100G QSFP28 2km Optical Transceiver

Оптический модуль 100G QSFP28 2km - это подключаемый модуль, предназначенный для высокоскоростной оптической связи малой и средней дальности. Он подходит для передачи данных по оптоволокну со скоростью 100 Гбит/с (4× 25 Гбит/с или 1×100 Гбит/с) в центрах обработки данных, корпоративных сетях и других сценариях.

Specification

Resources

Features

l Lane bit rate 25.78 Gb/s;

l Single +3.3V power supply;

l Compliant to IEEE802.3bm;

l Up to 2km transmission on SMF;

l Compliant to 100G CWDM4 MSA;

l CWDM DML laser and PIN receiver;

l Maximum power consumption 3.5 W;

l Compliant to SFF-8665 and SFF-8679;

l Operating case temperature: 0 to +70 °C;

l High speed I/O electrical interface (CAUI-4);

l Supports 100GBASE-CWDM4(103.1Gb/s);

l Complies with EU Directive 2011/65/EU (RoHS 6);

l QSFP28 MSA package with duplex LC connector;

l I2C interface with integrated Digital Diagnostic monitoring;

Application

l 100GBASE-CWDM4 application with FEC;

Absolute Maximum Ratings

Table 1-Absolute Maximum Ratings

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Storage Temperature	T_S	-40	-	+85	°C
Supply Voltage	V_CC	-0.5	-	+4.0	V
Operating Relative Humidity	RH	-	-	+85	%

Recommended Operating Conditions

Table 2-Recommended Operating Conditions

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Operating Case Temperature	T_C	0	-	+70	°C
Power Supply Voltage	V_CC	3.13	3.3	3.47	V
Power Supply Current	I_CC	-	-	1.1	A
Maximum Power Dissipation	P_D	-	-	3.5	W
Aggregate Bit Rate	BR_AVE	-	103.125	-	Gb/s
Lane Bit Rate	BR_LANE	-	25.78	-	Gb/s
Transmission Distance	TD		-	2	km	Over SMF

Optical Characteristics

Table 3-Optical Characteristics

Transmitter
Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Center Wavelength Lane 0	λ₀	1264.5	1271	1277.5	nm
Center Wavelength Lane 1	λ₁	1284.5	1291	1297.5	nm
Center Wavelength Lane 2	λ₂	1304.5	1311	1317.5	nm
Center Wavelength Lane 3	λ₃	1324.5	1331	1337.5	nm
Total Launch Power, 100GE	P_ALL	-	-	8.5	dBm	1
Average Launch Power per Lane, 100GE	P_{TX_LANE}	-6.5	-	2.5	dBm	1
OMA per Lane, 100GE	OMA	-4	-	2.5	dBm	1
OMA–TDP per Lane, 100GE	OMA_TDP	-5.0	-	-	dBm
Difference in launch power between lanes	P_{TX_Delta_LANE}	-	-	6.0	dB
Average Output Power (Laser Turn off)	P_0UT-OFF	-	-	-30	dBm
Side Mode Suppression Ratio	SMSR	30	-	-	dB
Extinction Ratio, 100GE	ER	3.5	-	-	dB
Transmitter and Dispersion Penalty	TDP	-	-	3.0	dB	2
Optical Return Loss Tolerance	ORLT	-	-	20	dB

Optical Eye Mask, 100GE {X1,X2,X3,Y1,Y2,Y3}	Compliant with 100G CWDM4 MSA {0.31,0.4,0.45,0.34,0.38,0.4}					2
Receiver
Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Center Wavelength Lane 0	λ₀	1264.5	1271.0	1277.5	nm
Center Wavelength Lane 1	λ₁	1284.5	1291.0	1297.5	nm
Center Wavelength Lane 2	λ₂	1304.5	1311.0	1317.5	nm
Center Wavelength Lane 3	λ₃	1324.5	1331.0	1337.5	nm
OMA Sensitivity per Lane, 100GE	Rxsens	-	-	-11.5	dBm	3
Stressed receiver sensitivity (OMA), per lane	SRS_OMA	-	-	-7.3	dBm	3
SRS eye mask definition, 100GE {X1,X2,X3,Y1,Y2,Y3}	Compliant with 100G CWDM4 MSA {0.39,0.5,0.5,0.39,0.39,0.4}
Damage threshold	Pdamage	3.5	-	-	dBm
Receive Saturation (OMA) per Lane	Rmax	2.5	-	-	dBm
Reflectance	Ref	-	-	-26	dB
LOS Assert per lane	LOS_A	-25	-	-	dBm
LOS De-assert	LOS_D	-	-	-13	dBm
LOS Hysteresis	LOS_H	0.5	-	6	dB

1. The optical power is launched into SMF.

2. Measured with a PRBS 2³¹-1 test pattern @25.78125Gb/s, Hit ratio≤5E-5.

3. Measured with a PRBS 2³¹-1 test pattern @25.78125 Gb/s, BER≤5E-5.

Electrical Characteristics

High-Speed Signal: Compliant to CAUI-4 (IEEE 802.3bm)

Low-Speed Signal: Compliant to QSFP-8679.

Table 5-Electrical Characteristics

Transmitter (Module Input)
Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Differential Data Input Amplitude	V_IN,P-P	85	-	900	mVpp
Differential Termination Mismatch		-	-	10	%
LPMode, Reset and ModSelL, V in low	V_IL	-0.3	-	0.8	V
LPMode, Reset and ModSelL, V in high	V_IH	2.0	-	V_CC+0.3	V
Receiver (Module Output)
Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Differential Data Output Amplitude	V_OUT,P-P	200	-	900	mVpp
Differential Termination Mismatch（1MHZ）		-	-	10	%
Output Rise/Fall Time, 20%~80%	T_R	12	-	-	ps
ModPrsL and IntL, V out low	V_OL	0	-	0.4	V
ModPrsL and IntL, V out high	V_OH	V_CC-0.5	-	V_CC+0.3	V

Digital Diagnostics

Table 6-Digital Diagnostics

Parameter	Range	Accuracy	Unit	Calibration
Temperature	0 to 70	±3	ºC	Internal
Voltage	0 to V_CC	0.1	V	Internal
Tx Bias Current Per Lane	0 to 100	10%	mA	Internal
Tx Output Power Per Lane	-6.5 to 3	±3	dBm	Internal
Rx Power (Each Lane)	-11.5 to 3	±3	dBm	Internal

Pin Definitions

PIN	Logic	Symbol	Description	Plug Seq.	Notes
1		GND	Ground	1	1
2	CML-I	Tx2n	Transmitter Inverted Data Input	3
3	CML-I	Tx2p	Transmitter Non-Inverted Data output	3
4		GND	Ground	1	1
5	CML-I	Tx4n	Transmitter Inverted Data Input	3
6	CML-I	Tx4p	Transmitter Non-Inverted Data output	3
7		GND	Ground	1	1
8	LVTLL-I	ModSelL	Module Select	3
9	LVTLL-I	ResetL	Module Reset	3
10		VccRx	﹢3.3V Power Supply Receiver	2	2
11	LVCMOS-I/O	SCL	2-Wire Serial Interface Clock	3
12	LVCMOS-I/O	SDA	2-Wire Serial Interface Data	3
13		GND	Ground	1
14	CML-O	Rx3p	Receiver Non-Inverted Data Output	3
15	CML-O	Rx3n	Receiver Inverted Data Output	3
16		GND	Ground	1	1
17	CML-O	Rx1p	Receiver Non-Inverted Data Output	3
18	CML-O	Rx1n	Receiver Inverted Data Output	3
19		GND	Ground	1	1
20		GND	Ground	1	1
21	CML-O	Rx2n	Receiver Inverted Data Output	3
22	CML-O	Rx2p	Receiver Non-Inverted Data Output	3
23		GND	Ground	1	1
24	CML-O	Rx4n	Receiver Inverted Data Output	3
25	CML-O	Rx4p	Receiver Non-Inverted Data Output	3
26		GND	Ground	1	1
27	LVTTL-O	ModPrsL	Module Present	3
28	LVTTL-O	IntL	Interrupt	3
29		VccTx	+3.3 V Power Supply transmitter	2	2
30		Vcc1	+3.3 V Power Supply	2	2
31	LVTTL-I	LPMode	Low Power Mode	3
32		GND	Ground	1	1
33	CML-I	Tx3p	Transmitter Non-Inverted Data Input	3
34	CML-I	Tx3n	Transmitter Inverted Data Output	3
35		GND	Ground	1	1
36	CML-I	Tx1p	Transmitter Non-Inverted Data Input	3
37	CML-I	Tx1n	Transmitter Inverted Data Output	3
38		GND	Ground	1	1

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Resources

100G QSFP28 2km Optical Transceiver