Allied Telesis AT-SP10BD40/I-12 – 10G BiDi SFP+ 40km Industrial 1270nm TX TAA

Product Overview

The Allied Telesis AT-SP10BD40/I-12 is a TAA-compliant Allied Telesis 10G BiDi 40km industrial SFP+ 1270nm transceiver designed for long-reach single-fiber 10 Gigabit Ethernet links in extreme-environment deployments. Transmitting at 1270nm and receiving at 1330nm over a single LC simplex fiber strand, this 10G BiDi SFP+ 40km single-fiber industrial transceiver doubles the effective capacity of existing fiber infrastructure without laying additional cable. The extended temperature rating of -40°C to 85°C makes it a purpose-built solution for harsh-environment 10G long-haul SFP+ module applications in transportation, utility, and industrial edge networks.

Product Description

The AT-SP10BD40/I-12 is part of the Allied Telesis SP10 Series of industry-standard 10 Gigabit SFP+ modules, built for data center, enterprise, service provider, and industrial transport applications. This BiDi (Bidirectional) transceiver uses WDM (Wavelength Division Multiplexing) technology to transmit and receive 10G data over a single optical fiber strand, using 1270nm as the transmit wavelength and 1330nm as the receive wavelength. To complete a BiDi link pair, this module must be connected to an AT-SP10BD40/I-13 at the far end, which transmits at 1330nm and receives at 1270nm — the two modules are complementary and cannot be used with identical units at both ends. The 40km reach over single-mode fiber supports long-distance campus backbone, metropolitan area network (MAN), and industrial plant interconnects without optical amplification. The industrial-grade extended temperature range of -40°C to 85°C ensures reliable operation in outdoor enclosures, transportation trackside cabinets, and factory environments. The module is hot-swappable and compliant with SFP+ Electrical MSA SFF-8431 and SFF-8472 for digital diagnostics monitoring (DDM), allowing real-time monitoring of optical transmit power, receive power, temperature, and supply voltage. Power consumption is under 1 Watt, keeping thermal budgets low in high-density chassis deployments. RoHS compliance and TAA compliance make this module suitable for environmentally responsible and government procurement programs.

Key Features

• BiDi Single-Fiber Operation — TX at 1270nm / RX at 1330nm; doubles fiber capacity on existing single-mode plant.
• 40km Reach — Long-haul single-mode fiber span without optical amplification for campus and MAN links.
• Extended Temperature: -40°C to 85°C — Industrial-grade rating for outdoor, transportation, and factory deployments.
• TAA Compliant — Satisfies Trade Agreements Act requirements for US federal and government procurement.
• Hot-Swappable — Can be inserted and removed without powering down the host device.
• Digital Diagnostics Monitoring (DDM) — Real-time monitoring of Tx/Rx power, temperature, and voltage per SFF-8472.
• Low Power: <1W — Minimal thermal contribution in high-density SFP+ chassis deployments.
• MSA Compliant (SFF-8431 / SFF-8472) — Interoperable with any SFP+-compatible equipment meeting industry standards.
• LC Simplex Connector — Standard LC interface for use with existing fiber patch panels and cabling.
• RoHS Compliant — Meets environmental substance restrictions for global deployment.

Typical Applications

• Long-haul campus and metropolitan area network backbone links over existing single-mode fiber
• Industrial plant and factory floor fiber interconnects requiring extended temperature tolerance
• Transportation and rail trackside network links in outdoor enclosures
• Utility and energy substation 10G interconnects over single fiber strands
• Government and federal infrastructure projects requiring TAA-compliant 10G optics
• Data center interconnect where fiber strand conservation is a priority

Technical Specifications

Frequently Asked Questions

Q: What module must be used at the far end to create a BiDi link with the AT-SP10BD40/I-12?

The AT-SP10BD40/I-12 must be paired with an AT-SP10BD40/I-13 at the far end. The -12 transmits at 1270nm and receives at 1330nm; the -13 transmits at 1330nm and receives at 1270nm. Using two identical units at both ends will not produce a working link.

Q: How does a BiDi transceiver work?

BiDi (Bidirectional) transceivers use WDM technology to carry transmit and receive signals on different wavelengths over a single fiber strand. This effectively doubles the usable capacity of a fiber plant without deploying additional cable.

Q: What is the maximum operating distance?

The AT-SP10BD40/I-12 supports a reach of up to 40km over single-mode fiber, suitable for long-distance campus backbone and metropolitan area network links.

Q: Is the AT-SP10BD40/I-12 compatible with non-Allied Telesis equipment?

The module complies with SFP+ MSA standards SFF-8431 and SFF-8472, making it interoperable with any SFP+-compatible equipment that meets industry standards.

Q: What is the operating temperature range?

The extended-temperature industrial variant operates from -40°C to 85°C, enabling deployment in outdoor enclosures, trackside cabinets, and factory environments.

Q: Is the AT-SP10BD40/I-12 TAA compliant?

Yes. The module is fully TAA compliant and manufactured in Singapore, meeting US federal government procurement requirements under the Trade Agreements Act.

Q: Does it support Digital Diagnostics Monitoring?

Yes. The module supports DDM per SFF-8472, providing real-time data on transmit power, receive power, temperature, and supply voltage through the host device's management interface.

Q: Where can I purchase the AT-SP10BD40/I-12?

Available from Creation Networks at creationnetworks.net, an authorized Allied Telesis reseller. The complementary AT-SP10BD40/I-13 is also available.