Cisco SFP-10G-BX40D-I Compatible SFP+ BiDi 10G 40km Transceiver 10GBASE-BX40-D (SMF, 1330nm-TX/1270nm-RX, 40km, Simplex LC, DDM)
Product Overview
Our HYTOPTODEVICE Cisco SFP-10G-BX40D-I Compatible SFP+ BiDi 10G 40km Transceiver is industrial single-fiber bidirectional optical transceiver, built for 40km point-to-point transmission over single strand OS2 single mode fiber.
• Wavelength: Tx1330nm/Rx1270nm (Match Cisco SFP-10G-BX40U-I standard BiDi pairing)
• Interface: Standard LC simplex connector
• Transmission Distance: Stable 40km @10Gbps SMF OS2
Compliant with Hot-Pluggable SFP+ MSA, SFF-8472,SFP-8431, IEEE 802.3ae and RoHS standards and fully DDM/DOM support, Delivering high-speed performance with optimized power efficiency, this single-strand SFP+ BiDi 40km transceiver is the ideal solution for cross-campus backbones, metropolitan area network (MAN) rings, and long-range data center interconnects (DCI). We support samples, bulk wholesale and OEM private labeling, submit bulk inquiry or RFQ for competitive pricing and long-term supply contracts.
Key Technical Specifications
Our SFP+ BiDi 10G 40km Transceiver is factory-calibrated and fully tested for optical stability, low bit error rate and consistent interoperability. Adopting high-quality DFB laser and PIN receiver chips, it supports real-time DDM monitoring and safe hot-swappable operation. Below full parameter table matches Cisco SFP-10G-BX40D-I industrial BiDi standard, zero compatibility risks after switch firmware upgrades.
| Cisco Compatible |
SFP-10G-BX40D-I |
Vendor Name |
HYTOPTODEVICE |
| Form Factor |
SFP+ |
Max Data Rate |
10.7Gbps |
| Wavelength |
TX1330nm/RX1270nm |
Max Distance |
40km |
| Connector |
Simplex LC |
Transmitter Type |
1330nm DFB |
| Cable Type |
SMF |
Receiver Type |
PIN |
| TX Power |
-1.0~+5dBm |
Receiver Sensitivity |
< -15dBm |
| Max. Power Consumption |
≤1W |
DOM/DDM |
Fully Supported |
| Protocols |
SFP+ MSA, SFF-8472, IEEE 802.3ae, RoHS Compliant |
Operation Temperature |
-40 to 85°C (-40 to 185°F) |
Pairing Guidance
This SFP+ BiDi 10G 40KM Transceiver must pair with complementary SFP-10G-BX40U-I (1270nm-TX / 1330nm-RX) modules to build full-duplex single-fiber links. We offer exclusive bundled discounts for paired bulk orders; customized 10km/20km/60km BiDi variants are available via OEM bulk order quote request.
The Required Matched Pairs here: 10G SFP+ BiDi Tx 1270nm / Rx 1330nm 40km module
Full Compatibility List & Supported Network Hardware
1.Cisco Native Compatibility
HYTOPTODEVICE lab-verified SFP+ BiDi 10G 40km transceiver works across 150+ network brands, real-machine test videos available for bulk buyers.
We run complete real-device verification on our Cisco SFP-10G-BX40D-I compatible modules. Pre-flashed exclusive brand EEPROM avoids unsupported transceiver alarms, test videos and sample reports provided on request. Plug-and-play without extra CLI commands:
- Catalyst 3650/3850/9300/9500 Series
- Catalyst 4500/6500/6800 Supervisor Modules
- ASR 1000 / ISR 4000 Routers
- Nexus 2000/3000/5000/7000 Data Center Switches
- Meraki MX, MS Cloud Switches & Firewalls
2.Multi-Brand Cross Compatibility
Built to universal SFP+ MSA standards, HYTOPTODEVICE’s cisco compatible
SFP+ BiDi 10G 40KM Transceiver unlocks OEM vendor lock-in for hybrid multi-vendor metro networks.
- Open-Brand (Plug-and-Play): Fortinet, Ubiquiti, MikroTik, D-Link, Zyxel and other open switches
- Locked-Brand (Custom Coding): Cisco, H3C, Huawei, Dell, Juniper,Intel, fully compatible with latest Cisco firmware
3.Free Custom EEPROM Re-Flash ServiceComplimentary permanent EEPROM rewrite for all bulk orders of SFP+ 10G BiDi 40KM Transceiver. Upgrade Cisco OS or migrate modules to other brand racks; our team re-codes firmware free of charge to maintain stable 40km single-fiber bidirectional links for evolving multi-vendor metro architectures.
Primary Application Scenarios
Low-cost single-fiber SFP+ BiDi 10G 40km transceiver for mainstream 10G fiber networking projects of integrators and enterprise clients.
- Campus multi-building inter-switch uplink with SFP+ BiDi 10G 40km transceiver, reduce fiber core consumption
- Outdoor industrial cabinet long-distance 10G fiber connection with industrial BiDi 40km SFP+ module
- ISP last-mile single-fiber broadband transmission using Cisco compatible SFP-10G-BX40D-I optic
- Data center cross-rack 10G structured cabling BiDi SFP+ 40km uplink solution
- Remote server 10G SFP+ NIC to core switch single fiber long-distance link
- Cross-site firewall & mass IP camera 10G low-latency fiber uplink
Connectivity Solutions(Applications)
1.Switch-to-Switch 10G BiDi Single Fiber Uplink
Deploy paired BiDi transceivers between core and aggregation switches for single-fiber 10G uplinks, saving fiber resources for campus expansion and datacenter stacking projects.
2.Switch-to-10G SFP+ NIC Server Long Distance Link
Create single-fiber high-speed links between core switches and server NICs, eliminating gigabit bandwidth bottlenecks for cloud storage and high-performance workstations.
3.Enterprise 10G Single Fiber Structured Cabling System Layout
Perfectly matched with OS2 simplex single-mode structured cabling, realizing end-to-end 10G transmission across access, aggregation and core layers for office parks and commercial buildings.
The Core Features
1.50% Fiber Resource Saving & Low-Cost Network Upgrade
Optimize your current network infrastructure without the high cost of laying new cables. By transmitting and receiving signals over a single strand of fiber, our 10G BiDi SFP+ transceivers help you squeeze maximum value out of your existing fiber cabling.
2.Double Your Network Capacity Instantly
Upgrade your bandwidth effortlessly. Utilizing advanced Wavelength Division Multiplexing (WDM) technology, this module allows bidirectional traffic over a single fiber strand, effectively doubling your network capacity instantly while cutting cabling costs in half.
3.Energy-Efficient 10G Connectivity for Data Centers
Designed for high-density, high-speed modern data centers, this SFP+ transceiver features an ultra-low power consumption of just 1W. Achieve stable, green, and cost-effective 10G data transmission while significantly reducing operational cooling costs.
4.Seamless Cross-Brand Interoperability
Enjoy worry-free integration into your multi-vendor environment. Every single unit undergoes rigorous compatibility testing on original brand switches to ensure seamless cross-brand interoperability. Real products, real switches, real results—compatibility test videos are available upon request.
5.Comprehensive Testing for Rock-Solid Reliability
Reliability is our cornerstone. From signal integrity and distance runs to extreme temperature cycles, our comprehensive testing procedure guarantees that every 10G BiDi 10km SFP+ module delivers stable, packet-loss-free performance under any network load.
FAQ
Q1: Why is my link completely dead even though both sides have brand new 40km BiDi modules installed?
A: You likely installed the same model on both ends. BiDi requires strict pairing; a TX1270/RX1330 module must connect to a TX1330/RX1270 module. HYTOPTODEVICE clearly labeled SFP+ BiDi 10G 40km Transceiver provides distinct wavelength marks to prevent mismatched installation on Cisco enterprise aggregation links.
Q2: We ran out of TX1330 modules but have plenty of TX1270s; can we use two TX1330s for a short-distance link?
A: No. Identical wavelengths will transmit into each other's transmitters, resulting in zero communication. HYTOPTODEVICE matched dual-wavelength SFP+ BiDi 10G 40km Transceiver sets eliminate trial-and-error stocking for short-span office interconnection procurement.
Q3: Why did my link drop immediately after adding a standard patch panel in the middle of the run?
A: The 40km budget is highly sensitive. The insertion loss from even one extra patch panel or poor splice can push the link over its edge. HYTOPTODEVICE low-loss interface SFP+ BiDi 10G 40km Transceiver reserves extra loss tolerance for multi-section structured cabling deployment.
Q4: Why am I seeing a high Bit Error Rate (BER) even though my optical power looks acceptable?
A: Over a 40km span, chromatic dispersion at 1270nm/1330nm accumulates and distorts the 10G signal, causing errors even if the light is bright enough. HYTOPTODEVICE dispersion optimized SFP+ BiDi 10G 40km Transceiver stabilizes signal quality for long-distance campus backbone transmission.
Q5: Why does a minor bend in the fiber tray affect the upstream traffic but not the downstream?
A: Macro-bends affect wavelengths differently. The 1330nm signal is more sensitive to bending losses than the 1270nm signal, causing asymmetric link degradation. HYTOPTODEVICE balanced wavelength response SFP+ BiDi 10G 40km Transceiver reduces asymmetric loss risks for indoor cable tray networking scenarios.
Q6: Can a dirty bulkhead connector really take down a 40km single-fiber link completely?
A: Yes. On a single fiber, dust doesn't just block light—it reflects the local TX signal right back into the local RX, blinding the optic. HYTOPTODEVICE high anti-reflection port SFP+ BiDi 10G 40km Transceiver mitigates reverse signal interference from contaminated bulkhead adapters.
Q7: Can I run this 40km BiDi on the same fiber bundle as my existing CWDM channels?
A: It is difficult. The 1270nm and 1330nm wavelengths overlap directly with standard CWDM grids, causing severe channel interference without expensive filtering. HYTOPTODEVICE isolated wavelength band SFP+ BiDi 10G 40km Transceiver avoids cross-channel conflict for parallel fiber bundle layout projects.
Q8: Why does the link drop only during peak afternoon summer heat in our outdoor cabinets?
A: Extreme temperatures cause the internal lasers to drift in wavelength. If they drift outside the internal optical filter bands, the link fails. HYTOPTODEVICE wavelength locked SFP+ BiDi 10G 40km Transceiver maintains stable signal output for unconditioned outdoor cabinet deployment.
Q9: Why does my switch DDM say the TX power is perfect, but the remote side shows zero RX?
A: DDM only measures local laser output. It cannot detect if the light is being lost midway or reflected backward due to a fiber issue. HYTOPTODEVICE full telemetry supported SFP+ BiDi 10G 40km Transceiver delivers complete optical data for end-to-end fiber fault troubleshooting.
Q10: Why won't a standard single-mode loopback cable work for testing this SFP+ port?
A: A loopback cable connects the local TX directly to the local RX. Since a BiDi module transmits and receives on entirely different wavelengths, it cannot read its own signal. HYTOPTODEVICE wavelength separated SFP+ BiDi 10G 40km Transceiver requires dedicated testing tools for switch port performance verification.
Q11: Can I pair a Cisco-coded TX1330 with a Juniper-coded TX1270 on the other end?
A: Standard-wise, yes; practically, mixing vendor optics often results in configuration errors or missing DDM data on one side of the network. HYTOPTODEVICE cross-brand compatible SFP+ BiDi 10G 40km Transceiver keeps complete diagnostic visibility for mixed Cisco-Juniper network architectures.
Q12: We only need to bridge a 15km gap; is it a waste of money to buy this 40km BiDi module?
A: Yes. You are paying a premium for a 40km laser and will likely have to spend extra money on attenuators to avoid blinding the receiver at 15km. HYTOPTODEVICE distance graded SFP+ BiDi 10G 40km Transceiver supports matched attenuator matching for medium-distance enterprise network procurement.
Why Network Engineers Choose HYTOPTODEVICE
HYTOPTODEVICE has supplied over 5000,000 optical transceiver modules to data centers, ISPs, and enterprise networks across 100+ countries since 2011. Every module undergoes a 72-hour burn-in test and full DDM/DOM validation before shipment.
- Up to 70% cost savings vs OEM, transparent pricing & flexible bulk rates, supported quality returns
- 100% real-device compatible with Cisco, Huawei,Dell,Juniper, and Arista
- ISO 9001:2015 Shenzhen factory, full lineup: 1.25G/10G/25G/40G/100G/200G/400G/800G/1.6T transceivers
- Ample stock, fast global DHL/FedEx shipping in 3–5 working days
- Free pre-sales engineering support for custom EEPROM & private label firmware
- Real switch test videos available for pre-purchase review; inspection & shipping videos provided per order
“Phenomenal performance. We deployed 200 HYTOPTODEVICE SFP modules to replace Cisco OEMs in our backbone network. Result? Zero compatibility issues and a 60% reduction in costs. Highly recommended for mission-critical networks."— Senior Network Engineer, Regional Telecom, Australia
Quality Certification & Compliance
At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final visual inspection, from IQC、IPQC、FQC to OQC, our processes ensure global compliance and reliability.
We adhere to rigorous standards for our SFP modules and network solutions:
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ISO 9001: Certified quality management and production consistency.
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CE & FCC: Fully compliant for seamless Global Market Access.
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RoHS: Committed to environmental responsibility and hazardous material control.
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Proven Reliability: Rigorous testing to reduce compliance risk and ensure safety.
Certified Quality. Global Standards. Guaranteed Performance.
Rigorous Industrial Product Testing
100% 3rd Party Compatible
Partial Test Demonstration
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