WT-QSFP28-PSM4

model：

100Gbs QSFP28 PSM4 Optical Transceiver Module

Description Technical parameters Applications Download Related Products

FEATURE

l Four-channel full-duplex transceiver modules

l Transmission data rate up to 26Gbit/s per channel

l Up to 2km transmission of single mode fiber

l Low power consumption <3.5W

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

l 3.3V power supply voltage

l RoHS 6 compliant

l Hot Pluggable QSFP28 form factor

l Single MPO connector receptacle

l Built-in digital diagnostic function

APPLICATIONS

l 100G Ethernet

l Proprietary High Speed Interconnections

l Data center

Outline drawing

Label： QSFP28

Optical Characteristics

All parameters are specified under the recommended operating conditions with PRBS31 data pattern unless otherwise specified.

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Transmitter
Center Wavelength	λC	1295	1310	1325	nm	1
RMS Spectral Width	λrms	-		3.5	nm	1
Average Launch Power, each lane	PAVG	-5	-0.5	+2.5	dBm
Optical Modulation Amplitude (OMA)	POMA	-5	-0.5	+2.5	dBm	1
Difference in Launch Power between any two lanes	Ptx,diff			5.0	dB
Launch Power in OMA minus Transmitter and Dispersion Penalty (TDP), each Lane	OMA-TDP	-2.3			dBm	1
Rise/Fall Time	Tr/Tf			30	ps
Extinction Ratio	ER	3.5			dB
Relative Intensity Noise	Rin			-128	dB/Hz
Optical Return Loss Tolerance	TOL			11.9	dB
Transmitter Reflectance	RT			-12	dB
Transmitter Eye Mask Margin	EMM	10			%	2
Average Launch Power OFF Transmitter, each Lane	Poff			-30	dBm
Transmitter Eye Mask Definition {X1, X2, X3, Y1, Y2, Y3}		{0.23, 0.34, 0.43, 0.26, 0.36, 0.4}

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Receiver
Center Wavelength	λC	1290	1310	1330	nm
Damage Threshold	THd	+3			dBm
Overload, each lane	OVL	+2			dBm
Receiver Sensitivity in OMA, each Lane	SEN			-8.6	dBm	3
Signal Loss Assert Threshold	LOSA	-30			dBm
Signal Loss Deassert Threshold	LOSD			-15	dBm
LOS Hysteresis	LOSH	0.5		6	dB
Optical Return Loss	ORL			-12	dBm

Notes:

1. Transmitter wavelength, RMS spectral width and power need to meet the OMA minus TDP specs to guarantee link performance.

2. The eye diagram is tested with 1000 waveform.

3. Measured with conformance test signal at receiver input for BER = 1x10-12.

For detail, please check the datasheet in "Download".