Key Technical Specifications

Every sfp bidi transceiver GLC-BX40-UA is strictly calibrated and fully inspected before delivery. All optical parameters and performance indicators match original Cisco standards for stable daily network operation.

Cisco Compatible	GLC-BX40-UA	Vendor Name	HYTOPTODEVICE
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	TX1310nm/RX1490nm	Max Distance	40km
Connector	Simplex LC	Transmitter Type	1310nm DFB
Cable Type	SMF	Receiver Type	PIN
TX Power	-5.0~0dBm	Receiver Sensitivity	< -24.0dBm
Protocols	SFF-8472 MSA Compliant, IEEE 802.3ah-2004	Operation Temperature	0 to 70°C (32 to 158°F)

Usage Guidelines
 
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/RX1490 BiDi SFP Module requires a counterparty TX1490/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 40km single-fiber links. For lab testing or field deployment under 15km, 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 and Supported Devices

We ensure 100% native compatibility for this Cisco compatible sfp bidi transceiver GLC-BX40-UA. All products are tested on real network devices, and authentic test videos can be provided on request. It works out of the box without extra configuration, error alerts or unstable links.
1.Cisco Compatibility – Supported Models & Series

 Optimized for Cisco IOS and IOS-XE systems, this 40km sfp bidi transceiver is compatible with:

• Cisco Catalyst 2960, 3560, 3750, 3850, 9200, 9300 series switches
• Cisco ISR 1900, 2900, 3900, 4000 series routers
• Cisco ASR 1000, 9000 aggregation switches
• All Cisco gigabit SFP ports and 10G SFP+ ports (configurable for 1G speed)

2.Multi-Brand Cross-Platform Compatibility
Besides Cisco, this universal sfp bidi transceiver runs reliably on mainstream network devices to adapt to multi-brand network environments:

• HPE/Aruba: ProCurve, 2930F, 3810M series switches
• H3C: S5120, S5500, S6800 series switches
• Juniper: EX, QFX, MX series devices
• Alcatel-Lucent: OS6860, OS6900 access switches
• Huawei: S5700, S6700 series (custom compatible firmware available)

Primary Application Scenarios

The cisco compatible sfp bidi module GLC-BX40-UA must be paired with the GLC-BX40-DA.BiDi SFP modules are used in pairs in the below application scenarios, with matching modules of different wavelengths deployed at each end of the link. 

• Enterprise long-distance interconnection: Deploy 40km sfp bidi transceiver for stable links between headquarters and remote branches.
• Campus and cross-building networking: Use single fiber sfp bidi module to save fiber resources for park and campus construction.
• Metropolitan access network deployment: Reliable Cisco compatible sfp bidi transceiver for edge network links.
• Video surveillance transmission: DOM enabled sfp bidi transceiver for steady long-range camera signal delivery.
• Legacy network upgrade: Plug and play sfp bidi for Cisco to expand and update existing network systems.
• Large-scale project supply: Provide bulk sfp bidi transceiver for system integrators and engineering contractors.

Connectivity Solutions(Application)

1.Switch to Switch Link | Paired SFP BiDi Transceiver Interconnection

This 1G sfp bidi transceiver requires two matched modules for single fiber interconnection. Deploy HYTOPTODEVICE GLC-BX40-UA at one end and HYTOPTODEVICE GLC-BX40-DA at the opposite end of the single fiber link. Their complementary 1310nm/1490nm transmit and receive wavelengths work as a full pair to enable bidirectional data transmission over one single-mode fiber, simplifying cabling and delivering stable 40km gigabit connectivity.

2.Link for Switch to Media Converter
Insert the Cisco compatible sfp bidi transceiver into switch SFP port and connect with fiber media converter, realizing 40km long-range network extension. Widely used for remote terminal access and network expansion.
3.Link with Cable Manager & Patch Panel
Match this long range sfp bidi transceiver with patch panels and cable managers to complete standardized cabinet cabling. Neat layout simplifies daily operation and maintenance for enterprise networks.

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: Is HYTOPTODEVICE GLC-BX40-UA fully compatible with original Cisco equipment?

A1: Yes. Our Cisco matched sfp bidi transceiver undergoes full real-device testing on Cisco switches and routers. We offer test videos for verification. It works perfectly with native plug-and-play performance.

Q2: What wavelength and transmission distance does GLC-BX40-UA support?

A2: This long range sfp bidi transceiver features Tx1310nm transmit and Rx1490nm receive wavelength, supporting stable 1G transmission up to 40km over standard single-mode fiber.

Q3: Does GLC-BX40-UA support DOM/DDM monitoring function?

A3: Definitely yes. This monitoring-capable sfp bidi transceiver complies with SFF-8472 standard, allowing you to check real-time optical power, temperature and voltage via device system.

Q4: Why cannot the BiDi module establish normal optical link after installation?

A4: Link failure is mainly caused by incorrect wavelength pairing. This upstream single fiber sfp bidi transceiver must be paired with a reverse wavelength module on the opposite end. HYTOPTODEVICE provides free professional pairing guidance.

Q5: Will using third-party GLC-BX40-UA void Cisco device warranty?

A5: No. According to international warranty rules, OEMs cannot void warranty for using qualified replacement sfp bidi transceiver. Our products fully match original specifications to protect your device warranty.

Q6: Can this 1G sfp bidi module run on Cisco 10G SFP+ ports?

A6: This multi-rate compatible sfp bidi transceiver works on Cisco 10G SFP+ composite ports after simple CLI speed adjustment. All units pass related compatibility tests for stable operation.

Q7: Which fiber cable is suitable for GLC-BX40-UA BiDi module?

A7: This module only works with simplex LC sfp bidi matched single-strand fiber cords. Traditional duplex cables cannot establish valid connections.

Q8: How to solve packet loss for short-distance rack cabling?

A8: Packet loss within 10 meters is caused by excessive laser power. We suggest using a professional optical attenuator to optimize signal strength and keep your standard sfp bidi transceiver running steadily.

Q9: What is the overall stability and service life of HYTOPTODEVICE sfp bidi modules?

A9: Our high stability sfp bidi transceiver adopts premium optical components, with MTBF over 1,000,000 hours. Strict factory testing ensures long-term continuous operation for enterprise networks.

Q10: How to get bulk pricing and OEM service for GLC-BX40-UA?

A10: HYTOPTODEVICE supplies wholesale sfp bidi transceiver worldwide. We provide tiered bulk discounts, OEM customization, private labeling and fast global delivery for distributors and project buyers. Contact us for a customized quote.                 

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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