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FTLX8561E2 Product Specification – October 2008
© Finisar Corporation – October 2008 Rev B Page 7
IV. Optical Characteristics
(V
CC5
= 4.75 V to 5.25 V, V
CC3
= 3.14 V to 3.47 V, V
CC aps
= 1.152 V to 1.248 V, T
C
= 0°C to 70°C, BER
1E-12, Bit Rate 10.3125)
Values
Parameter Symbol
min. typ. max.
Unit
Transmitter
Launch Power in OMA
1)
P
O-OMA
–2.8 –1.5 dBm
Average Launch Power P
O-Avg
–5 –1 dBm
Transmitter and Dispersion Penalty TDP 3.9 dB
Center Wavelength Range
1)
λ
C-Tx
840 850 860 nm
RMS Spectral Width
1)
σ
I
0.4 0.45 nm
Extinction Ratio ER 3 5.5 dB
Relative Intensity Noise
12
OMA RIN –128 dB/Hz
Eye Mask Definition According to IEEE 802.3ae
Encircled Flux EF at 19 µm ≥86%, at 4.5 µm ≤ 30%
Optical Return Loss Tolerance ORL
T
12 dB
Average Launch Power of OFF
Transmitter
P
O-OFF
–30 dBm
Receiver
Stressed Receiver Sensitivity in OMA P
IN-S
–7.5 dBm
Receiver Sensitivity in OMA
2)
P
IN
–11.1 dBm
Average Receive Power P
IN-max
-1 dBm
Signal Detect Deassert Level P
SDL
–14.5 dBm
Signal Detect Assert Level P
SD
–18.0 dBm
Signal Detect Hysteresis P
SD
0.5 1.5 dB
Receiver Reflectance REF
RX
–12 dB
Center Wavelength Range λ
C-RX
840 860 nm
1)
Conforms to IEEE triple trade-off between center wavelength, RMS spectral width and minimum OMA.
2)
Receiver sensitivity, which is defined for an ideal input signal is informative only.
V. General Specifications
Optical Interface Standard Specifications
Standard Fiber Type
Minimum Modal Bandwidth at
850 nm (MHz*km)
Operating Range
1)
(meters)
62.5 µm MMF 160 2 to 26
50 µm MMF 400 2 to 66
50 µm MMF 500 0.5 to 82
IEEE
50 µm MMF 2000 0.5 to 300
Notes:
1) Operating range as defined by IEEE standards. Longer reach possible depending upon link implementation.