Key Technical Specifications

MikroTik Compatible	S-35LC20D	Vendor Name	HYTOPTODEVICE
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	TX1310nm/RX1550nm	Max Distance	20km
Connector	Simplex LC	Transmitter Type	1310nm FP
Cable Type	SMF	Receiver Type	PIN
TX Power	-9.0~-3dBm	Receiver Sensitivity	< -23.0dBm
Protocols	SFF-8472 MSA Compliant, IEEE 802.3ah-2004	Operation Temperature	0 to 70°C (32 to 158°F)

Usage Guidelines & Operational Best Practices

Follow standardized operation rules to extend service life and maintain steady link performance of your BiDi SFP Transceiver:

1. Complementary Pairing Requirement Bidirectional transceivers must be deployed in matched wavelength pairs. This TX1310/RX1550 BiDi SFP Module requires a counterparty TX1550/RX1310 transceiver at the opposite fiber end; mismatched wavelength pairs cannot establish valid fiber links.
2. Fiber Type Restriction Only use standard 9/125μm single mode fiber (SMF) with LC/UPC patch cords. This transceiver cannot operate normally on multi-mode fiber (MMF), which triggers severe attenuation and persistent random bit errors.
3. Distance & Attenuation Control Optimized for stable 20km single-fiber links. For lab testing or field deployment under 5km, an external optical attenuator is mandatory to prevent receiver overpowering, signal saturation and permanent internal optical chip damage.
4. Optical Port Dust Protection LC optical ports and fiber end faces are highly sensitive to dust and fingerprint contamination. Always reinstall protective dust caps on idle module ports and unused fiber connectors after disconnection.
5. Hot-Plugging Operation Guidance This MSA-compliant BiDi SFP Transceiver supports safe hot swap. Leave several seconds between removal and reinsertion to let Cisco IOS complete full hardware recognition and avoid unexpected link flapping.

Full Compatibility List & Supported Devices

1. Professional MikroTik Brand Compatibility Description

HYTOPTODEVICE MikroTik compatible bidirectional sfp transceivers is fully adapted to MikroTik proprietary device protocols, port identification rules and transmission parameters. Every S-35LC20D module completes offline parameter calibration and real MikroTik device online operation testing, achieving 100% native plug-and-play compatibility. No manual configuration, no device recognition failure, no port error alarm, no speed limit or packet loss. It is the most cost-effective replacement solution for original MikroTik bidirectional sfp transceivers, suitable for new network construction and old equipment upgrading.

Full Compatible MikroTik Device Model List

- MikroTik RouterBOARD Series: RB2011LS, RB2011UAS, RB260GS, RB3011, RB4011 enterprise routers

- MikroTik Cloud Core Router Series: CCR1009, CCR1016, CCR1036, CCR1072 core routing devices

- MikroTik Switch Series: CRS112, CRS125, CRS210, CRS317, CRS328 smart network switches

- MikroTik Wireless & Gateway Devices: Enterprise-level wireless gateway and fiber access devices

2. Multi-Brand Universal Compatibility Performance

In addition to professional MikroTik device compatibility, HYTOPTODEVICE universal bidirectional sfp transceivers supports mainstream network hardware brands including Brocade, Juniper, Cisco, HPE, Ubiquiti and Zyxel. Complete protocol adaptation and driver matching ensure stable and error-free operation in mixed-brand network environments. We provide official real-device test videos for pre-purchase verification to help customers avoid project compatibility risks.

Core Application Scenarios

1.Enterprise Campus & Office Park Fiber Networking

This single fiber bidirectional sfp transceivers realizes bidirectional data transmission through a single strand of single-mode fiber, greatly saving fiber cabling costs. It is widely used for stable long-distance point-to-point link construction in enterprise campuses, office parks and industrial parks.

2.Network Renovation & Outdoor Long-Distance Link Projects

Ideal for community network transformation, outdoor monitoring signal transmission and cross-building network engineering projects. The 20km stable transmission capability of HYTOPTODEVICE bidirectional sfp transceivers fully meets the deployment standards of large-scale commercial network projects.

3.Headquarters & Remote Branch Network Interconnection

Deploy HYTOPTODEVICE S-35LC20D bidirectional sfp transceivers to build low-cost, high-reliability long-distance fiber links between enterprise headquarters and remote branches, ensuring unified, secure and continuous network operation.

4.Global Wholesale & Reseller Distribution Business

HYTOPTODEVICE maintains sufficient spot inventory ofbulk bidirectional sfp transceivers with flexible MOQ policies, supporting small-batch retail and regional exclusive distribution, helping global resellers expand local network accessory market share.

Connectivity Solutions(Application)

1.Switch to Switch Point-to-Point Connection
Adopt paired bidirectional sfp modules to implement long-distance interconnection between two MikroTik or multi-brand enterprise switches, widely used in intra-building network expansion.

2.Switch to Media Converter Network Extension

Connect MikroTik switches with fiber media converters via HYTOPTODEVICE bidirectional sfp transceiver to extend network coverage, suitable for optical-electrical hybrid network upgrading.

Core Product Features

1.Boost Existing Fiber Utilization Using BiDi SFP
Standard dual-fiber optics rely on two cores for two-way communication. Our BiDi SFP leverages WDM tech to achieve bidirectional transmission over a single fiber. It optimizes idle fiber resource utilization, raises fiber operational efficiency, and avoids extra cable deployment during network expansion.

2. Double Your Network Capacity

Powered by single-strand bidirectional transmission technology, our premium BiDi SFP Module instantly doubles your network link capacity with no extra fiber cabling required.
Delivering a budget-friendly, high-performance bandwidth expansion solution, it perfectly caters to enterprise network upgrades and FTTx access network optimization projects.

3. Stable 1G Connectivity for High-Availability Data Centers

Even as data centers roll out 100G/400G networks, reliable 1G base infrastructure keeps daily operations running smoothly. Our enterprise 1G BiDi SFP modules deliver consistent low-latency performance. Ideal for OOB management and real-time monitoring, they maintain stable control channels fully separated from fluctuating production traffic.

4. Rigorous Host Device Testing for Full Cross-Brand Interoperability

Each BiDi SFP transceiver undergoes full interoperability testing on Cisco, Huawei, H3C and mainstream network equipment. Real-environment checks cover link handshake, DDM data accuracy and hot-swap performance to deliver flawless compatibility and avoid on-site deployment failures.

5.Comprehensive Factory Testing Delivers Consistent Stable Performance

Each BiDi SFP Module pass complete factory performance tests covering optical indicators, DDM monitoring and temperature adaptability. Layered quality checks guarantee reliable, stable long-run operation and reduce on-site troubleshooting costs.

FAQ

Q1: What are MikroTik compatible bidirectional sfp transceivers used for?

A: HYTOPTODEVICE MikroTik compatible bidirectional sfp transceivers are professional single-fiber WDM optical modules designed for MikroTik network devices, providing stable 1G 20km long-distance fiber transmission for enterprise campus networking and network renovation projects.

Q2: What wavelength configuration does HYTOPTODEVICE S-35LC20D bidirectional sfp transceivers use?

A: HYTOPTODEVICE S-35LC20D premium-grade bidirectional sfp transceivers adopt standard TX1310nm/RX1550nm wavelength configuration, fully consistent with original MikroTik module parameters to ensure perfect device adaptation.

Q3: Are HYTOPTODEVICE 1G 20km bidirectional sfp transceivers plug and play for MikroTik?

A: Yes, HYTOPTODEVICE 1G 20km bidirectional sfp transceivers have passed strict real-device testing on MikroTik equipment, supporting true plug-and-play operation without manual configuration, port errors or packet loss.

Q4: Which matching module pairs with S-35LC20D bidirectional sfp transceivers?

A: HYTOPTODEVICE S-35LC20D bidirectional sfp transceivers need to pair with TX1550nm/RX1310nm reverse wavelength bidirectional module to complete single-fiber two-way transmission, and we provide pre-matched module sets for one-stop procurement.

Q5: Can premium grade bidirectional sfp transceivers support 7*24h continuous operation?

A: Yes, HYTOPTODEVICE premium grade bidirectional sfp transceivers feature low power consumption and strong anti-interference performance, supporting stable 7×24-hour uninterrupted operation for enterprise MikroTik network systems.

Q6: Does HYTOPTODEVICE offer bulk discount for bidirectional sfp transceivers orders?

A: HYTOPTODEVICE provides tiered preferential pricing for bulk bidirectional sfp transceivers orders, with sufficient annual inventory to support large-scale, long-term project delivery for global network engineering teams.

Q7: Can I get OEM private label service for MikroTik bidirectional sfp transceivers?

A: HYTOPTODEVICE supports full OEM customization for MikroTik bidirectional sfp transceivers, including custom logo printing, private labeling, neutral packaging and parameter fine-tuning to help global distributors build independent brand advantages.

Q8: What fiber type matches HYTOPTODEVICE S-35LC20D bidirectional sfp transceivers?

A: HYTOPTODEVICE S-35LC20D bidirectional sfp transceivers are exclusively designed for single-mode fiber (SMF), which guarantees 20km stable transmission; multi-mode fiber will cause serious signal attenuation and packet loss.

Q9: Do universal bidirectional sfp transceivers work for mixed-brand network environments?

A: HYTOPTODEVICE universal bidirectional sfp transceivers have passed compatibility tests on MikroTik, Cisco, HPE, Brocade and other mainstream devices, maintaining stable plug-and-play performance in multi-brand mixed network architectures.

Q10: Can HYTOPTODEVICE provide real-device test videos for bidirectional sfp transceivers verification?

A: Yes, HYTOPTODEVICE provides official real-device test videos for all bidirectional sfp transceivers products, and supports customized shooting according to customers’ specific MikroTik device models to eliminate pre-purchase compatibility risks.

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.

• 100% hardware-tested compatibility with Cisco, Huawei,Dell,Juniper, and Arista
• ISO 9001:2015 certified manufacturing facility in Shenzhen
• Full product range coverage:1.25G/10G/25G/40G/100G/200G/400G/800G/1.6T
• In-stock supply & fast global shipping, average lead time of 3–5 business days with DHL/FedEx express options
• Dedicated pre-sales engineering support for custom configurations
• Actual hardware,actual switches,actual results.we publish compatibility test video,eliminate compatibility anxiety. you can watch before you buy. 
• We can provide inspection and shipping videos to make you feel as if you are right here with the product.
• Private Label support - EEPROM / firmware customization support

“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:

• ISO 9001: Certified quality management and production consistency.

• CE & FCC: Fully compliant for seamless Global Market Access.

• RoHS: Committed to environmental responsibility and hazardous material control.

• 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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