FTLX8551 Product Specification – November 2007
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)
Values
Parameter
Symbol
Unit
min.
typ.
max.
Transmitter
Launch Power in OMA
1)
P
O-OMA
–2.8
–1.5
dBm
1)
Average Launch Power
P
O-Avg
–5
–1
dBm
1)
Center Wavelength Range
λ
C-Tx
840
850
860
Nm
1)
0.4
0.45
Nm
RMS Spectral Width
σ
I
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
P
O-OFF
–30
dBm
Transmitter
Receiver
Stressed Receiver Sensitivity in OMA
P
IN-S
–7.5
dBm
2)
Receiver Sensitivity in OMA
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. Per IEEE 802.3ae,
Average Launch Power is informative only.
2)
Receiver sensitivity, which is defined for an ideal input signal is informative only.
V. General Specifications
Optical Interface Standard Specifications
IEEE Std 802.3ae-2002 clause 52, 10GBASE-SR
Fibre Channel 10GFC Draft 4.0, 1200-M5-SN-I
Fibre Channel 10GFC Draft 4.0, 1200-M5E-SN-I
Fibre Channel 10GFC Draft 4.0, 1200-M6-SN-I
XPAK MSA 2.3
Minimum Modal Bandwidth at
850 nm (MHz*km)
160
500
200
500
2000
Operating Range
1)
(meters)
2 to 26
2 to 66
0.5 to 33
0.5 to 82
0.5 to 300
Standard
IEEE
Fibre
Channel
1)
Fiber Type
62.5 µm MMF
50 µm MMF
62.5 µm MMF
50 µm MMF
50 µm MMF
Longer reaches possible depending upon link implementation.
©
Finisar Corporation – November 2007 Rev. B
Page 7
FINISAR [ FINISAR CORPORATION. ]
