LR-LINK 40G Multi-mode 850nm QSFP+ 100m Optical Transceiver
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LRFQ8540-X1ATM

40G QSFP+ multimode ethernet fiber optic module
Key Features
-Single power supply +3.3V;
-Single 1x12 MPO interface;
-Multi-rate, up to 10Gb/s per channel;
-Reliable VCSEL array technology;
-Conforms to, Ethernet IEEE P802.3ba standard and SFF-8436 standard, complies with QSFP+ MSA;
-RoHS compliant;
-The transmission distance on OM3 multimode fiber can reach 100m, and the transmission distance on OM4 multimode fiber can reach up to 150m;
-Working temperature range: 0°C~70°C.

Datasheet: 

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LR-LINK LRFQ8540-X1ATM 40G QSFP+ multimode ethernet fiber optic module has 4 high-speed full-duplex channels, which can provide 4 independent sending and receiving channels, each with a transmission rate of up to 10Gb/s, and the total rate is 40Gb/s for 40GBASE-SR4 40G Ethernet. It conforms to the Ethernet IEEE P802.3ba standard and SFF-8436 standard, and is a high-performance, low-power consumption, short-connection interconnection solution.


The LRFQ8540-X1ATM is QSFP+ MSA compliant and features digital diagnostic monitoring.


Application


40GBASE-SR4 40G Etherne

Breakout four 10GBASE-SR Ethernet


Absolute Maximum Ratings

Parameter

Symbol

Min.

Typical

Max.

Unit

Data rate(per channel / total rate)

DR

 

10.5

 

Gb/s

DR

 

40

 

Gb/s

BER

BER

 

 

10−12

 

Operating temperature

TC

0

 

70

◦C

Storage temperature

TSTO

−40

 

85

◦C

Operating Voltage

VCC

3.14

3.3

3.46

V

Maximum voltage

VMAX

0.5

 

4

V

Transmitter

Parameter

Symbol

Min.

Typical

Max.

Unit

Transmitted optical power

P                

7.5

 

2.4

dBm

Optical center wavelength

λC

830

 

860

nm

Extinction Ratio @1.25Gb/s

ER

3

 

 

dB

Spectral width (RMS)

Δλ

 

 

0.65

nm

Output optical power with transmitter off (per channel)

POUT_OFF

 

 

30

dBm

Receiver

Parameter

Symbol

Min.

Typical

Max.

Unit

Receiver overload

POL

3.3

 

 

dBm

Optical center wavelength

λ C

840

 

860

nm

Average received optical power (per channel)

PRX

−9.5

 

2.4

dBm

LOS signal active

LOSA

−25

 

 

dBm

LOS signal failure

LOSD

 

 

−12

dBm

LOS signal hysteresis interval

LOSH

0.5

 

 

dB

Transmitter

Parameter

Symbol

Min.

Typical

Max.

Unit

Single-ended input voltage tolerance

V

−0.3

 

3.8

V

Differential input swing

VIN PP

180

 

1200

mV

Transmitter off voltage

VD

VCC-1.3

 

VCC

V

Transmitter enable voltage

VEN

VEE

 

VEE+0.8

V

Receiver

Parameter

Symbol

Min.

Typical

Max.

Unit

Differential output swing

VOUT PP

340

 

800

mV

Single-Ended Output Voltage Tolerance

V

−0.3

 

3.8

V

Output AC Common Mode Voltage

Vcm

 

 

7.5

mV

Output signal rise time / fall time (20%-80%)

tr/tf

28

 

 

ps

Total Jitter (p-p)

TJ

 

 

0.7

UI

Deterministic Jitter (p-p)

DJ

 

 

0.4

UI

LRFQ8540-X1ATM : QSFP+ 40Gbps +3.3V Multi mode Fiber Model 

LRFQ1340-10ATM : QSFP+ 40Gbps +3.3V Single mode Fiber Model

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