Detail Information

Bit Rate:	1.25Gbps	Laser:	1310nm
Distance:	40km	Fiber Type:	SMF
Connector:	LC	DDMI:	DDMI
Highlight:	40km SFP Transceiver Module , 1.25Gbps SFP Transceiver Module , 40km Reach SFP Transceiver Module

Product Description

LC Connector 1.25G EX SFP Transceivers Module 1310nm 40Km

The 1.25G SFP EX optical transceiver is a high-performance, compact module designed for extended-range single-mode fiber optic data communication. These transceivers undergo thorough testing to meet demanding specifications. Each model completes rigorous environmental testing to ensure performance reliability even in harsh conditions. Functionality validation pushes components to their limits, securing availability and reliability for mission-critical applications.

Technical Specifications

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Transmitter
Center Wavelength	λc	1270	1310	1355	nm
-20dB Spectral Width	Pm			1	nm
Average Output Power	Pavg	-5		0	dBm
Extinction Ratio	ER	9			dB
Return Loss		12			dB
Transmitter OFF Output Power	POff			-30	dBm
Receiver
Center Wavelength	λc	1270	1310	1355	nm
Receiver Sensitivity, Average Power				-24	dBm	1
Receiver Saturation Power	Psat			-3	dBm
Loss of Signal Assert	PA	-35			dBm
Loss of Signal De-assert	PD			-25	dBm
Los Hysteresis	Phys	0.5			dB

Key Features

Hot-pluggable SFP footprint
Duplex LC receptacles
Low power dissipation
RoHS compliant and lead-free
Support Digital Diagnostic Monitor interface
Single +3.3V power supply
Case operating temperature: Commercial: 0 to 70℃, Industrial: -40 to 85℃

Applications

Enterprise & Campus Networks
Telecommunication & Metro Networks
Data Center & Storage Networks
Security & Surveillance Systems
Industrial & Harsh Environments

Frequently Asked Questions

Are you a trading company or manufacturer?

70% of our products we manufacture and 30% we trade for customer service.

How can you ensure the quality?

We are a one-stop manufacturer with complete facilities and over 15 years of manufacturing experience to ensure product quality. We have passed ISO 9001 Quality Management System certification.

Can you provide samples? Is it free or extra?

Yes, after price confirmation we can offer free samples, but shipping costs need to be paid by your side.

How long is your delivery time?

In stock: within 7 days; Not in stock: 15-20 days, depending on your quantity.

Can you do OEM?

Yes, we can provide OEM services.

What is your payment term?

Payment ≤ 4000 USD: 100% in advance. Payment ≥ 4000 USD: 30% TT in advance, balance before shipment.

How we can pay?

TT, Western Union, Paypal, Credit Card and LC.

Transportation?

Transported by DHL, UPS, EMS, Fedex, Air freight, Boat and Train.

Tag:

Place of Origin:	China
Brand Name:	DOWELL
Model Number:	DW-1312G-L40D

Minimum Order Quantity:	10 pieces
Delivery Time:	7-15 days
Payment Terms:	T/T
Supply Ability:	1000PCS Per Week

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