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Home > 25G-100G QSFP/SFP Modules > QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers
QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers
QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers
QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers
QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers
QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers
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QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers
QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers
QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers
QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers
QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers

QSFP-40GE-ER4 40G QSFP+ ER4 1310nm 40km Dual LC SMF Fiber Optic Transceivers

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Product Description

QSFP-40G-ER4 Optical Transceiver
Specification
Part No. QSFP-40G-ER4
Form Factor QSFP
Max. Data Rate 44.6Gbps (4x 11.2Gbps)
Wavelength L0 1264.5-1277.5nm
L1 1284.5-1297.5nm
L2 1304.5-1317.5nm
L3 1324.5-1337.5nm
Max. Cable Distance 40km
Connector Duplex LC
Media SMF
Transmitter Type DFB CWDM
Receiver Type APD
TX Power -2.7~4.5dBm
Receiver Sensitivity <-21.2dBm
Power Budget 18.5dB
Receiver Overload -4.5dBm
Power Consumption ≤3.5W
Extinction Ratio >5.5dB
Commercial Temperature Range 0 to 70°C (32 to 158°F)
Protocols OTN OTU3, 40G Ethernet, SATA/SAS3, MSA Compliant
Newly-Made, Quality Guaranteed
Newly-Made, Quality Guaranteed
Tested in Host Devices
Tested in Host Devices for Proven Interoperability
Comprehensive Testing
Comprehensive Testing Increases Reliability
Order Info
Model Introduction
QSFP-40G-SR4 QSFP+ 40G MMF 850nm 150m MPO DOM
QSFP-40G-eSR4 QSFP+ 40G MMF 850nm 300m MPO DOM
QSFP-40G-PLR4 QSFP+ 40G SMF 1310nm 2km LC DOM
QSFP-40G-LR4 40G QSFP+ SMF 1310nm 10km LC DOM
QSFP-40G-ER4 40G QSFP+ SMF 1310nm 40km LC DOM
FAQ
1. What range of optical communication products do you offer?
We supply a comprehensive range of fiber optic equipment, including FTTH ONU/OLT, SFP/QSFP Modules, Fiber Media Converters, PoE Switches, and other related optical communication solutions.
2. How is the quality of the optical transceiver modules guaranteed?
To guarantee absolute reliability, we carry out pre-production sample evaluations prior to mass production, followed by a rigorous 100% final inspection on compatible host systems before shipment.
3. What payment terms and currencies do you support?
We support a variety of payment methods including T/T, L/C, PayPal, Western Union, Credit Card, and Escrow. We accept major trade currencies including USD, EUR, and CNY.
4. What delivery terms are available for international orders?
We accommodate flexible delivery configurations based on your needs, including FOB, CFR, CIF, EXW, DDP, and standard Express Delivery options.
5. Which languages does your customer support team speak?
Our global support and technical team is fluent in multiple languages, facilitating seamless communication in English, Chinese, Spanish, French, Russian, and more.
6. Are your transceivers fully compatible with major host brands?
Yes, all of our optical modules undergo strict hardware integration testing inside dedicated host platforms to confirm 100% interoperability and parameter consistency.

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