Name: 100G QSP28 CWDM 2km
Brand: T&S Communications Co., Ltd.
Availability: InStock

The QSFP28 100G-CWDM4-2km module is a highly integrated 4x28G transceiver focused on reach, bandwidth, density and cost for high port-count 100G systems, and client-side 100G interfaces. It is compliant with the 100G 4WDM-10 MSA, which is based on the CWDM4 MSA version 1.1. It is interoperable with CWDM4 transceivers over a 2 km reach.

GET A QUOTE About 100G QSP28 CWDM 2km

100G QSP28 CWDM 2km Specification Download

Features of QSFP28 100G CWDM4 2k

Reach: 2 km via SMF
Link budget assumes the use of KR4 FEC by the host
Uncooled CWDM DFB lasers, directly modulated
Electrical interface: retimed CAUI-4 per 100G Ethernet IEEE 802.3bm Annex 83E
User controllable Transmit Input Equalization and Receiver Output Amplitude
MSA-compliant performance monitoring via I2C interface
Fiber connector: SMF LC duplex connector
Hot-pluggable
0–70°C operating temp
Power dissipation < 3.5W
RoHS6 compliant (lead-free)

Applications of QSFP28 100G CWDM4 2k

100G CWDM4 Ethernet
InfiniBand 4x EDR

Specifications of QSFP28 100G CWDM4 2k

Optical Transmitter Performance

Optical Receiver Performance

Recommended Operating Environment

Parameter		Symbol	Min	Typical	Max	Unit
Center Wavelength	Ch0	λ0	1264.5	-	1277.5	nm
	Ch1	λ1	1284.5	-	1297.5	nm
	Ch2	λ2	1304.5	-	1317.5	nm
	Ch3	λ3	1324.5		1337.5	nm
Bit Rate per Channel		B	25.78125±100ppm			Gb/s
Side Mode Suppression Ratio		SMSR	30	-	-	dB
Average launch power, each lane		-	-6.5	-	2.5	dBm
Optical Modulation Amplitude (each lane)		OMA	-4.0	-	2.5	dBm
Launch power in OMA minus TDP, each lane		OMA-TDP	-5.0	-	-	dBm
Transmission & dispersion penalty, each lane		TDP	-	-	3.0	dB
RIN20 OMA		-	-	-	-130	dB/Hz
Transmitter Reflectance		-	-	-	-12	dB
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} CWDM4 MSA Technical Specifications Rev 1.1
Total average launch power		-	-	-	8.5	dBm
Average launch power of OFF transmitter, each lane		-	-	-	-30	dBm
Optical return loss tolerance		-	-	-	20	dB

Parameter		Symbol	Min	Typical	Max	Unit
Center Wavelength	Ch0	λ0	1264.5	1271	1277.5	nm
	Ch1	λ1	1284.5	1291	1297.5	nm
	Ch2	λ2	1304.5	1311	1317.5	nm
	Ch3	λ3	1324.5	1331	1337.5	nm
Bit Rate per Channel		B	25.78125±100ppm			Gb/s
Unstressed Sensitivity (OMA) at 5 x 10-5 BER		OMAin	-	-	-10	dB
Stressed Sensitivity (OMA)		OMAin,str	-		-7.3	dBm
Receiver Reflectance		ORL	-	-	-26	dB
Vertical eye closure penalty, each lane		VECP	-	-	1.9	dB
Stressed eye J2 Jitter, each lane		J2	-	-	0.3	UI
Stressed eye J9 Jitter, each lane		J9	-	-	0.5	UI
Stressed eye J4 Jitter, each lane		J4	-	-	0.48	UI
SRS eye mask definition { X1, X2, X3, Y1, Y2, Y3}		{0.39, 0.5, 0.5, 0.39, 0.39, 0.4} CWDM4 MSA Technical Specifications Rev 1.1
Damage threshold, each lane		-	3.5	-	-	dB

Recommended Operating Environment specifies parameters for which the electrical and optical characteristics hold unless otherwise noted.

Parameter	Symbol	Min	Typical	Max	Unit
Power Supply Voltage	V_CC	3.135	3.300	3.465	V
Operating Case Temperature	T_C	0	25	70	°C

Pin Descriptions of QSFP28 100G CWDM4 2k

100G QSP28 CWDM 2km

Pin Definition of QSFP28 100G CWDM4 2k

Pin	Symbol	Name/Description
1	GND	Ground
2	Tx2n	Transmitter Inverted Data Input
3	Tx2p	Transmitter Non-Inverted Data Input
4	GND	Ground
5	Tx4n	Transmitter Inverted Data Input
6	Tx4p	Transmitter Non-Inverted Data Input
7	GND	Ground
8	ModSelL	Module Select
9	ResetL	Module Reset
10	Vcc Rx	+3.3 V Power supply receiver
11	SCL	2-wire serial interface clock
12	SDA	2-wire serial interface data
13	GND	Ground
14	Rx3p	Receiver Non-Inverted Data Output
15	Rx3n	Receiver Inverted Data Output
16	GND	Ground
17	Rx1p	Receiver Non-Inverted Data Output
18	Rx1n	Receiver Inverted Data Output
19	GND	Ground
20	GND	Ground
21	Rx2n	Receiver Inverted Data Output
22	Rx2p	Receiver Non-Inverted Data Output
23	GND	Ground
24	Rx4n	Receiver Inverted Data Output
25	Rx4p	Receiver Non-Inverted Data Output
26	GND	Ground
27	ModPrsL	Module Present
28	IntL	Interrupt
29	Vcc Tx	+3.3 V Power supply transmitter
30	Vcc1	+3.3 V Power Supply
31	LPMode	Low Power Mode
32	GND	Ground
33	Tx3p	Transmitter Non-Inverted Data Input
34	Tx3n	Transmitter Inverted Data Input
35	GND	Ground
36	Tx1p	Transmitter Non-Inverted Data Input
37	Tx1n	Transmitter Inverted Data Input
38	GND	Ground

Important Notice of QSFP28 100G CWDM4 2k

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

The publication of information in this data sheet does not imply freedom from patent or other protective rights of T&S or others. Further details are available from any T&S sales representative.