Datasheet

FTLX8541 Product Specification – November 2007
© Finisar Corporation – November 28, 2007 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
TDP 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 and Fibre Channel
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 IEEE
50 µm MMF 400 2 to 66
62.5 µm MMF 200 0.5 to 33
50 µm MMF 500 0.5 to 82
Fibre
Channel
50 µm MMF 2000 0.5 to 300
Notes:
1) Operating range as defined by IEEE and Fibre Channel standards. Longer reach possible depending upon link implementation.