10G CWDM SFP+ 40km 1470~1610nm Transceiver

SKU: SPC-CWxxTG-40DC

Product Highlights

Supports up to 11.3Gbps bit rates

Built-in TX and RX CDR

Hot-pluggable SFP+ footprint

CWDM Cooled EML laser and PIN photodiode, Up to 40km for SMF transmission

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

Compatible with RoHS

Single +3.3V power supply

Real Time Digital Diagnostic Monitoring

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10G SFP+ CWDM Transceiver 40km SMF with CDR LC DDM | Fibertop

The SPC‑CWxxTG‑40DC is high‑performance 10G SFP+ CWDM coarse wavelength division multiplexing transceiver **with integrated TX and RX CDR clock data recovery**. It supports bit‑rate from 9.953Gbps to 11.3Gbps, typical 10.3125Gbps. Adopting cooled EML laser transmitter and PIN photodiode with TIA preamplifier, it achieves up to 40 km transmission over single‑mode fiber, covering CWDM wavelength 1470‑1610nm. Hot‑pluggable SFP+ footprint with duplex LC receptacle, supporting real‑time DDM digital diagnostic monitoring complying with SFF‑8472. Powered by single +3.3 V supply, operating case temperature 0℃~70℃. It meets Class I laser safety, SFP+ MSA and RoHS requirements, ideal for 10GBASE‑ER /10GBASE‑EW, LTE transmission and CWDM WDM networking.

Technical Specification

Vendor Name	FIBERTOP	FIBERTOP Part Number(s)	SPC-CWxxTG-40DC
Transceiver Type	ER	Reach	40km
Wavelength	CWDM	Form Type	SFP+
Speed Description	10G	Media	SMF
Connector	Duplex LC	Extinction Ratio	> 6 dB
TX Power	-1 ~ 2 dBm	Receiver Sensitivity	< -15.5 dBm
Applications	10Gbps CWDM Optical systems, 10GBASE-ER at 10.3125Gbps, LTE systems	Environment	Operating: 0°C to 70°C

Frequently Asked Questions

Q: What is the function of on‑board CDR?

A: Integrated TX and RX CDR reconstruct data signal and reduce jitter, greatly improve link stability for 40km long‑distance transmission, compatible with host ports with poor signal quality.

Q: What CWDM wavelengths are supported?

A: Supports CWDM CH47/49/51/53/55/57/59/61 from 1470nm‑1610nm, 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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