Nortel recommends that you
allocate at least 0.4 dB additional margin if you make component level
measurements without the effect of CDR circuits.
10GBASE-LR/LW XFP specifications
The 10GBASE-LX SFP provides 10 GbE service at a nominal wavelength of
1310 nm. This XFP can attain link lengths of up to 10 km.
The following table lists the transmitter specifications for the
10GBASE-LR/LW XFP. The part number of this XFP is AA1403001-E5.
For more information about the 10GBASE-LX XFP, including test and
measurement information, see the IEEE 802.3ae standard.
ATTENTION
You can configure the XFP to operate in either LAN (Ethernet) or WAN (SONET)
mode, depending on the module (8683XLR is a LAN-only module, and 8683XZR
is a LAN/ WAN module). Model numbers ending in R denote a LAN interface;
model numbers ending in W denote a WAN interface.
Table 33
IEEE 802.3ae 10GBASE-LR/LW XFP specifications
Parameter
Specifications
MTBF 675 000 hours
Center wavelength range 1260 to 1355 nm; 1310 nm nominal
Distance Up to 10 km
Link optical power budget 9.4 dB
Maximum transmitter and dispersion penalty 3.2 dB at 10 km
Transmitter characteristics
Line rate (nominal) 10GBASE-LR 10.3125 Gbit/s ±100 ppm
10GBASE-LW 9.95328 Gbit/s ±20 ppm
Average launch power -8.2 to 0.5 dBm
Minimum side mode suppression ratio 30 dB
Minimum launch power in OMA minus
transmission and dispersion penalty (TDP)
-6.2 dBm
Minimum optical modulation amplitude -5.2 dBm
Maximum average launch power of OFF
transmitter
c
-30 dBm
Minimum extinction ratio 3.5 dB
Nortel Metro Ethernet Routing Switch 8600
Installation — SFP, XFP, and GBIC Hardware Components
NN46220-301 02.04 Standard
4.2 14 February 2008
Copyright © 2008, Nortel Networks
.