100G 4WDM 40KM QSFP28光模块（工业级）

Description
This product is a 100Gb/s transceiver module designed for optical communication applicationscompliant to QSFP28 4WDM 40KM MSA standard. The module converts 4 input channels of 25Gb/s electrical data to 4 channels of LAN WDM 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 LAN WDM optical signals and then converts them to 4 output channels of electrical data.
The central wavelengths of the 4 LAN WDM channels are 1295.56,1300.05,1304.58 and 1309.14 nm as members of the LAN WDM wavelength grid defined in IEEE 802.3ba. The high performance cooled LAN WDM DFB transmitters and high sensitivity APD receivers provide superior performance for 100Gigabit Ethernet applications up to 30km links without FEC and up to 40km links with FEC interconnections.

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
● Supports data rate up to 103.1Gb/s
● Supports QSFP28 4WDM 40km MSA
● 4 x 25Gb/s DFB-based LAN-WDM Cooling transmitter
● 4 channels APD ROSA
● Internal CDR circuits on both receiver and transmitter channels
● Low power consumption<3.8W
● Hot Pluggable QSFP form factor
● Up to 30kmreachfor G.652 SMF without FEC
● Up to 40kmreach for G.652 SMF with FEC
● Duplex LC receptacles
● Operating case temperature -40°C to +85°C
● 3.3V power supply voltage
● RoHS 6 compliant(lead free)

Applications
● IEEE 802.3ba 100GBASE ER4Links
● Client-side 100G interconnections

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	-40	85	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	-40		85	ºC
Data Rate Per Lane	fd		25.78125		Gbps
Humidity	Rh	5		85	%
Power Dissipation	P			3.8	W
Link Distance with G.652	D	0.002		40	km

Electrical Specifications

Parameter	Symbol	Min	Typical	Max	Unit
Power Consumption	P			3.5	W
Supply Current	Icc			1.06	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			900	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		850	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
Table 3 – Optical Characteristics

QSFP28 100GBASE-4WDM
Parameter	Symbol	Min	Typical	Max	Unit	Notes
Lane Wavelength	L0	1294.53	1295.56	1296.59	nm
	L1	1299.02	1300.05	1301.09	nm
	L2	1303.54	1304.58	1305.63	nm
	L3	1308.09	1309.14	1310.19	nm
Transmitter
SMSR	SMSR	30			dB
Total Average Launch Power	PT			12.5	dBm
Average Launch Power,each Lane	PAVG	-2.5		6.5	dBm
OMA, each Lane	POMA	0.5		6.5	dBm	1
Difference in Launch Power between any Two Lanes (OMA)	Ptx,diff			3	dB
Launch Power in OMA minus Transmitter and Dispersion Penalty (TDP), each Lane		-0.5			dBm
TDP, each Lane	TDP			3.0	dB
Extinction Ratio	ER	4.5			dB
RIN20OMA	RIN			-130	dB/Hz
Optical Return Loss Tolerance	TOL			20	dB
Transmitter Reflectance	RT			-12	dB
Eye Mask coordinates:X1, X2, X3, Y1, Y2, Y3		{0.25, 0.4, 0.45, 0.25, 0.28, 0.4}				2
Average Launch Power OFF Transmitter, each Lane	Poff			-30	dBm
Receiver
Damage Threshold, each Lane	THd	-6			dBm	3
Average Receive Power, each Lane		-20.5		-7	dBm
Receive Power (OMA), each Lane				-7	dBm
Receiver Sensitivity (OMA), each Lane（BER = 5×10–5）	SEN1			-18.5	dBm
Receiver Sensitivity (OMA), each Lane（BER = 1×10–12）	SEN1			-15	dBm
StressedReceiver Sensitivity (OMA), each Lane（BER = 5×10–5）				-16	dBm	4
Difference in Receive Power between any Two Lanes (OMA)	Prx,diff			3.6	dB
LOS Assert	LOSA		-26		dBm
LOS Deassert	LOSD		-24		dBm
LOS Hysteresis	LOSH	0.5			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, each Lane			2.5		dB	5
Stressed Eye J2 Jitter, each Lane			0.33		UI
Stressed Eye J9 Jitter, each Lane			0.48		UI

Note：

• Even if the TDP < 1 dB, the OMA min must exceed theminimum valuespecified here.
• See Figure 4 below.
• 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 = 5×10^–5.
• 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-4WDM-40I	QSFP28 4WDM,LAN_WDM 40km,-40°C to +85°C

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