100GBASE QSFP28 CWDM4 10KM光模块

Description
This product is a 100Gb/s transceiver module designed for optical communication applications compliant with the QSFP MSA,CWDM4 MSA,100G 4WDM4-10 MSA and portions of IEEE P802.3bm standard. The module converts 4 input channels of 25Gb/s electrical data to 4 channels of CWDM optical signals and then multiplexes them into a single channel for 100Gb/s optical transmission. Reversely on the receiver side, the module de-multiplexes a 100Gb/s optical input into 4 channels of CWDM optical signals and then converts them to 4 output channels of electrical data.
The central wavelengths of the 4 CWDM channels are 1271, 1291, 1311 and 1331 nm as members of the CWDM wavelength grid defined in CWDM4 MSA and 4WDM4-10 MSA. The high performance Uncooled CWDM DFB transmitters and high sensitivity PIN receivers provide superior performance for 100Gigabit Ethernet applications up to 10km links .
The product is designed with form factor, optical/electrical connection and digital diagnostic interface according to the QSFP+ Multi-Source Agreement (MSA). It has been designed to meet the harshest external operating conditions including temperature, humidity and EMI interference.

Features
● 4 channels full-duplex transceiver modules
● Transmission data rate up to 26Gbps per channel
● 4 x 26Gb/s DFB-based CWDM uncooled transmitter
● 4 channels PIN ROSA
● Internal CDR circuits on both receiver and transmitter channels
● Non airtight optical engine design
● Qualified under temperature 85°C and humidity 85% @500 hours (the variation of TX≤2.5 dBm, RX≤1.5 dBm)
● Low power consumption <3.5W
● Hot Pluggable QSFP form factor
● Up to reach 10km for G.652 SMF[with KR4 FEC]
● Duplex LC receptacles
● Built-in digital diagnostic functions
● Operating case temperature 0°C to +70°C
● 3.3V power supply voltage
● RoHS 6 compliant(lead free)

Applications
● Data Center Interconnect.
● 100G 4WDM-10 10km reach.
● 100G CWDM4 applications.
● Infiniband EDR interconnects.
● Enterprise networking

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply Voltage	Vcc	-0.3	3.6	V
Input Voltage	Vin	-0.3	Vcc+0.3	V
Storage Temperature	Tst	-20	85	ºC
Case Operating Temperature	Top	0	70	ºC
Humidity(non-condensing)	Rh	5	85	%
Damage Threshold, each Lane	TH	5.5		dBm

Recommended Operating Conditions

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	3.13	3.3	3.47	V
Operating Case temperature	Tca	0		70	ºC
Data Rate Per Lane	fd		25.78125		Gbps
Humidity	Rh	5		85	%
Power Dissipation	P			3.5	W
Link Distance with G.652	D	0.002		10	km

Electrical Specifications

Parameter	Symbol	Min	Typical	Max	Unit
Power Consumption	P			3.5	W
Supply Current	Icc			1.12	A
Transceiver Power-on          Initialization Time				2000	ms
Transmitter(each Lane)
Single-ended Input Voltage Tolerance		-0.3		4.0	V
AC Common Mode Input Voltage Tolerance		15			mV
Differential Input Voltage		50			mVpp
Differential Input Voltage Swing	Vin	190		1000	mVpp
Differential Input Impedance	Zin	90	100	110	Ohm
Receiver(each Lane)
Single-ended Output Voltage		-0.3		4.0	V
AC Common Mode Output Voltage				7.5	mV
Differential Output Voltage Swing	Vout	300		900	mVpp
Differential Output Impedance	Zout	90	100	110	Ohm

Note：Power-on Initialization Time is the time from when the power supply voltages reach and remain above the minimum recommended operating supply voltages to the time when the module is fully functional.

Optical Characteristics  

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Lane Wavelength	L0	1264.5	1271	1277.5	nm
	L1	1284.5	1291	1297.5	nm
	L2	1304.5	1311	1317.5	nm
	L3	1324.5	1331	1337.5	nm
Transmitter
SMSR	SMSR	30			dB
Total Average Launch Power	PT			8.5	dBm
Average Launch Power,each Lane	PAVG	-6.5		2.5	dBm
OMA, each Lane	POMA	-4.0		2.5	dBm	1
Launch power in OMA minus TDP		-5			dB
TDP, each Lane	TDP			3.0	dB
Extinction Ratio	ER	3.5			dB
RIN20OMA	RIN			-130	dB/Hz
Optical Return Loss Tolerance	TOL			20	dB
Transmitter Reflectance	RT			-20	dB
Eye Mask coordinates:X1, X2, X3, Y1, Y2, Y3		{0.31, 0.4, 0.45, 0.34, 0.38, 0.4}				2
Average Launch Power OFF Transmitter, each Lane	Poff			-30	dBm
Receiver
Damage Threshold, each lane	THd	3.5			dBm	3
Average Receive Power, each lane		-13.0		2.5	dBm
Receive Power (OMA),   each lane				2.5	dBm
Receiver Sensitivity (OMA), each Lane	SEN			-11.5	dBm	4
Stressed Receiver Sensitivity (OMA),   each Lane				-8.6	dBm	5
LOS Assert	LOSA		-16		dBm
LOS Deassert	LOSD		-14		dBm
LOS Hysteresis	LOSH	0.5		2	dB
Receiver Electrical 3 dB upper Cutoff Frequency, each Lane	Fc			31	GHz
Conditions of Stress Receiver Sensitivity Test (Note 5)
Vertical Eye Closure Penalty	VECP	1.9			dB	6
Stressed Eye J2 Jitter	J2	0.33			UI
Stressed Eye J4 Jitter,	J4	0.48			UI

Note：

• Even if the TDP < 1 dB, the OMA min must exceed theminimum valuespecified here.
• Hit ratio of 5e-5, per IEEE; See Figure 2
• The receiver shall be able to tolerate, without damage, continuous exposure to a modulated optical input signal having this power level on one lane. The receiver does not have to operate correctly at this input power.
• Measured with conformance test signal at receiver inputfor BER = 5e-5 BER.
• Measured with 4WDM-10MSAconformance test signal at TP3 for 5e-5BER.
• Vertical eye closure penalty and stressed eye jitter are test conditions for measuring stressed receiver sensitivity. They are not characteristics of the receiver.

Mechanical Dimensions

Ordering information

Part Number	Product Description
FTQ2-HG-CWDM4-10	100GE, QSFP28, 100GBASE CWDM4  2km

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