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| Categories | SFP Modules |
|---|---|
| Brand Name: | cisco |
| Model Number: | QSFP 40G LR4 S |
| Certification: | CE |
| Place of Origin: | USA |
| MOQ: | 1pc |
| Price: | $35/piece |
| Payment Terms: | T/T |
| Delivery Time: | 1-3 working day |
| Part number: | QSFP 40G LR4 S |
| Brief Description: | LC duplex 40G optics |
| Details: | 10km 40G Ethernet |
| Key Features: | digital diagnostics monitoring |
| Condition: | Original new |
| Warranty: | 1 year |
| Packing: | original new |
| Lead time: | 1-3 working day |
| Ship: | DHL FEDEX UPS |
| Payment term: | TT in advance |
| original: | USA |
| Company Info. |
| Sinanova Equipment Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Long-Range QSFP-40G-LR4-S 40G Transceiver for Single-Mode Fiber
Product Overview
The QSFP-40G-LR4-S is a 40 Gigabit Ethernet QSFP+ optical
transceiver designed for long-range data transmission over
single-mode fiber (SMF). It supports distances up to 10 kilometers
using LC duplex connectors and operates using 4 wavelengths in the
1310 nm band. This module is ideal for high-capacity data center
interconnects, enterprise core layers, and carrier network
backbones that require reliable, high-speed long-distance
connectivity.
Product Details
Compliant with the IEEE 802.3ba 40GBASE-LR4 standard, the
QSFP-40G-LR4-S utilizes four 10G lanes (CWDM) on the transmit and
receive sides to deliver an aggregated 40 Gbps bandwidth. The
module is hot-pluggable and supports Digital Diagnostics Monitoring
(DDM), providing real-time monitoring of key operating parameters.
It is engineered for power efficiency and optimal signal integrity
in demanding 40G Ethernet applications.
Product Features
Supports 40 Gigabit Ethernet over single-mode fiber
Long reach up to 10 km
Four-channel CWDM optical transmission (4 x 10G)
LC duplex connector interface
Low power consumption ≤ 3.5W
Digital diagnostics monitoring (DDM)
Compliant with IEEE 802.3ba 40GBASE-LR4 and QSFP+ MSA
Hot-pluggable QSFP+ form factor
Ideal for data centers and enterprise backbones
Product Specifications
| Specification | Details |
|---|---|
| Form Factor | QSFP+ |
| Data Rate | 40 Gbps (4 x 10G) |
| Wavelength | 4 CWDM channels (1270–1330 nm) |
| Reach | Up to 10 km |
| Fiber Type | Single-Mode Fiber (SMF) |
| Connector Type | LC duplex |
| Power Consumption | ≤ 3.5W |
| DDM Support | Yes |
| Standard Compliance | IEEE 802.3ba (40GBASE-LR4) |
Similar Models Comparison
| Model | Data Rate | Wavelength | Max Reach | Fiber Type | Power Consumption | DDM Support |
|---|---|---|---|---|---|---|
| QSFP-40G-SR4 | 40 Gbps | 850 nm (4x10G MMF) | 100 m | MMF | ≤ 1.5W | Yes |
| QSFP-40G-LR4-S | 40 Gbps | 4x CWDM (1310 nm range) | 10 km | SMF | ≤ 3.5W | Yes |
| QSFP-40G-PLR4 | 40 Gbps | 1310 nm | 10 km | SMF | ≤ 2.5W | Yes |
Latest Models Comparison
| Model | Data Rate | Wavelength | Max Reach | Fiber Type | Power Consumption | DDM Support |
|---|---|---|---|---|---|---|
| QSFP-40G-LR4-S | 40 Gbps | CWDM (1310 nm band) | 10 km | SMF | ≤ 3.5W | Yes |
| QSFP-40G-LR4-X | 40 Gbps | CWDM (1310 nm band) | 20 km | SMF | ≤ 3.8W | Yes |
| QSFP-40G-LR4-E | 40 Gbps | CWDM (1310 nm band) | 30 km | SMF | ≤ 4.0W | Yes |
Sinanova specializes in supplying ICT networking equipment from leading brands such as Cisco, Huawei, and Juniper. Our product range includes switches, routers, firewalls, wireless access points and controllers, IP phones, video conferencing solutions, and more. We are committed to delivering original and reliable hardware along with professional ICT solutions—all at competitive prices. Our high-quality service ensures a smooth and hassle-free purchasing experience for our clients.
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