Iv. optical characteristics – Finisar XENPAK Transponder FTLX8561E2 User Manual

Page 7

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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.


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