QSFP28 ER4 Lite RX ONLY Optical Transceiver Module - 北亿纤通|F-tone Networks-全球光芯片光器件光模块光通信系统产品领导者!

Description
This product is a 100Gb/s receiver module designed for optical communication applications compliant to QSFP28 4WDM 40km MSA/100GBASE-ER4 Lite/OTU4 standard. On the receiver side, the module de-multiplexes a 111.8Gb/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 receiver modules
● Supports data rate up to 111.8Gb/s
● Supports QSFP28 4WDM 40km MSA \100GBASE-ER4 Lite\OTU4
● 4 channels APD ROSA
● Internal CDR circuits on receiver channels
● Low power consumption <2.5W
● Hot Pluggable QSFP form factor
● Up to 30km reach for G.652 SMF without FEC
● Up to 40km reach for G.652 SMF with FEC
● LC receptacles
● 3.3V power supply voltage
● RoHS 6 compliant(lead free)
● Case operating temperature
Commercial: 0 ~ +70℃
Industrial: -40 ~ +85℃

Applications
● IEEE 802.3ba 100GBASE ER4 Links
● Client-side 100G interconnections
● OTN OTU4

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			2.5	W
Link Distance with G.652	D	0.002		40	km

Electrical Specifications

Parameter	Symbol	Min	Typical	Max	Unit
Power Consumption	P			2.5	W
Supply Current	Icc			0.7	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

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-ER4 Lite
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
Receiver
Damage Threshold, each Lane	TH_d	-6			dBm	1
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	@100GE
Receiver Sensitivity (OMA), each Lane （BER = 1×10^–¹²）	SEN2			-15	dBm	@100GE
Stressed Receiver Sensitivity (OMA), each Lane（BER = 5×10^–⁵）	SEN3			-16	dBm	2
Receiver Sensitivity (OMA), each Lane （BER = 5×10^–⁵）	SEN4			-18	dBm	@OTU4
Receiver Sensitivity (OMA), each Lane （BER = 1×10^–¹²）	SEN5			-14	dBm	@OTU4
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	3
Stressed Eye J2 Jitter, each Lane			0.33		UI
Stressed Eye J9 Jitter, each Lane			0.48		UI

Note：

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@25.78125Gbps.
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-ER4R	QSFP28 ER4 Lite RX ONLY 30km w/o FEC/40km with FEC , 0 ~ +70℃
FTQ2-HG-ER4RI	QSFP28 ER4 Lite RX ONLY 30km w/o FEC/40km with FEC -40 ~ +85℃

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注：本产品有全国产化型号可选

Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

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