D-Link Compatible DEM-436XT-BXD SFP+ BiDi Transceiver 10GBASE-BX20-D (SMF, 1330nm-TX/1270nm-RX, 20km, Simplex LC,DDM)
Product Overview
The D-Link compatible DEM-436XT-BXD sfp+ bidi transceiver is equipped with a simplex LC port and delivers stable 20km signal transmission over G.652 single-mode fiber. Utilizing WDM technology, this SFP+ BiDi transceiver enables bidirectional 10G Ethernet data flow via only one single fiber strand, lowering overall cabling expenses and maximizing utilization of existing fiber infrastructure. Compliant with SFP+ MSA, IEEE 802.3ae and SFF-8431 protocols and standards, the budget-friendly 10g sfp+ BiDi transceiver drop-in replacement for D-Link OEM optics provides seamless plug-and-play compatibility with D-Link equipments and other network hardwares. Supporting DDM digital diagnostic monitoring, it is ideal for enterprise wiring closets, service provider transport applications,etc.
Key Technical Specifications
Below are the specifications for our D-Link DEM-436XT-BXD compatible sfp+ bidi transceiver 1330nm-TX/1270nm-RX, 20km, SMF, LC, DDM). Every unit undergoes strict optical and electrical testing. Official test documentation is available upon request.
| D-Link Compatible |
DEM-436XT-BXD |
Vendor Name |
HYTOPTODEVICE |
| Form Factor |
SFP+ |
Max Data Rate |
10.7Gbps |
| Wavelength |
TX1330nm/RX1270nm |
Max Distance |
20km |
| Connector |
Simplex LC |
Transmitter Type |
1330nm DFB |
| Cable Type |
SMF |
Receiver Type |
PIN |
| TX Power |
-3.0~+2.0dBm |
Receiver Sensitivity |
< -14.4dBm |
| Max. Power Consumption |
≤1W |
DOM/DDM Monitoring |
Fully Supported |
| Protocols |
SFP+ MSA, SFF-8472, IEEE 802.3ae, RoHS |
Operation Temperature |
0 to 70°C (32 to 158°F) |
Full Compatibility List & Supported Network Hardware
1.D-Link Exclusive Compatible Hardware & Validated Switch Series
Our alarm-free plug-and-play sfp+ bidi transceiver is pre-flashed with standard D-Link EEPROM identification codes, eliminating unrecognized transceiver warning logs after full physical real-D-Link-switch insertion validation for all listed equipment:
• D-Link DXS Series (10G Aggregation): DXS-3400, DXS-3600, and DXS-1210 series switches.
• D-Link DGS Series (Managed Gigabit): DGS-3630, DGS-3420, and DGS-1510 series with 10G SFP+ uplinks.
• D-Link D-Stack Series: Supporting high-bandwidth stacking over fiber for distributed campus environments.
• D-Link Core Chassis: Suitable for use in 10G line cards for modular chassis systems. Primary Usage Scenarios
2.Cross-Brand Network Devices Compatible With This 10G SFP+ BiDi Transceiver
Beyond D-Link hardware, our SFP+ BiDi transceiver is compatible with mainstream brand devices, it include:
Beyond native D-Link interoperability, this SFP+ BiDi Transceiver maintains cross-brand compatibility with Cisco, Huawei, H3C, Mikrotik, Arista, Dell, Juniper and Extreme Networks equipment for mixed-vendor fiber backbone links.
Primary Application Scenarios
This sfp+ BiDi transceiver must be deployed as a matched pair together with its complementary reverse-wavelength BiDi counterpart, installed separately at the two opposite ends of single-strand fiber patch cords to build valid bidirectional 10G data links. Optimized for save cost and upgrade, the 10g sfp+ bidi transceiver was widely used in the primary application scenarios:
- Enterprise Campus Multi-Building Fiber Upgrade: Mass deployment of DEM-436XT-BXD SFP+ BiDi Transceiver to reuse existing single fiber strands and avoid new cabling construction cost
- Remote Office 10G Backhaul Links: 20km reach SFP+ BiDi Transceiver for branch site connection to central D-Link switch core
- Small & Medium ISP Fiber Access Network: Cost-efficient bulk supply of SFP+ BiDi Transceiver for residential & business broadband 10G FTTR links
- Small Datacenter Inter-Switch Uplinks: High-density simplex LC SFP+ BiDi Transceiver to save limited fiber port resources
- System Integrator Turnkey Network Projects: OEM-branded DEM-436XT-BXD SFP+ BiDi Transceiver bulk delivery for global network importer enterprise projects
Connectivity Solutions(Applications)
Our 10g sfp+bidi transceiver supports three widely adopted enterprise network installation architectures:
1.10G Switch-to-Switch Interconnection Diagram:
Deploy paired matching 10G SFP+ BiDi transceiver units between two enterprise core aggregation switches to build long-distance single-fiber backbone trunk connections.
2.10G Switch-to-NIC Server Uplink Diagram:
Adopt 10g sfp+ BiDi transceiver hardware to link central rack aggregation switches and onsite server NIC hardware for reliable single-fiber 10G uplink data transmission.
3.10G Standardized Structured Cabling Rack Layout Diagram:
Rack-mounted 10g sfp+ bidi module matched with cable management hardware for neat, compliant multi-story building structured wiring deployments.
FAQ for Extreme Compatible BiDi 10G SFP+ Transceiver
Q1: Is this DEM-436XT-BXD compatible SFP+ BiDi Transceiver fully plug-and-play on original D-Link enterprise switches?
A: Yes, our SFP+ BiDi Transceiver completes full end-to-end compatibility testing on all D-Link switches supporting DEM-436XT-BXD, no custom CLI commands or firmware patches required. D-Link hardware automatically identifies the SFP+ BiDi Transceiver as standard 10GBASE-BX optic with complete DOM readout functionality.
Q2: Why does this DEM-436XT-BXD SFP+ BiDi Transceiver need a matching D-series counterpart for single fiber links?
A: This DEM-436XT-BXD SFP+ BiDi Transceiver transmits optical signals at 1330nm and receives 1270nm wavelength; it must pair with DEM-436XT-BXU SFP+ BiDi Transceiver (reverse wavelength scheme 1270nm-TX/1330nm-RX) to achieve bidirectional non-interfering single-strand fiber transmission. We offer special pair discounts for bulk orders of the SFP+ BiDi Transceiver.
Q3: Can I order large quantities of the DEM-436XT-BXD SFP+ BiDi Transceiver with custom OEM branding for my import distribution business?
A: Yes,We support full OEM customization for bulk orders over 200pcs of the SFP+ BiDi Transceiver, including custom part number stickers, private brand logo printing and neutral export packaging for enterprise importers and distributors sourcing a D-Link DEM-436XT-BXD alternative SFP+ BiDi Transceiver.
Q4: Does this commercial grade DEM-436XT-BXD SFP+ BiDi Transceiver support real-time DDM DOM optical diagnostics for network monitoring?
A: All batches of our DEM-436XT-BXD matching SFP+ BiDi Transceiver integrate complete SFF-8472 compliant DOM/DDM monitoring, allowing IT administrators to pull live optical power, operating temperature and voltage metrics directly from D-Link switch management interfaces.
Q5: What fiber cable type delivers full rated 20km transmission for this DEM-436XT-BXD SFP+ BiDi Transceiver simplex LC module?
A: To unlock the full 20km performance of the SFP+ BiDi Transceiver DEM-436XT-BXD, use OS2 G.652D single-mode simplex LC/UPC fiber patch cords. OS1 SMF fiber will limit effective transmission distance to approximately 15km; multimode fiber cannot operate with this SFP+ BiDi Transceiver model.
Q6: What warranty coverage do you provide for wholesale bulk orders of the DEM-436XT-BXD SFP+ BiDi Transceiver?
A: Every D-Link compatible SFP+ BiDi Transceiver DEM-436XT-BXD carries a 5-year factory warranty protected under the Magnuson-Moss Warranty Act; third-party compatible optics will not void your original D-Link switching equipment hardware warranty. We provide complimentary pre-shipment compatibility testing for large-volume SFP+ BiDi Transceiver shipments.
Q7: Is this cost-effective DEM-436XT-BXD SFP+ BiDi Transceiver suitable for large-scale enterprise campus network expansion projects?
A: This SFP+ BiDi Transceiver fully matches all electrical, optical and signaling specifications of OEM D-Link DEM-436XT-BXD transceivers, making it the ideal budget-friendly replacement for mass campus network expansion requiring hundreds of single-fiber SFP+ BiDi Transceiver units.
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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