QSFP28 CWDM4 100G - ACTIVE PRODUCTS - Accelight Technologies, Inc.

QSFP28 CWDM4 100G

Accelight’s QSFP28 CWDM4 transceiver module is designed for use in 100 Gigabit Ethernet links over 2km with FEC single mode fiber. Digital diagnostics functions are available via an I2C interface, as specified by the QSFP28 MSA.

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Product Details

Product Features

Supports 103Gbps

Single 3.3V power supply

Power dissipation : <3.5W

Up to 2km over SMF

Commercial case temperature range of 0°C to 70°C

PIN and TIA array on receiver side

4x25Gbps DFB-based CWDM transmitter

Duplex LC receptacles

I2C interface with integrated Digital Diagnostic Monitoring
Applications

100G WDM4 applications with FEC
Ordering information

Part No.
Data Rate
Fiber
Distance
Interface
Temp.
DDMI
AQP100C-C-LRL
103Gbps
SMF
2km
LC
0~+70℃
Yes

Performance Specifications

Absolute Maximum Ratings

Parameter	Symbol	Min.	Max.	Unit
Storage Temperature	Ts	-40	85	°C
Supply Voltage	Vcc	-0.5	3.6	V
Operating Relative Humidity	RH	5	85	%
Receiver Damage Threshold per lane	Rxdmg	5.5		dBm

Recommended Operating Conditions

Parameter	Symbol	Min.	Typical	Max.	Unit
Operating Case Temperature	Tc	0	25	70	°C
Power Supply Voltage	Vcc	3.135	3.3	3.465	V
Power Dissipation	PD			3.5	W

Optical Characteristics

Parameter	Symbol	Min.	Typical	Max.	Unit
Transmitter
Signaling speed per lane			25.78		GBaud
Data rate variation		-100		+100	ppm
Lane_0 center wavelength	λC0	1264.5		1277.5	nm
Lane_1 center wavelength	λC1	1284.5		1297.5	nm
Lane_2 center wavelength	λC2	1304.5		1317.5	nm
Lane_3 center wavelength	λC3	1324.5		1337.5	nm
Total average output power	Po			8.5	dBm

Average launch power per lane	Peach	-6.5	2.5	dBm
Transmit OMA each lane	TxOMA	-4.0	2.5	dBm
Launch power in OMA minus TDP, each lane	OMA-TDP	-5.0		dBm
Side-mode suppression ratio	SMSR	30		dB
Transmitter dispersion penalty , each lane	TDP		3.0	dB
Optical Return loss tolerance			20	dB
Transmitter reflectance			-12
Extinction ratio	ER	3.5		dB
Transmitter eye mask definition {X1, X2, X3, Y1, Y2, Y3}		{0.31, 0.4, 0.45, 0.34,0.38, 0.4}
Receiver
Signaling speed per lane	BRAVE	25.78		Gbps
Data rate variation		-100	+100	ppm
Lane_0 center wavelength	λC0	1264.5	1277.5	nm
Lane_1 center wavelength	λC1	1284.5	1297.5	nm
Lane_2 center wavelength	λC2	1304.5	1317.5	nm
Lane_3 center wavelength	λC3	1324.5	1337.5	nm
Average receive power per lane	Rx_pow	-11.5	-2.5	dBm
Receive Power(OMA) per lane	Rx_OMA		2.5	dBm
Receiver overload per Lane	Psat	-3		dBm
Receive sensitivity average per lane	Rx_sens		-10	dBm
Stressed Sensitivity per lane	SRS		-7.3	dBm
Receiver reflectance	ORL		-26	dB
LOS Assert	LOSA	-25		dBm
Los de-assert	LOSD		-12	dBm
Los hysteresis		0.5		dB

QSFP28 Transceiver Electrical Pad Layout

Pin Descriptions

Pin	Logic	Symbol	Description	Plug Sequence	Notes
1		GND	Ground	1	1
2	CML-I	Tx2n	Transmitter Inverted Data Input	3
3	CML-I	Tx2p	Transmitter Non- Inverted Data Input	3
4		GND	Ground	1	1
5	CML-I	Tx4n	Transmitter Inverted Data	3
5	CML-I	Tx4n	Input	3
6	CML-I	Tx4p	Transmitter Non- Inverted Data Input	3
7		GND	Ground	1	1
8	LVTTL-I	ModSelL	Module Select	3
9	LVTTL-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	1
14	CML-O	Rx3p	Receiver Non- Inverted Data Output	3
15	CML-O	Rx3n	ceiver Inverted Data Output	3
16		GND	Ground	1	1
17	CML-O	Rx1p	Receiver Non- Inverted Data Output	3
18	CML-O	Rx1n	ceiver Inverted Data Output	3
19		GND	Ground	1	1
20		GND	Ground	1	1
21	CML-O	Rx2n	ceiver Inverted Data Output	3
22	CML-O	Rx2p	Receiver Non- Inverted Data Output	3
23		GND	Ground	1	1
24	CML-O	Rx4n	ceiver 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/RxLOSL	Interrupt.Optionally Configurable As RxLOSL Via The ManagementInterface (SFF-	3
28	LVTTL-O	IntL/RxLOSL	8636).	3
29		VccTx	+3.3V Power supply transmitter	2	2
30		Vcc1	+3.3V Power supply	2	2
31	LVTTL-I	LPMode/TxDis	Low Power Mode.	3
			OptionallyConfigurable As TxDis Via The Management Interface (SFF-
			8636).
32		GND	Ground	1	1
33	CML-I	Tx3p	Transmitter Non- Inverted Data	3
33	CML-I	Tx3p	Input	3
34	CML-I	Tx3n	TransmitterInverted Data Input	3
35		GND	Ground	1	1
36	CML-I	Tx1p	Transmitter Non-Inverted Data Input	3
37	CML-I	Tx1n	Transmitter Inverted Data Input	3
38		GND	Ground	1	1

1: GND is the symbol for signal and supply (power) common for the QSFP28 module. All are common within the

QSFP28 module and all module voltages are referenced to this potential unless otherwise noted. Connect thesedirectly to the host board signal-common ground plane.

2: Vcc Rx, Vcc1 and Vcc Tx are the receiver and transmitter power supplies and shall be applied concurrently.

Vcc Rx Vcc1 and Vcc Tx may be internally connected within the QSFP28 Module in any combination. The connector pins are each rated for a maximum current of 500mA.

Mechanical Specification

Part No.	Data Rate	Fiber	Distance	Interface	Temp.	DDMI
AQP100C-C-LRL	103Gbps	SMF	2km	LC	0~+70℃	Yes