200G QSFP56 2km DOM Duplex LC SMF Optical Transceiver Module

SPECIFICATIONS
Product Model	QSFP56-200(4x50)-CW4-2(FR4)-LCD	Manufacturer brand	PHILISUN
Package Type	QSFP56	Optical connector	LC DX
Max Data Rate	200Gbps	Channel Data Rate	26.5625Gbps
Effective transmission distance	2km
Wavelength	1310nm	Operating voltage	3.3V
Fiber Type	SMF	Core Size	9/125
Transmitter Type	CWDM LD&PD	Receiver Type	PIN
TX Power	-4.2~4.7dBm	Receiver Sensitivity	-6dBm
Digital Optical Monitoring(DOM)	YES	Receiver Overload	4.7dBm
Power Consumption	<6.5W	Protocols	200G BASE-FR4 Ethernet Switch & Router Connections Data Centers Other 200G interconnect Requirements
Operating temperature(Commercial)	0℃~+70℃	Storage Temperature(Commercial)	-40℃~+85℃

PRODUCT PRESENTATION

The PHILISUN QSFP56 200G (4x50G) CWDM4 2km FR4 LC DX Transceiver is a high-performance, hot-pluggable module designed for optical data transmission at 50Gbps per channel using PAM4 modulation. It supports data links over single-mode fiber at distances of up to 2km and is housed in a compact QSFP56 package. The transceiver integrates advanced components, including a high-performance laser diode (LD), photodetector (PIN), and digital signal processor (DSP), ensuring reliable and efficient operation for demanding data communication applications.

TRANSCEIVER SERIES PRODUCTS

PRODUCTION & TESTING EQUIPMENT

103G 850nm 100M sr4 MPO 8 12 transceiver production and testing equipment

PERFORMANCE PARAMETER

Absolute Maximum Ratings
Parameter	Symbol	Min.	Max.	Unit
Power supply voltage	VCC	-0.5	+3.6	V
Storage temperature	TC	-40	+85	℃
Relative humidity	RH	5	85	%
These values represent the damage threshold of the module.Stress in excess of any of the individual absolute maximum ratingscan cause immediate catastrophic damage to the module even if all other parameters are within recommended operating conditions.

Recommended Operating Environment
Parameter	Symbol	Min	Typical	Max	Unit
Power supply voltage	VCC	3.135	3.30	3.465	V
Operating case temperature	Tca	0	–	70	℃
Recommended operating environment specifies parameters for which the electrical and optical characteristics hold unless otherwise noted.

Electrical Characteristics
Parameter	Symbol	Min	Typical	Max	Unit	Notes
Signaling rate per lane	–	–	26.5625	–	Gbd	–
Transmitter
Differential data input voltage	△Vin	900	–	–	mVp-p	–
DifferentialInput Impedance	Zin	90	100	110	ohm	–
Receiver
Differential output voltage	Vout	–	–	900	mVp-p	–
Differential output impedance	Rout	90	100	110	ohm	–

Optical Characteristics
Parameter		Symbol	Min	Typical	Max	Unit	Notes
Transmitter
Center wavelength	Ch0	λ0	1264.5	1271	1277.5	nm	–
	Ch1	λ1	1284.5	1291	1297.5
	Ch2	λ2	1304.5	1311	1317.5
	Ch3	λ3	1324.5	1331	1337.5
Side-mode suppression ratio		SMSR	30	–	–	dB	–
Average optical power		Po	-4.2	–	4.7	dBm	–
Tx OMA per lane		TxOMA	-1.2	–	4.5	dBm	–
Extinction ratio		ER	3.5	–	–	dBm	–
Optical modulation amplitude		OMA	-4.5	–	3	dB	–
Transmitter and dispersion eye closure for PAM4 per lane		TDECQ	–	–	3.3	dB	–
Optical return loss tolerance		ORL	–	–	16.5	dB	–
Relative intensity noise		RIN	–	–	-132	dB/Hz	–
Receiver
Center wavelength	Ch0	λ0	1264.5	1271	1277.5	nm	–
	Ch1	λ1	1284.5	1291	1297.5
	Ch2	λ2	1304.5	1311	1317.5
	Ch3	λ3	1324.5	1331	1337.5
Damage threshold		DT	5.7	–	–	dBm	–
Average receive power ,each lane		–	-8.2	–	4.7	dBm	–
Receiver reflectance		Rfl	–	–	-26	dB	–
Difference in receive power between any two lanes		–	–	–	4.1	dB	–
Receiver sensitivity(OMAouter)		–	–	–	-6	dBm	–
Stressed receiver sensitivity(OMAouter)		–	–	–	-3.6	dBm	–
The following optical characteristics are defined over the recommended operating environment unless otherwise specified.

QSFP56 TRANSCEIVER ELECTRICAL PAD LAYOUT

PIN DEFINITION

Pin Definition
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	VCCRx	+3.3V 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	Rxlp	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	VCCTx	+3.3V power supply transmitter
30	VCC1	+3.3V 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	Txlp	Transmitter non-inverted dataInput
37	Tx1n	Transmitter inverted data input
38	GND	Ground