• hytoptodevice cisco compatible glc-bx40-u-i bidirectional sfp module
  •  cisco compatible glc-bx40-u-i bidi sfp module
  • 40km long reach gigabit BiDi SFP transceiver glc-bx40-u-i  from HYTOPTODEVICE
  • Hot-swappable-1G BiDi-SFP-optic-GLC-BX40-U-I-for-Cisco-switches- routers
  • hytoptodevice cisco compatible glc-bx40-u-i bidirectional sfp module
  •  cisco compatible glc-bx40-u-i bidi sfp module
  • 40km long reach gigabit BiDi SFP transceiver glc-bx40-u-i  from HYTOPTODEVICE
  • Hot-swappable-1G BiDi-SFP-optic-GLC-BX40-U-I-for-Cisco-switches- routers

Cisco Compatible GLC-BX40-U-I | 1G Bidirectional SFP Module 40km 1310/1550nm, industrial temp | HYTOPTODEVICE

A long-reach 1.25G industrial bidirectional sfp module for single-mode fiber  with Tx1310Rx1550nm wavelength over LC simplex connector, links up to 40km. Built to operate seamlessly under harsh conditions, it support DDM. Drop-in replacement for Cisco GLC-BX40-U-I at below 70-90% OEM price.Bulk wholesale & OEM EEPROM customization available for global importers & distributors.
NO. Brand  Compatible P/N Remarks
1 Cisco GLC-BX40-UA -
2 Alcatel-Lucent  SFP-GIG-BX-U40
3 Brocade E1MG-1G-BXUA-40
4 Juniper Networks  SFP-GE40KT13R14
5 Huawei LE2MGSC40DE0
6 Cisco GLC-BX40-U-I
7 Brocade E1MG-1G-BXU-40
8 Juniper Networks  SFP-GE40KT13R15
Description
Industrial Bidirectional SFP Module Cisco Compatible GLC-BX40-U-I 40km(SMF, 1310nm-TX/1550nm-RX, Simplex LC, DOM)
Product Overview of Industrial Temperature Bidirectional SFP Module
This 40km bidirectional sfp module matches Cisco GLC-BX40-U-I original specs, operating at Tx1310nm / Rx1550nm via LC simplex connector OS2 single fiber. As industrial wide-temperature bidirectional sfp module, it supports -40℃ to 85℃ working range with full DDM real-time monitoring.ideal for outdoor industrial sites, campus backbone and FTTH broadband project.
SFP MSA, SFF-8472, IEEE 802.3ah, RoHS, CE, FCC compliant without extra configuration commands, the single fiber bidirectional sfp module must be paired with its with its complementary downstream module (GLC-BX40-D-I) for proper bidirectional operation.

Key Technical Specifications of Cisco 40km SFP Bidirectional
Below are full electrical, optical and mechanical parameters of our 40km industrial bidirectional sfp module compatible with Cisco GLC-BX40-U-I (Tx1310 Rx1550).At HYTOPTODEVICE,every module undergoes strict optical testing and DDM calibration, and formal optical performance test reports can be provided anytime if required.

Cisco Compatible

GLC-BX40-U-I

Vendor Name HYTOPTODEVICE
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength TX1310nm/RX1550nm Max Distance 40km 
Connector Simplex LC Transmitter Type 1310nm DFB
Cable Type SMF Receiver Type PIN
TX Power -5.0~0dBm Receiver Sensitivity < -23.0dBm
Protocols SFF-8472 MSA Compliant, IEEE 802.3ah-2004 Operation Temperature -40 to 85°C (-40 to 185°F)


Full Compatibility List and Supported Devices for third party Bidi sfp module
HYTOPTODEVICE owns a professional compatibility test lab covering over 150 mainstream network brands devices. Each industrial bidirectional sfp module undergoes real-machine upper machine testing on Cisco,Alcatel-Lucent, Huawei,Juniper, Mikrotik, Aruba, D-Link and other enterprise & industrial switches.Unlike generic untested bidirectional sfp module that causes link down or identification failure, our pre-verified bidirectional sfp module maintains stable single-fiber bidirectional transmission across mixed-brand network environments.
1.Cisco Compatibility-Supported Models
  • Cisco Catalyst Switches: Catalyst 2960, 2960-X, 2960-XR, 3560, 3560-X, 3650, 3750, 3750-X, 3850, 4500, 4500-X, 6500, 6800, 9200, 9300, and 9500 Series.

  • Cisco Industrial Ethernet (IE) Switches: IE-2000, IE-3000, IE-4000, IE-4010, and IE-5000 Series (highly recommended due to matching industrial temperature ratings).

  • Cisco Routers: ISR 4000 Series (4321, 4331, 4431, 4451), ISR 1000 Series, ASR 9000 Series, ASR 1000 Series.

  • Cisco Nexus Data Center Switches: Nexus 3000, Nexus 5000, and Nexus 9000 Series (1G/10G mixed ports).

  • Cisco Firewalls: ASA 5500-X Series, Firepower 2100, 4100 Series.

2.150+ Mainstream Multi-Brand Compatibility
 
This  plug and play bidirectional sfp module no unsupported log features excellent cross-brand interoperability. It maintains consistent performance in multi-vendor network environments, well suited for system integrators and bulk purchasers. fully compatible with mainstream network devices such as Brocade,Juniper Networks,H3C,Dell,HPE ......

Primary Application Scenarios of Cisco compatible SFP BiDi Module
The wide temperature bidirectional sfp module -40 to 85°C must be paired with its complementary downstream module (GLC-BX40-D-I) in the below application scenarios:

  • Single fiber bidirectional sfp module for campus backbone long-distance point-to-point interconnection, saving half fiber resources for enterprise campus network upgrade.
  • Wide temperature bidirectional sfp module -40 to 85°C for outdoor industrial monitoring, smart factory control cabinets and traffic signal transmission without temperature shutdown.
  • 1G simplex LC bidirectional sfp module with DDM for FTTH & FTTB broadband access, convenient real-time link status monitoring for ISP operators.
  • Pre-tested Tx1310 Rx1550 bidirectional sfp module with optical test data on demand for security IP camera long-range fiber links, stable 40km transmission for park, factory and urban surveillance systems.
  • Bulk wholesale bidirectional sfp module for enterprise branch office interconnection, cost-saving single-fiber gigabit links for multi-branch enterprise networking. 

Connectivity Solutions(Application) 
 Our Tx1310 Rx1550 bidirectional sfp module supports three mainstream network connection architectures, reference the 3 attached schematic diagrams:
1.Switch to Switch Interconnect:
 Deploy paired bidirectional sfp module between two core switches for single-fiber backbone transmission.

2.Switch to Media Converter Link:
 Use industrial bidirectional sfp module to connect central office switch and field-side media converter for remote industrial equipment access.

3.Link with Cable Manager & Patch Panel
 Rack deployment bidirectional sfp module matching cable manager for neat, standardized data center cabling layout.

FAQ For HYTOPTODEVICE SFP BiDi Module

Q1: Is this 40km industrial Tx1310 Rx1550 bidirectional sfp module plug and play on all Cisco Catalyst switches?

A: Yes. HYTOPTODEVICE bidirectional sfp module is preloaded with Cisco-matched EEPROM data, tested on real Catalyst hardware, no unsupported transceiver warning logs appear during deployment.

Q2: What fiber cable matches the Tx1310 Rx1550 bidirectional sfp module for stable 40km transmission?

A: This bidirectional sfp module requires OS2 single-mode simplex fiber; users must pair with reverse Tx1550/Rx1310 bidirectional sfp module on the opposite end to build valid single-fiber links.

Q3: Does this simplex LC bidirectional sfp module with DDM support full optical parameter reading via switch CLI?

A: All HYTOPTODEVICE bidirectional sfp module enables complete DDM monitoring. Engineers can check Tx/Rx power, temperature and voltage through Cisco IOS or third-party switch command lines for rapid fault diagnosis.

Q4: Can wide temperature bidirectional sfp module -40 to 85°C operate stably in unheated outdoor industrial cabinets?

A:Yes, Our industrial-grade bidirectional sfp module passes low & high temperature aging tests, maintaining steady gigabit links all year round in harsh outdoor equipment rooms without thermal protection shutdown.

Q5: Will third party bidirectional sfp module compatible with Cisco Catalyst trigger Cisco TAC error logs?

A: HYTOPTODEVICE optimizes EEPROM programming to fully comply with Cisco standards. Compared with generic third-party transceivers, our bidirectional sfp module generates almost no redundant alarm logs, no extra bypass command configuration required.

Q6: Can I get real-device test videos of pre-tested bidirectional sfp module for multi-brand switches before bulk order?

A: Yes. HYTOPTODEVICE provides authentic upper-machine test videos covering over 150 mainstream brand devices for all bidirectional sfp module models. Contact our sales team to obtain verification materials freely.

Q7: Can I obtain complete optical performance test data of bidirectional sfp module before placing mass orders?

A: Absolutely. All batches of HYTOPTODEVICE bidirectional sfp module have complete optical test records, and we can supply full optical performance test data at any time upon your request for quality audit.

Q8: What is the lead time for bulk wholesale bidirectional sfp module large quantity orders?

A: HYTOPTODEVICE self-supply optical components materia. and  maintains sufficient inventory of 40km industrial Tx1310 Rx1550 bidirectional sfp module. Standard bulk orders can be delivered globally within 3–5 working days, with dedicated after-sales technical support throughout the cooperation cycle.

Q9: Can single fiber bidirectional sfp module for campus backbone replace original Cisco GLC-BX40-U-I to cut procurement cost?

A: Absolutely. Our Tx1310 Rx1550 bidirectional sfp module achieves identical optical performance to original Cisco parts at a more competitive price, perfectly satisfying large-scale campus network backbone upgrade projects.

Q10: Are there any matching accessories recommended when deploying bidirectional sfp module for industrial outdoor monitoring?

A: We support one-stop supply of matched simplex LC patch cords, fiber cleaning tools and fiber adapters, which coordinate with our wide-temperature bidirectional sfp module to reduce on-site deployment failure risks for outdoor monitoring networks

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

Others

 



 

  • hytoptodevice cisco compatible glc-bx40-u-i bidirectional sfp module
  •  cisco compatible glc-bx40-u-i bidi sfp module
  • 40km long reach gigabit BiDi SFP transceiver glc-bx40-u-i  from HYTOPTODEVICE
  • Hot-swappable-1G BiDi-SFP-optic-GLC-BX40-U-I-for-Cisco-switches- routers

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