25.78G SFP28 CWDM 30km 1571~1611nm Transceiver | Fibertop

SKU: SFP-CWxxT5-30DC

Product Highlights

Supports up to 25.78Gbps bit rates

Hot-pluggable SFP+ footprint

CWDM Cooled EML laser and a APD photodiode,

Up to 30km for SMF transmission

Compliant with SFP+ MSA and SFF-8472 with duplex LC receptacle

Compatible with RoHS

Real Time Digital Diagnostic Monitoring

Operating case temperature:0 to +70°C

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25.78G SFP28 30km CWDM Transceiver

25.78Gbps SFP28 CWDM optical transceiver, Cooled EML & APD receiver, 30km over single‑mode fiber, 1571‑1611nm CWDM band, duplex LC, real‑time DDM, 0‑70℃ commercial temp, compliant with SFP+ MSA & SFF‑8472 for 25G Ethernet and CWDM networking.

Technical Specification

Vendor Name	FIBERTOP	FIBERTOP Part Number(s)	SFP-CWxxT5-30DC
Transceiver Type	ER4	Reach	30km
Wavelength	CWDM	Form Type	SFP28
Speed Description	25G	Media	SMF
Connector	Duplex LC	Extinction Ratio	> 6 dB
TX Power	-1 ~ 4 dBm	Receiver Sensitivity	< -18 dBm
Applications	High performance computing, interconnect, Data center, 25G Ethernet links	Environment	Operating: 0 to 70°C

Frequently Asked Questions

Q: What CWDM wavelengths are available?

A: Supports CWDM CH57(1571nm), CH59(1591nm), CH61(1611nm), custom wavelength is available.

Q: What parameters can DDM monitor?

A: Module temperature, supply voltage, laser bias current, transmit & receive optical power via I2C serial bus.

Q: Is hot‑swap supported?

A: Yes, hot‑pluggable following SFP+ MSA hot‑insertion pin sequence.

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