Optical Module

40Gbps 10km LC QSFP+ Transceiver

Description

The QSFP+transceiver is designed for a 10 kilometer long 40 Gigabit Ethernet link on single-mode fiber. The transceiver is compatible with SFF-8436 and SFF-8636. Please refer to SFF-8436 and SFF-8636 for details.

product details

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Specification parameter

Name	40G single mode
Model number	ZHLQ-1640G-10	Brand	Zhilian Hengtong
Package type	QSFP+	Transmission rate	40G
Wave length	1310nm	Transmission distance	10km
Port	LC	Fiber type	9/125µm SMF
Laser type	CWDM	Receiver type	PIN-TIA
Transmitted optical power	-7~+2.3dBm	Receiving sensitivity	-11.5dbm
Power	<3.3W	Receive overload	2.3dBm
Power dissipation		Extinction ratio	≥3.5DB
CDR (Clock Data Recovery)		FEC function
Commercial temperature	0~70℃	Agreement	SFF-8436/SFF- 8636/IEEE802.3ba

Module Block Diagram

Features

* Supports a total bit rate of 41.2Gbps

* Uncooled 4x10.3Gbps CWDM transmitter

* High sensitivity PIN-TIA receiver

* Up to 10 kilometers on SMF

* Duplex LC socket

* Hot swappable QSFP+appearance

* Power consumption<3.5W

* all metal shell with excellent EMI performance

* Complies with RoHS6 standards (lead-free)

* Working box temperature:

Commercial: 0 º C to+70 ° C

Applications

* 40GBASE-LR4

* InfiniBand QDR and DDR interconnects

* 40G Telecom connections

Standards

* Compliant with SFF-8436

* Compliant with SFF-8636

* Compatible with IEEE802.3ba

Recommended Operating Environment

Parameter	Symbol	Min.	Typical	Max.	Unit
Power Supply Voltage	VCC	3.13	3.3	3.46	V
Power Supply Current	ICC			1000	mA
Power Dissipation	PD			3.5	W
Operating Case Temperature	TC	0		+70	口C
Aggregate Data Rate	-		41.25		Gbps
Bit Rate per Lane	BR		10.3125		Gbps

Electrical Characteristics

Parameter	Symbol	Min.	Typical	Max.	Unit	Note
Transmitter Section
Input Differential Impedance	Rin	90	100	110	Ω
Differential Data Input Swing	Vin PP	180		1000	mV	1
Receiver Section
Differential Data Output Swing	Vout PP	300		850	mV

Notes:

1. Connected directly to TX data input pins. AC coupling from pins into laser driver IC.

Optical Parameters

Parameter	Symbol	Min.	Typical	Max.	Unit	Note
Transmitter Section
Lane Centre Wavelength (range)	λ0	1264.5	1271	1277.5	nm
	λ 1	1284.5	1291	1297.5	nm
	λ2	1304.5	1311	1317.5	nm
	λ3	1324.5	1331	1337.5	nm
Spectral Width (-20dB)	Δλ			1	nm
Side Mode Suppression Ratio	SMSR	30			dB
Average Optical Power per Lane	Pout	-7.0		+2.3	dBm	1
OMA Power per Lane	OMA	-4		3.5	dBm	1
Laser Off Power per Lane	Poff	-	-	-30	dBm
Extinction Ratio	ER	3.5	-	-	dB	2
Relative Intensity Noise	RIN	-	-	-128	dB/Hz
Optical Return Loss Tolerance		-	-	20	dB
Transmitter eye mask definition {X1, X2, X3, Y1, Y2, Y3}	Compliant with IEEE802.3ba {0.25, 0.4, 0.45, 0.25, 0.28, 0.4}					2
Receiver Section
Lane Center Wavelength (range)	λ0	1264.5		1277.5	nm
	λ 1	1284.5		1297.5	nm
	λ2	1304.5		1317.5	nm
	λ3	1324.5		1337.5	nm
Average Receiver Power per Lane	RXPX	-13.7		2.3	dBm	3
OMA Sensitivity per Lane	RXsens			-11.5	dBm	3
Los Assert	LOSA	-30	-	-	dBm
Los Dessert	LOSD	-	-	-16	dBm
Los Hysteresis	LOSH	0.5	-	5	dB
Overload per Lane	Pin-max	-	-	2.3	dBm	3
Receiver Reflectance		-	-	-12	dB
Damage Threshold per Lane		-	-	3.5	dBm

Notes:

1. The optical power is launched into 9/ 125µm SMF.

2. Measured with a PRBS 2³¹- 1 test pattern @10.3125Gbps.

3. Measured with a PRBS 2³¹- 1 test pattern @10.3125Gbps, ER=4dB, BER <10^-12 .

Digital Diagnostic Functions

The QSFP+ transceivers support the 2-wire serial communication protocol as defined in the QSFP+ MSA, which allows real-time access to the following operating parameters:

* Transceiver temperature

* Laser bias current

* Transmitted optical power

* Received optical power

* Transceiver supply voltage