20760100300 datasheet(2/4 Pages) HARTING

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Applications

• Gigabit Ethernet Links

• Fibre Channel Links at 1.06 Gbps

• High Speed Backplane Interconnects

• Switched Backbones

Ethernet Interface - Fibre Optic

Cable types acc. to IEEE 802.3

Multimode fibre, 850 nm; 50 / 125 µm or 62.5 / 125 µm

Data rate

1.25 Gbit/s

Maximum cable length

50 / 125 µm

550 m

62.5 / 125 µm

275 m

Sensitivity

≤ -17 dBm

Wave length

850 nm

Transmitter

Output power

-9.5 ... -4 dBm

Extinction Ratio (min)

9 dB

Center wave length

830 ... 860 nm

Center wave length (typ.)

850 nm

Spectral width (FWHM) (max)

0.85 nm

RIN (max)

-117 dB/Hz

Coupled power ratio (min)

9 dB

Optical rise time (20 % ... 80 %) (max)

260 ps

Optical fall time (20 % ... 80 %) (max)

260 ps

Output eye

compliant with IEEE 802.3z / D5.0

Receiver

Maximum input optical power

-3 ... -17 dBm

Operating wave length

770 ... 860 nm

Optical return loss (min)

12 dB

Receiver Electrical 3 dB upper cutoff frequency (max) 1500 MHz

Loss of Signal - asserted (P

A) (min)

-30 dBm

Loss of Signal - deasserted (max)

-16 dBm

Loss of Signal - hysterisis (min)

0.5 dB

Timing characteristics

TX_DISABLE Assert Time (max)

10 µs

TX_DISABLE Negate Time (max)

1 ms

Time to initialize, include reset of TX_FAULT (max) 300 ms

TX_FAULT from fault to assertion (max)

100 µs

TX_DISABLE time to start reset (min)

10 µs

Receiver Loss of Signal Assert Time (max)

off to on

100 µs

on to off

100 µs

Ha-VIS GbE SFP Transceiver MM L550

Technical characteristics

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