QSFP+ | 40G | Multi-mode | 70M

LRFQ8540-X1ATM

40G QSFP+ multimode ethernet fiber optic module

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.

LRFQ8540-X1ATM

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Overview Specifications Related products

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
Data rate(per channel / total rate)	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