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Fiber Optic Transceiver Single-Mode Single-Fiber Gigabit

Fiber and communications infrastructure knowledge brief Published 26 Dec 2025

Use this reference to prepare product questions for BAGYOU FIBRE. Check interfaces, capacity, protection and installation requirements against the current product documentation.

Single-mode, single-fiber gigabit SFP transceivers provide high-speed, long-distance optical connectivity using a single strand of fiber, ideal for enterprise, telecom, and industrial networks. OverviewSingle-mode, single-fiber SFP transceivers are designed to transmit and receive data over one strand of single-mode fiber (SMF) by using different wavelengths for upstream and downstream signals. They support Gigabit Ethernet speeds (1 Gbps) and are widely compatible with networking devices from Cisco, Antaira, Intellinet, and other MSA-compliant hardware.

These modules are hot-pluggable, allowing installation or replacement without powering down the network equipment.

Key Specifications

Wavelength: Typically 1310nm for medium distances (up to 10–40 km) and 1550nm for long distances (up to 180 km) depending on the model. Connector Types: LC Duplex for standard dual-fiber setups or LC Simplex for bidirectional (BiDi) single-fiber operation. Transmission Distance: Ranges from 10 km to 180 km, with 10–40 km common for 1310nm and 80–180 km for 1550nm models.

Power Supply: Operates on +3. 3V, with industrial temperature models supporting -40°C to 85°C for harsh environments. Monitoring: Some modules support Digital Optical Monitoring (DOM) to track optical power, temperature, and voltage in real time.

AdvantagesLong-Distance Connectivity: Ideal for connecting remote switches, routers, or servers across large campuses or telecom networks.

Cost-

Effective Fiber Usage: BiDi models allow bidirectional communication over a single fiber, reducing cabling costs. High Reliability: Metal housing and robust design ensure durability and EMI protection, suitable for industrial applications. Ease of Integration: Compatible with major networking brands and MSA-compliant devices, ensuring plug-and-play functionality.

Use Cases

Enterprise Networks: Linking data centers or campus buildings over long distances. Telecom Infrastructure: FTTx deployments and metro networks using single-fiber connections. Industrial Applications: Harsh environments requiring extended temperature ranges and reliable uptime.

Example Models

Cisco GLC-BX40-D-I / GLC-BX40-U-I: Single-fiber, single-mode SFPs with up to 40 km range.

HM

S GSFIBER-SFP-10K: 1310nm, 10 km single-mode SFP for Gigabit Ethernet. Antaira SFP-S10: 1310nm, 10 km single-mode, industrial-grade SFP with extended temperature support.

Intellinet SF

P Modules: MSA-compliant, compatible with Cisco gear, compact metal housing for EMI protection. These transceivers are ideal for network upgrades, expansions, and high-speed communication where long-distance, reliable, and cost-effective fiber connectivity is required.

Fiber Optic Transceiver Single-Mode Single-Fiber Gigabit - BAGYOU FIBRE NETWORKS [PDF]

Fiber Optic Transceiver Single-Mode Single-Fiber Gigabit

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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