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SFP-10G-BX40D-I
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SFP+ Bidirectional for 40km, downstream
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Name:
SFP-10G-BX40D-I
- Description:
- SFP+ Bidirectional for 40km, downstream
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 691852504176
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$15,338.00
- Price:
$8,456.0044.9% off
Quantity:
1
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SFP-10G-BX40D-I Overview
SFP-10G-BX40D-I is a 10G SFP+ transceiver designed for long-range, bidirectional 10-Gigabit Ethernet connectivity over single-mode fiber. It features an LC connector and utilizes dual wavelengths of 1270 nm and 1330 nm, allowing it to achieve a maximum transmission distance of 40 km in applications such as data centers, enterprise networks, and telecom environments.
SFP-10G-BX40D-I adheres to the standard SFP form factor with compact physical dimensions, making it ideal for high-density systems. Designed to support Ethernet protocols, this module delivers reliable, high-speed optical performance for long-haul communications while ensuring compatibility with leading network equipment vendors like Cisco, Juniper, Huawei, and Arista.
SFP-10G-BX40D-I price is $8,456.00, a 44.9% saving from the Cisco list price of $15,338.00. SFP-10G-BX40D-I is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SFP-10G-BX40D-I for additional pricing. Browse the full Sfp+ series or explore all Cisco products.
SFP-10G-BX40D-I Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- SFP+
- Data Rate
- 10G
- Connector Type
- LC
- Wavelength
- 1270/1330 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 40 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- SFP-10G-BX40D-I
SFP-10G-BX40D-I Use Case
Metro Ethernet Service Delivery over 40 km Single-Fiber
Internet and managed-service providers deploy the SFP-10G-BX40D-I-SFP+ bidirectional transceiver on a single strand of dark fiber to deliver 10 Gbps downstream and upstream Ethernet services up to 40 km. This solution slashes fiber-lease costs, accelerates turn-up times, and guarantees carrier-grade performance for enterprise customers, driving higher margins and service-level compliance.
Data Center Interconnect for Remote Replication
Enterprises leverage the SFP-10G-BX40D-I-SFP+ module to bridge geographically dispersed data centers over a single-fiber 40 km span, enabling high-throughput VM migration, real-time backup, and disaster-recovery orchestration. The bidirectional design reduces fiber count by 50%, simplifies network architecture, and ensures deterministic latency for mission-critical applications.
5G Cell-Site Backhaul on Existing Fiber Infrastructure
Telecom operators integrate the SFP-10G-BX40D-I-SFP+ transceiver into their aggregation switches to extend 10 Gbps downstream fronthaul and backhaul links from 5G cell sites up to 40 km away. This single-fiber solution optimizes capital expenditure, speeds deployment, and delivers low-latency, high-capacity connectivity for demanding mobile-broadband and IoT services.
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Product Comparison Table 
| SFP-10G-BX40D-I |  N3K-PO-8PK |  CWDM-SFP10G-1550 |  CWDM-SFP10G-1570 |  SFP-10G-BXU-I | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP+ | QSFP+ | SFP+ | SFP | SFP |
| Data Rate | 10G | 40G | 10G | 10G | 10G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1270/1330 nm | 850nm | 1550 nm | 1570 nm | 1490/1550 nm |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 40 km | 100 meters | 80 km | 80 km | 10 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | 10G Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | SFP-10G-BX40D-I | N3K-PO-8PK | CWDM-SFP10G-1550 | CWDM-SFP10G-1570 | SFP-10G-BXU-I |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
Z
Zane Whitman
5
SFP+ bidirectional 40km downstream module is dependable, stable, and easy to deploy.
A
Adeline Cross
5
Professional-grade 10G transceiver with consistent long-distance performance.
B
Brandon Lane
5
Reliable for high-speed enterprise backbone links.
C
Camille Barrett
5
Maintains signal integrity across 40km fiber deployments.
D
Derek Frost
5
Durable and easy-to-use module for critical network infrastructure.
Questions & Answers
What is the SFP-10G-BX40D-I transceiver module?
The SFP-10G-BX40D-I is a bidirectional SFP+ pluggable transceiver designed for 10Gb/s downstream transmission over single-mode fiber up to 40 km.
Which fiber type is compatible with the SFP-10G-BX40D-I?
The SFP-10G-BX40D-I is compatible with single-mode (OS2) fiber for optimal 40 km bidirectional performance.
What is the maximum distance supported by SFP-10G-BX40D-I?
The SFP-10G-BX40D-I supports reliable 10 Gb/s transmission up to 40 km over single-mode fiber.
What downstream and upstream wavelengths does SFP-10G-BX40D-I use?
The SFP-10G-BX40D-I operates at a downstream wavelength of 1270 nm and an upstream wavelength of 1330 nm for bidirectional WDM.
Which network devices are compatible with SFP-10G-BX40D-I?
The SFP-10G-BX40D-I is interoperable with any vendor’s SFP+ slot compliant with MSA, including Cisco, Juniper, Huawei, Arista, and HP switches and routers.
Does the SFP-10G-BX40D-I support hot swapping?
Yes, the SFP-10G-BX40D-I supports hot swapping in accordance with the SFP+ MSA, allowing on-the-fly insertion and removal.
How do I install the SFP-10G-BX40D-I module?
To install, insert the SFP-10G-BX40D-I module into an empty SFP+ slot until the latch clicks and then connect the corresponding single-mode fibers.
Does SFP-10G-BX40D-I include Digital Diagnostic Monitoring (DDM)?
Yes, the SFP-10G-BX40D-I supports DDM (SFF-8472), providing real-time monitoring of optical power, temperature, voltage, and laser bias current.
What is the operating temperature range for SFP-10G-BX40D-I?
The industrial-grade SFP-10G-BX40D-I operates reliably from -40 °C to +85 °C for harsh environments.
What is the power consumption of the SFP-10G-BX40D-I?
The SFP-10G-BX40D-I consumes typically less than 1.0 W, ensuring energy-efficient 10 Gb/s bidirectional transmission.
How do I troubleshoot link issues with SFP-10G-BX40D-I?
Verify fiber polarity, inspect connectors for contamination, confirm DDM readings, and test with a known-good SFP+ port or transceiver.
Which standards and certifications does SFP-10G-BX40D-I meet?
The SFP-10G-BX40D-I complies with IEEE 802.3ae, SFF-8431, SFF-8472, and RoHS, and carries CE and FCC certifications.
Can the SFP-10G-BX40D-I be used in WDM networks?
Yes, the bidirectional WDM design of the SFP-10G-BX40D-I enables simultaneous upstream and downstream traffic on a single fiber strand.
What warranty is provided with the SFP-10G-BX40D-I?
The SFP-10G-BX40D-I is backed by a one-year manufacturer’s warranty and lifetime technical support.
How can I optimize performance of the SFP-10G-BX40D-I?
Ensure clean fiber connectors, maintain proper fiber bend radius, monitor DDM parameters, and use quality single-mode fibers for best performance.
What are alternative SFP+ modules for longer distances than 40 km?
For distances beyond 40 km, consider SFP-10G-BX80D-I (80 km) or SFP-10G-LR (10 km single-mode with higher output power) depending on your network design.